Changes in CLI and glusterd

Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 971 (dynamic volume management)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971

16 files changed, 1297 insertions, 423 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-ha.c b/xlators/mgmt/glusterd/src/glusterd-ha.c
index 1c049e5f7..26de16b3a 100644
--- a/xlators/mgmt/glusterd/src/glusterd-ha.c
+++ b/xlators/mgmt/glusterd/src/glusterd-ha.c
@@ -59,7 +59,7 @@ glusterd_ha_create_volume (glusterd_volinfo_t *volinfo)
         int     fd = -1;
 
         GF_ASSERT (volinfo);
-        snprintf (pathname, 1024, "%s/vols/%s", GLUSTERD_DEFAULT_WORKDIR, 
+        snprintf (pathname, 1024, "%s/vols/%s", GLUSTERD_DEFAULT_WORKDIR,
                   volinfo->volname);
 
         ret = mkdir (pathname, 0x777);
@@ -72,7 +72,7 @@ glusterd_ha_create_volume (glusterd_volinfo_t *volinfo)
 
         snprintf (filepath, 1024, "%s/info", pathname);
 
-        fd = open (filepath, O_RDWR | O_CREAT | O_APPEND, 0644); 
+        fd = open (filepath, O_RDWR | O_CREAT | O_APPEND, 0644);
 
         if (-1 == fd) {
                 gf_log ("", GF_LOG_ERROR, "open() failed on path %s,"
@@ -99,7 +99,7 @@ out:
         return ret;
 }
 
-        
+
 int32_t
 glusterd_ha_delete_volume (glusterd_volinfo_t *volinfo)
 {
@@ -108,7 +108,7 @@ glusterd_ha_delete_volume (glusterd_volinfo_t *volinfo)
         char    filepath[PATH_MAX] = {0,};
 
         GF_ASSERT (volinfo);
-        snprintf (pathname, 1024, "%s/vols/%s", GLUSTERD_DEFAULT_WORKDIR, 
+        snprintf (pathname, 1024, "%s/vols/%s", GLUSTERD_DEFAULT_WORKDIR,
                   volinfo->volname);
 
         snprintf (filepath, 1024, "%s/info", pathname);
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index 00067a566..f769693ad 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -44,6 +44,7 @@
 #include "gd-xdr.h"
 #include "cli-xdr.h"
 #include "rpc-clnt.h"
+#include "gluster1.h"
 
 #include <sys/resource.h>
 #include <inttypes.h>
@@ -61,7 +62,7 @@
 
 
 static int
-glusterd_friend_find_by_hostname (const char *hoststr, 
+glusterd_friend_find_by_hostname (const char *hoststr,
                                   glusterd_peerinfo_t  **peerinfo)
 {
         int                     ret = -1;
@@ -79,7 +80,7 @@ glusterd_friend_find_by_hostname (const char *hoststr,
         list_for_each_entry (entry, &priv->peers, uuid_list) {
                 if (entry->hostname && (!strncmp (entry->hostname, hoststr,
                                         sizeof (entry->hostname)))) {
-                        
+
                         gf_log ("glusterd", GF_LOG_NORMAL,
                                  "Friend %s found.. state: %d", hoststr,
                                   entry->state.state);
@@ -92,7 +93,7 @@ glusterd_friend_find_by_hostname (const char *hoststr,
 }
 
 static int
-glusterd_friend_find_by_uuid (uuid_t uuid, 
+glusterd_friend_find_by_uuid (uuid_t uuid,
                               glusterd_peerinfo_t  **peerinfo)
 {
         int                     ret = -1;
@@ -108,7 +109,7 @@ glusterd_friend_find_by_uuid (uuid_t uuid,
 
         list_for_each_entry (entry, &priv->peers, uuid_list) {
                 if (!uuid_compare (entry->uuid, uuid)) {
-                        
+
                         gf_log ("glusterd", GF_LOG_NORMAL,
                                  "Friend found.. state: %d",
                                   entry->state.state);
@@ -132,12 +133,12 @@ glusterd_handle_friend_req (rpcsvc_request_t *req, uuid_t  uuid, char *hostname)
         ret = glusterd_friend_find (uuid, hostname, &peerinfo);
 
         if (ret) {
-                gf_log ("glusterd", GF_LOG_NORMAL, 
+                gf_log ("glusterd", GF_LOG_NORMAL,
                          "Unable to find peer");
 
         }
 
-        ret = glusterd_friend_sm_new_event 
+        ret = glusterd_friend_sm_new_event
                         (GD_FRIEND_EVENT_RCVD_FRIEND_REQ, &event);
 
         if (ret) {
@@ -169,7 +170,7 @@ glusterd_handle_friend_req (rpcsvc_request_t *req, uuid_t  uuid, char *hostname)
                         "ret = %d", event->event, ret);
                 goto out;
         }
-       
+
         ret = 0;
 
 out:
@@ -184,11 +185,101 @@ out:
 }
 
 
+static int
+glusterd_handle_unfriend_req (rpcsvc_request_t *req, uuid_t  uuid, char *hostname)
+{
+        int                             ret = -1;
+        glusterd_peerinfo_t             *peerinfo = NULL;
+        glusterd_friend_sm_event_t      *event = NULL;
+        glusterd_friend_req_ctx_t       *ctx = NULL;
+
+        ret = glusterd_friend_find (uuid, hostname, &peerinfo);
+
+        if (ret) {
+                gf_log ("glusterd", GF_LOG_NORMAL,
+                         "Unable to find peer");
 
+        }
+
+        ret = glusterd_friend_sm_new_event
+                        (GD_FRIEND_EVENT_REMOVE_FRIEND, &event);
 
+        if (ret) {
+                gf_log ("", GF_LOG_ERROR, "event generation failed: %d", ret);
+                return ret;
+        }
+
+        event->peerinfo = peerinfo;
+
+        ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_friend_req_ctx_t);
+
+        if (!ctx) {
+                gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
+                ret = -1;
+                goto out;
+        }
+
+        uuid_copy (ctx->uuid, uuid);
+        if (hostname)
+                ctx->hostname = gf_strdup (hostname);
+        ctx->req = req;
+
+        event->ctx = ctx;
+
+        ret = glusterd_friend_sm_inject_event (event);
+
+        if (ret) {
+                gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject event %d, "
+                        "ret = %d", event->event, ret);
+                goto out;
+        }
+
+        ret = 0;
+
+out:
+        if (0 != ret) {
+                if (ctx && ctx->hostname)
+                        GF_FREE (ctx->hostname);
+                if (ctx)
+                        GF_FREE (ctx);
+        }
+
+        return ret;
+}
+
+static int
+glusterd_add_peer_detail_to_dict (glusterd_peerinfo_t   *peerinfo,
+                                  dict_t  *friends, int   count)
+{
+
+        int             ret = -1;
+        char            key[256] = {0, };
+
+        GF_ASSERT (peerinfo);
+        GF_ASSERT (friends);
+
+        snprintf (key, 256, "friend%d.uuid", count);
+        uuid_unparse (peerinfo->uuid, peerinfo->uuid_str);
+        ret = dict_set_str (friends, key, peerinfo->uuid_str);
+        if (ret)
+                goto out;
+
+        snprintf (key, 256, "friend%d.hostname", count);
+        ret = dict_set_str (friends, key, peerinfo->hostname);
+        if (ret)
+                goto out;
+
+        snprintf (key, 256, "friend%d.state", count);
+        ret = dict_set_int32 (friends, key, (int32_t)peerinfo->state.state);
+        if (ret)
+                goto out;
+
+out:
+        return ret;
+}
 
 int
-glusterd_friend_find (uuid_t uuid, char *hostname, 
+glusterd_friend_find (uuid_t uuid, char *hostname,
                       glusterd_peerinfo_t **peerinfo)
 {
         int     ret = -1;
@@ -197,7 +288,7 @@ glusterd_friend_find (uuid_t uuid, char *hostname,
                 ret = glusterd_friend_find_by_uuid (uuid, peerinfo);
 
                 if (ret) {
-                        gf_log ("glusterd", GF_LOG_NORMAL, 
+                        gf_log ("glusterd", GF_LOG_NORMAL,
                                  "Unable to find peer by uuid");
                 } else {
                         goto out;
@@ -238,7 +329,7 @@ glusterd_handle_cluster_lock (rpcsvc_request_t *req)
         }
         uuid_unparse (lock_req.uuid, str);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Received LOCK from uuid: %s", str);
 
         ret = glusterd_op_sm_new_event (GD_OP_EVENT_LOCK, &event);
@@ -247,7 +338,7 @@ glusterd_handle_cluster_lock (rpcsvc_request_t *req)
                 //respond back here
                 return ret;
         }
-                
+
         ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_stage_ctx_t);
 
         if (!ctx) {
@@ -274,11 +365,11 @@ glusterd_handle_stage_op (rpcsvc_request_t *req)
         char                            str[50];
         gd1_mgmt_stage_op_req           *stage_req = NULL;
         glusterd_op_sm_event_t          *event = NULL;
-        glusterd_op_stage_ctx_t         *ctx = NULL; 
+        glusterd_op_stage_ctx_t         *ctx = NULL;
 
         GF_ASSERT (req);
 
-        stage_req = GF_CALLOC (1, sizeof (*stage_req), 
+        stage_req = GF_CALLOC (1, sizeof (*stage_req),
                                gf_gld_mt_mop_stage_req_t);
 
         GF_ASSERT (stage_req);
@@ -290,7 +381,7 @@ glusterd_handle_stage_op (rpcsvc_request_t *req)
         }
 
         uuid_unparse (stage_req->uuid, str);
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Received stage op from uuid: %s", str);
 
         ret = glusterd_op_sm_new_event (GD_OP_EVENT_STAGE_OP, &event);
@@ -299,7 +390,7 @@ glusterd_handle_stage_op (rpcsvc_request_t *req)
                 //respond back here
                 return ret;
         }
-                
+
         ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_stage_ctx_t);
 
         if (!ctx) {
@@ -314,7 +405,7 @@ glusterd_handle_stage_op (rpcsvc_request_t *req)
 
         ret = glusterd_op_sm_inject_event (event);
 
-out:        
+out:
         return ret;
 }
 
@@ -325,7 +416,7 @@ glusterd_handle_commit_op (rpcsvc_request_t *req)
         char                            str[50];
         glusterd_op_sm_event_t          *event = NULL;
         gd1_mgmt_commit_op_req          commit_req = {{0},};
-        glusterd_op_commit_ctx_t        *ctx = NULL; 
+        glusterd_op_commit_ctx_t        *ctx = NULL;
 
         GF_ASSERT (req);
 
@@ -337,7 +428,7 @@ glusterd_handle_commit_op (rpcsvc_request_t *req)
 
         uuid_unparse (commit_req.uuid, str);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Received commit op from uuid: %s", str);
 
         ret = glusterd_op_sm_new_event (GD_OP_EVENT_COMMIT_OP, &event);
@@ -346,7 +437,7 @@ glusterd_handle_commit_op (rpcsvc_request_t *req)
                 //respond back here
                 return ret;
         }
-                
+
         ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_commit_ctx_t);
 
         if (!ctx) {
@@ -389,6 +480,67 @@ out:
 }
 
 int
+glusterd_handle_cli_deprobe (rpcsvc_request_t *req)
+{
+        int32_t                         ret = -1;
+        gf1_cli_probe_req               cli_req = {0,};
+
+        GF_ASSERT (req);
+
+        if (!gf_xdr_to_cli_probe_req (req->msg[0], &cli_req)) {
+                //failed to decode msg;
+                req->rpc_err = GARBAGE_ARGS;
+                goto out;
+        }
+
+        gf_log ("glusterd", GF_LOG_NORMAL, "Received CLI deprobe req");
+
+
+        ret = glusterd_deprobe_begin (req, cli_req.hostname);
+
+out:
+        return ret;
+}
+
+int
+glusterd_handle_cli_list_friends (rpcsvc_request_t *req)
+{
+        int32_t                         ret = -1;
+        gf1_cli_peer_list_req           cli_req = {0,};
+        dict_t                          *dict = NULL;
+
+        GF_ASSERT (req);
+
+        if (!gf_xdr_to_cli_peer_list_req (req->msg[0], &cli_req)) {
+                //failed to decode msg;
+                req->rpc_err = GARBAGE_ARGS;
+                goto out;
+        }
+
+        gf_log ("glusterd", GF_LOG_NORMAL, "Received cli list req");
+
+        if (cli_req.dict.dict_len) {
+                /* Unserialize the dictionary */
+                dict  = dict_new ();
+
+                ret = dict_unserialize (cli_req.dict.dict_val,
+                                        cli_req.dict.dict_len,
+                                        &dict);
+                if (ret < 0) {
+                        gf_log ("glusterd", GF_LOG_ERROR,
+                                "failed to "
+                                "unserialize req-buffer to dictionary");
+                        goto out;
+                }
+        }
+
+        ret = glusterd_list_friends (req, dict, cli_req.flags);
+
+out:
+        return ret;
+}
+
+int
 glusterd_handle_create_volume (rpcsvc_request_t *req)
 {
         int32_t                         ret = -1;
@@ -409,7 +561,7 @@ glusterd_handle_create_volume (rpcsvc_request_t *req)
                 /* Unserialize the dictionary */
                 dict  = dict_new ();
 
-                ret = dict_unserialize (cli_req.bricks.bricks_val, 
+                ret = dict_unserialize (cli_req.bricks.bricks_val,
                                         cli_req.bricks.bricks_len,
                                         &dict);
                 if (ret < 0) {
@@ -437,10 +589,10 @@ glusterd_op_lock_send_resp (rpcsvc_request_t *req, int32_t status)
         glusterd_get_uuid (&rsp.uuid);
         rsp.op_ret = status;
 
-        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, 
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gd_xdr_serialize_mgmt_cluster_lock_rsp);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Responded, ret: %d", ret);
 
         return 0;
@@ -457,10 +609,10 @@ glusterd_op_unlock_send_resp (rpcsvc_request_t *req, int32_t status)
         rsp.op_ret = status;
         glusterd_get_uuid (&rsp.uuid);
 
-        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, 
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gd_xdr_serialize_mgmt_cluster_unlock_rsp);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Responded to unlock, ret: %d", ret);
 
         return ret;
@@ -485,7 +637,7 @@ glusterd_handle_cluster_unlock (rpcsvc_request_t *req)
 
         uuid_unparse (unlock_req.uuid, str);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Received UNLOCK from uuid: %s", str);
 
         ret = glusterd_op_sm_new_event (GD_OP_EVENT_UNLOCK, &event);
@@ -494,7 +646,7 @@ glusterd_handle_cluster_unlock (rpcsvc_request_t *req)
                 //respond back here
                 return ret;
         }
-                
+
         ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_lock_ctx_t);
 
         if (!ctx) {
@@ -512,7 +664,7 @@ out:
 }
 
 int
-glusterd_op_stage_send_resp (rpcsvc_request_t   *req, 
+glusterd_op_stage_send_resp (rpcsvc_request_t   *req,
                              int32_t op, int32_t status)
 {
 
@@ -524,17 +676,17 @@ glusterd_op_stage_send_resp (rpcsvc_request_t   *req,
         glusterd_get_uuid (&rsp.uuid);
         rsp.op = op;
 
-        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, 
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gd_xdr_serialize_mgmt_stage_op_rsp);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Responded to stage, ret: %d", ret);
 
         return ret;
 }
 
 int
-glusterd_op_commit_send_resp (rpcsvc_request_t *req, 
+glusterd_op_commit_send_resp (rpcsvc_request_t *req,
                                int32_t op, int32_t status)
 {
         gd1_mgmt_commit_op_rsp          rsp = {{0}, };
@@ -545,10 +697,10 @@ glusterd_op_commit_send_resp (rpcsvc_request_t *req,
         glusterd_get_uuid (&rsp.uuid);
         rsp.op = op;
 
-        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, 
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gd_xdr_serialize_mgmt_commit_op_rsp);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Responded to commit, ret: %d", ret);
 
         return ret;
@@ -569,10 +721,10 @@ glusterd_handle_incoming_friend_req (rpcsvc_request_t *req)
         }
         uuid_unparse (friend_req.uuid, str);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Received probe from uuid: %s", str);
 
-        ret = glusterd_handle_friend_req (req, friend_req.uuid, 
+        ret = glusterd_handle_friend_req (req, friend_req.uuid,
                                           friend_req.hostname);
 
 out:
@@ -581,6 +733,32 @@ out:
 }
 
 int
+glusterd_handle_incoming_unfriend_req (rpcsvc_request_t *req)
+{
+        int32_t                 ret = -1;
+        gd1_mgmt_friend_req     friend_req = {{0},};
+        char                    str[50];
+
+        GF_ASSERT (req);
+        if (!gd_xdr_to_mgmt_friend_req (req->msg[0], &friend_req)) {
+                //failed to decode msg;
+                req->rpc_err = GARBAGE_ARGS;
+                goto out;
+        }
+        uuid_unparse (friend_req.uuid, str);
+
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received unfriend from uuid: %s", str);
+
+        ret = glusterd_handle_unfriend_req (req, friend_req.uuid,
+                                            friend_req.hostname);
+
+out:
+
+        return ret;
+}
+
+int
 glusterd_handle_probe_query (rpcsvc_request_t *req)
 {
         int32_t             ret = -1;
@@ -604,7 +782,7 @@ glusterd_handle_probe_query (rpcsvc_request_t *req)
 
         uuid_unparse (probe_req.uuid, str);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Received probe from uuid: %s", str);
 
 
@@ -615,10 +793,10 @@ glusterd_handle_probe_query (rpcsvc_request_t *req)
         uuid_copy (rsp.uuid, conf->uuid);
         rsp.hostname = gf_strdup (probe_req.hostname);
 
-        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, 
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gd_xdr_serialize_mgmt_probe_rsp);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Responded to %s, ret: %d", probe_req.hostname, ret);
 
 out:
@@ -644,8 +822,8 @@ glusterd_handle_friend_req_resp (call_frame_t *frame,
 
         op_ret = rsp_hdr->rsp.op_ret;
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received %s from uuid: %s, host: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received %s from uuid: %s, host: %s",
                 (op_ret)?"RJT":"ACC", str, rsp->hostname);
 
         ret = glusterd_friend_find (rsp->uuid, rsp->hostname, &peerinfo);
@@ -654,7 +832,7 @@ glusterd_handle_friend_req_resp (call_frame_t *frame,
                 GF_ASSERT (0);
         }
 
-        if (op_ret) 
+        if (op_ret)
                 event_type = GD_FRIEND_EVENT_RCVD_ACC;
         else
                 event_type = GD_FRIEND_EVENT_RCVD_RJT;
@@ -676,7 +854,7 @@ glusterd_handle_friend_req_resp (call_frame_t *frame,
 }*/
 
 /*int
-glusterd_handle_probe_resp (call_frame_t *frame, gf_hdr_common_t *rsp_hdr, 
+glusterd_handle_probe_resp (call_frame_t *frame, gf_hdr_common_t *rsp_hdr,
                             size_t hdrlen)
 {
         gf_mop_probe_rsp_t      *rsp = NULL;
@@ -691,8 +869,8 @@ glusterd_handle_probe_resp (call_frame_t *frame, gf_hdr_common_t *rsp_hdr,
         rsp   = gf_param (rsp_hdr);
         uuid_unparse (rsp->uuid, str);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received probe resp from uuid: %s, host: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received probe resp from uuid: %s, host: %s",
                 str, rsp->hostname);
 
         ret = glusterd_friend_find (rsp->uuid, rsp->hostname, &peerinfo);
@@ -714,7 +892,7 @@ glusterd_handle_probe_resp (call_frame_t *frame, gf_hdr_common_t *rsp_hdr,
         GF_ASSERT (peerinfo->hostname);
         uuid_copy (peerinfo->uuid, rsp->uuid);
 
-        ret = glusterd_friend_sm_new_event 
+        ret = glusterd_friend_sm_new_event
                         (GD_FRIEND_EVENT_INIT_FRIEND_REQ, &event);
 
         if (ret) {
@@ -870,11 +1048,11 @@ glusterd_xfer_cluster_lock_req (xlator_t *this, int32_t *lock_count)
         list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
                 GF_ASSERT (peerinfo);
 
-                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) 
+                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
                         continue;
 
-        
-                ret = glusterd_submit_request (peerinfo, &req, dummy_frame, 
+
+                ret = glusterd_submit_request (peerinfo, &req, dummy_frame,
                                                prog, GD_MGMT_PROBE_QUERY,
                                                NULL, gd_xdr_from_mgmt_probe_req,
                                                this);
@@ -926,13 +1104,13 @@ glusterd_xfer_cluster_unlock_req (xlator_t *this, int32_t *pending_count)
         list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
                 GF_ASSERT (peerinfo);
 
-                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) 
+                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
                         continue;
 
-        
+
                 ret = glusterd_xfer (dummy_frame, this,
                                      peerinfo->trans,
-                                     GF_OP_TYPE_MOP_REQUEST, 
+                                     GF_OP_TYPE_MOP_REQUEST,
                                      GF_MOP_CLUSTER_UNLOCK,
                                      hdr, hdrlen, NULL, 0, NULL);
                 if (!ret)
@@ -953,7 +1131,7 @@ unwind:
 
 int
 glusterd_friend_add (const char *hoststr,
-                     glusterd_peer_state_t state,
+                     glusterd_friend_sm_state_t state,
                      uuid_t *uuid,
                      struct rpc_clnt    *rpc,
                      glusterd_peerinfo_t **friend)
@@ -987,7 +1165,7 @@ glusterd_friend_add (const char *hoststr,
 
         if (uuid) {
                 uuid_copy (peerinfo->uuid, *uuid);
-        } 
+        }
 
 
         if (hoststr) {
@@ -1006,8 +1184,8 @@ glusterd_friend_add (const char *hoststr,
 
                 gf_log ("glusterd", GF_LOG_NORMAL, "remote-port: %d", port_num);
 
-                //ret = dict_set_int32 (options, "remote-port", GLUSTERD_DEFAULT_PORT); 
-                ret = dict_set_int32 (options, "remote-port", port_num); 
+                //ret = dict_set_int32 (options, "remote-port", GLUSTERD_DEFAULT_PORT);
+                ret = dict_set_int32 (options, "remote-port", port_num);
                 if (ret)
                         goto out;
 
@@ -1018,12 +1196,12 @@ glusterd_friend_add (const char *hoststr,
                 rpc = rpc_clnt_init (&rpc_cfg, options, THIS->ctx, THIS->name);
 
                 if (!rpc) {
-                        gf_log ("glusterd", GF_LOG_ERROR, 
+                        gf_log ("glusterd", GF_LOG_ERROR,
                                 "rpc init failed for peer: %s!", hoststr);
                         ret = -1;
                         goto out;
                 }
-        
+
                 ret = rpc_clnt_register_notify (rpc, glusterd_rpc_notify,
                                                 peerinfo);
 
@@ -1050,11 +1228,11 @@ glusterd_friend_probe (const char *hoststr)
         if (ret) {
                 //We should not reach this state ideally
                 GF_ASSERT (0);
-                goto out; 
+                goto out;
         }
-        
+
         ret = glusterd_xfer_probe_msg (peerinfo, THIS);
-        
+
 out:
         return ret;
 }*/
@@ -1075,13 +1253,14 @@ glusterd_probe_begin (rpcsvc_request_t *req, const char *hoststr)
         if (ret) {
                 gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find peerinfo"
                                 " for host: %s", hoststr);
-                ret = glusterd_friend_add ((char *)hoststr, GD_PEER_STATE_NONE, 
+                ret = glusterd_friend_add ((char *)hoststr,
+                                           GD_FRIEND_STATE_DEFAULT,
                                            NULL, NULL, &peerinfo);
         }
 
-        ret = glusterd_friend_sm_new_event 
+        ret = glusterd_friend_sm_new_event
                         (GD_FRIEND_EVENT_PROBE, &event);
-        
+
         if (ret) {
                 gf_log ("glusterd", GF_LOG_ERROR, "Unable to get new event");
                 return ret;
@@ -1110,6 +1289,62 @@ glusterd_probe_begin (rpcsvc_request_t *req, const char *hoststr)
         return ret;
 }
 
+int
+glusterd_deprobe_begin (rpcsvc_request_t *req, const char *hoststr)
+{
+        int                             ret = -1;
+        glusterd_peerinfo_t             *peerinfo = NULL;
+        glusterd_friend_sm_event_t      *event = NULL;
+        glusterd_probe_ctx_t            *ctx = NULL;
+
+        GF_ASSERT (hoststr);
+        GF_ASSERT (req);
+
+        ret = glusterd_friend_find (NULL, (char *)hoststr, &peerinfo);
+
+        if (ret) {
+                gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find peerinfo"
+                                " for host: %s", hoststr);
+                goto out;
+        }
+
+        if (!peerinfo->rpc) {
+                //handle this case
+                goto out;
+        }
+
+        ret = glusterd_friend_sm_new_event
+                        (GD_FRIEND_EVENT_INIT_REMOVE_FRIEND, &event);
+
+        if (ret) {
+                gf_log ("glusterd", GF_LOG_ERROR, "Unable to get new event");
+                return ret;
+        }
+
+        ctx = GF_CALLOC (1, sizeof(*ctx), gf_gld_mt_probe_ctx_t);
+
+        if (!ctx) {
+                return ret;
+        }
+
+        ctx->hostname = gf_strdup (hoststr);
+        ctx->req = req;
+
+        event->peerinfo = peerinfo;
+        event->ctx = ctx;
+
+        ret = glusterd_friend_sm_inject_event (event);
+
+        if (ret) {
+                gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject event %d, "
+                        "ret = %d", event->event, ret);
+                return ret;
+        }
+
+out:
+        return ret;
+}
+
 /*int
 glusterd_interpret (xlator_t *this, transport_t *trans,
                     char *hdr_p, size_t hdrlen, struct iobuf *iobuf)
@@ -1174,6 +1409,33 @@ glusterd_interpret (xlator_t *this, transport_t *trans,
 */
 
 int
+glusterd_xfer_friend_remove_resp (rpcsvc_request_t *req, char *hostname)
+{
+        gd1_mgmt_friend_rsp  rsp = {{0}, };
+        int32_t              ret = -1;
+        xlator_t             *this = NULL;
+        glusterd_conf_t      *conf = NULL;
+
+        GF_ASSERT (hostname);
+
+        rsp.op_ret = 0;
+        this = THIS;
+        GF_ASSERT (this);
+
+        conf = this->private;
+
+        uuid_copy (rsp.uuid, conf->uuid);
+        rsp.hostname = hostname;
+
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
+                                     gd_xdr_serialize_mgmt_friend_rsp);
+
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Responded to %s, ret: %d", hostname, ret);
+        return ret;
+}
+
+int
 glusterd_xfer_friend_add_resp (rpcsvc_request_t *req, char *hostname)
 {
         gd1_mgmt_friend_rsp  rsp = {{0}, };
@@ -1193,10 +1455,10 @@ glusterd_xfer_friend_add_resp (rpcsvc_request_t *req, char *hostname)
         rsp.hostname = gf_strdup (hostname);
 
 
-        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, 
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gd_xdr_serialize_mgmt_friend_rsp);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
+        gf_log ("glusterd", GF_LOG_NORMAL,
                 "Responded to %s, ret: %d", hostname, ret);
         return ret;
 }
@@ -1214,7 +1476,7 @@ glusterd_xfer_cli_probe_resp (rpcsvc_request_t *req, int32_t op_ret,
         rsp.op_errno = op_errno;
         rsp.hostname = hostname;
 
-        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, 
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gf_xdr_serialize_cli_probe_rsp);
 
         gf_log ("glusterd", GF_LOG_NORMAL, "Responded to CLI, ret: %d",ret);
@@ -1305,7 +1567,7 @@ glusterd_create_volume (rpcsvc_request_t *req, dict_t *dict)
                 snprintf (cmd_str, 8192,
                           "glusterfs-volgen -n %s -c /etc/glusterd -r 1 %s",
                           volname, bricks);
-                system (cmd_str);
+                ret = system (cmd_str);
                 break;
         }
         case GF_CLUSTER_TYPE_STRIPE:
@@ -1316,7 +1578,7 @@ glusterd_create_volume (rpcsvc_request_t *req, dict_t *dict)
                 snprintf (cmd_str, 8192,
                           "glusterfs-volgen -n %s -c /etc/glusterd -r 0 %s",
                           volname, bricks);
-                system (cmd_str);
+                ret = system (cmd_str);
                 break;
         }
         case GF_CLUSTER_TYPE_NONE:
@@ -1324,7 +1586,7 @@ glusterd_create_volume (rpcsvc_request_t *req, dict_t *dict)
                 snprintf (cmd_str, 8192,
                           "glusterfs-volgen -n %s -c /etc/glusterd %s",
                           volname, bricks);
-                system (cmd_str);
+                ret = system (cmd_str);
                 break;
         }
         }
@@ -1336,6 +1598,68 @@ out:
 }
 
 
+int32_t
+glusterd_list_friends (rpcsvc_request_t *req, dict_t *dict, int32_t flags)
+{
+        int32_t                 ret = -1;
+        glusterd_conf_t         *priv = NULL;
+        glusterd_peerinfo_t     *entry = NULL;
+        int32_t                 count = 0;
+        dict_t                  *friends = NULL;
+        gf1_cli_peer_list_rsp   rsp = {0,};
+
+        priv = THIS->private;
+        GF_ASSERT (priv);
+
+        if (!list_empty (&priv->peers)) {
+                friends = dict_new ();
+                if (!friends) {
+                        gf_log ("", GF_LOG_WARNING, "Out of Memory");
+                        goto out;
+                }
+        } else {
+                ret = 0;
+                goto out;
+        }
+
+        if (flags == GF_CLI_LIST_ALL) {
+                        list_for_each_entry (entry, &priv->peers, uuid_list) {
+                                count++;
+                                ret = glusterd_add_peer_detail_to_dict (entry,
+                                                                friends, count);
+                                if (ret)
+                                        goto out;
+
+                        }
+
+                        ret = dict_set_int32 (friends, "count", count);
+
+                        if (ret)
+                                goto out;
+        }
+
+        ret = dict_allocate_and_serialize (friends, &rsp.friends.friends_val,
+                                           (size_t *)&rsp.friends.friends_len);
+
+        if (ret)
+                goto out;
+
+        ret = 0;
+out:
+
+        if (ret) {
+                if (friends)
+                        dict_destroy (friends);
+        }
+
+        rsp.op_ret = ret;
+
+        ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
+                                     gf_xdr_serialize_cli_peer_list_rsp);
+
+        return ret;
+}
+
 int
 glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event,
                      void *data)
@@ -1364,7 +1688,7 @@ glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event,
                 } else {
                         //conf->rpc->connected = 1;
                         ret = default_notify (this, GF_EVENT_CHILD_UP, NULL);
-                } 
+                }
                 break;
         }
 
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index 41203606c..c6aaf7127 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -77,20 +77,20 @@ glusterd_op_get_len (glusterd_op_t op)
         return 0;
 }
 
-int 
+int
 glusterd_op_build_payload (glusterd_op_t op, gd1_mgmt_stage_op_req **req)
 {
         int                     len = 0;
         int                     ret = -1;
         gd1_mgmt_stage_op_req   *stage_req = NULL;
-        
+
         GF_ASSERT (op < GD_OP_MAX);
         GF_ASSERT (op > GD_OP_NONE);
         GF_ASSERT (req);
 
         len = glusterd_op_get_len (op);
 
-        stage_req = GF_CALLOC (1, sizeof (*stage_req), 
+        stage_req = GF_CALLOC (1, sizeof (*stage_req),
                                gf_gld_mt_mop_stage_req_t);
 
         if (!stage_req) {
@@ -98,7 +98,7 @@ glusterd_op_build_payload (glusterd_op_t op, gd1_mgmt_stage_op_req **req)
                 goto out;
         }
 
-        stage_req->buf.buf_val = GF_CALLOC (1, len, 
+        stage_req->buf.buf_val = GF_CALLOC (1, len,
                                             gf_gld_mt_mop_stage_req_t);
 
         if (!stage_req->buf.buf_val) {
@@ -116,7 +116,7 @@ glusterd_op_build_payload (glusterd_op_t op, gd1_mgmt_stage_op_req **req)
                                 dict_t  *dict = NULL;
                                 dict = glusterd_op_get_ctx (op);
                                 GF_ASSERT (dict);
-                                ret = dict_serialize (dict, 
+                                ret = dict_serialize (dict,
                                                       stage_req->buf.buf_val);
                                 if (ret) {
                                         goto out;
@@ -166,13 +166,13 @@ glusterd_xfer_stage_req (xlator_t *this, int32_t *lock_count)
                 //No pending ops, inject stage_acc
 
                 glusterd_op_sm_event_t  *event = NULL;
-        
-                ret = glusterd_op_sm_new_event (GD_OP_EVENT_STAGE_ACC, 
+
+                ret = glusterd_op_sm_new_event (GD_OP_EVENT_STAGE_ACC,
                                                 &event);
 
                 if (ret)
                         goto out;
-        
+
                 ret = glusterd_op_sm_inject_event (event);
 
                 return ret;
@@ -192,12 +192,12 @@ glusterd_xfer_stage_req (xlator_t *this, int32_t *lock_count)
         list_for_each_entry (peerinfo, &opinfo.op_peers, op_peers_list) {
                 GF_ASSERT (peerinfo);
 
-                GF_ASSERT (peerinfo->state.state == GD_FRIEND_STATE_BEFRIENDED); 
+                GF_ASSERT (peerinfo->state.state == GD_FRIEND_STATE_BEFRIENDED);
+
 
-        
                 ret = glusterd_xfer (dummy_frame, this,
                                      peerinfo->trans,
-                                     GF_OP_TYPE_MOP_REQUEST, 
+                                     GF_OP_TYPE_MOP_REQUEST,
                                      GF_MOP_STAGE_OP,
                                      hdr, hdrlen, NULL, 0, NULL);
                 if (!ret)
@@ -206,7 +206,7 @@ glusterd_xfer_stage_req (xlator_t *this, int32_t *lock_count)
 
         gf_log ("glusterd", GF_LOG_NORMAL, "Sent op req to %d peers",
                                             pending_lock);
-        if (i < GD_OP_MAX) 
+        if (i < GD_OP_MAX)
                 opinfo.pending_op[i] = 0;
 
         *lock_count = pending_lock;
@@ -247,13 +247,13 @@ glusterd_xfer_commit_req (xlator_t *this, int32_t *lock_count)
                 //No pending ops, inject stage_acc
 
                 glusterd_op_sm_event_t  *event = NULL;
-        
-                ret = glusterd_op_sm_new_event (GD_OP_EVENT_COMMIT_ACC, 
+
+                ret = glusterd_op_sm_new_event (GD_OP_EVENT_COMMIT_ACC,
                                                 &event);
 
                 if (ret)
                         goto out;
-        
+
                 ret = glusterd_op_sm_inject_event (event);
 
                 return ret;
@@ -273,12 +273,12 @@ glusterd_xfer_commit_req (xlator_t *this, int32_t *lock_count)
         list_for_each_entry (peerinfo, &opinfo.op_peers, op_peers_list) {
                 GF_ASSERT (peerinfo);
 
-                GF_ASSERT (peerinfo->state.state == GD_FRIEND_STATE_BEFRIENDED); 
+                GF_ASSERT (peerinfo->state.state == GD_FRIEND_STATE_BEFRIENDED);
+
 
-        
                 ret = glusterd_xfer (dummy_frame, this,
                                      peerinfo->trans,
-                                     GF_OP_TYPE_MOP_REQUEST, 
+                                     GF_OP_TYPE_MOP_REQUEST,
                                      GF_MOP_STAGE_OP,
                                      hdr, hdrlen, NULL, 0, NULL);
                 if (!ret)
@@ -287,7 +287,7 @@ glusterd_xfer_commit_req (xlator_t *this, int32_t *lock_count)
 
         gf_log ("glusterd", GF_LOG_NORMAL, "Sent op req to %d peers",
                                             pending_lock);
-        if (i < GD_OP_MAX) 
+        if (i < GD_OP_MAX)
                 opinfo.pending_op[i] = 0;
 
         *lock_count = pending_lock;
@@ -323,10 +323,10 @@ glusterd_op_stage_create_volume (gd1_mgmt_stage_op_req *req)
                 goto out;
         }
 
-        exists = glusterd_check_volume_exists (volname); 
+        exists = glusterd_check_volume_exists (volname);
 
         if (exists) {
-                gf_log ("", GF_LOG_ERROR, "Volume with name: %s exists", 
+                gf_log ("", GF_LOG_ERROR, "Volume with name: %s exists",
                         volname);
                 ret = -1;
         } else {
@@ -394,7 +394,7 @@ glusterd_op_create_volume (gd1_mgmt_stage_op_req *req)
                 goto out;
         }
 
-        ret = dict_get_int32 (dict, "count", &volinfo->brick_count); 
+        ret = dict_get_int32 (dict, "count", &volinfo->brick_count);
 
         if (ret) {
                 gf_log ("", GF_LOG_ERROR, "Unable to get count");
@@ -756,8 +756,8 @@ glusterd_op_ac_commit_op (glusterd_op_sm_event_t *event, void *ctx)
 
 
 static int
-glusterd_op_sm_transition_state (glusterd_op_info_t *opinfo, 
-                                 glusterd_op_sm_t *state, 
+glusterd_op_sm_transition_state (glusterd_op_info_t *opinfo,
+                                 glusterd_op_sm_t *state,
                                  glusterd_op_sm_event_type_t event_type)
 {
 
@@ -766,7 +766,7 @@ glusterd_op_sm_transition_state (glusterd_op_info_t *opinfo,
 
         gf_log ("", GF_LOG_NORMAL, "Transitioning from %d to %d",
                      opinfo->state.state, state[event_type].next_state);
-        opinfo->state.state = 
+        opinfo->state.state =
                 state[event_type].next_state;
         return 0;
 }
@@ -777,10 +777,10 @@ glusterd_op_sm_t glusterd_op_state_default [] = {
         {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_send_lock},//EVENT_START_LOCK
         {GD_OP_STATE_LOCKED, glusterd_op_ac_lock}, //EVENT_LOCK
-        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_ALL_ACC
+        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_RCVD_RJT
         {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_STAGE_OP
         {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_COMMIT_OP
@@ -792,10 +792,10 @@ glusterd_op_sm_t glusterd_op_state_lock_sent [] = {
         {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none},//EVENT_START_LOCK
         {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_LOCK
-        {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_rcvd_lock_acc}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_send_stage_op}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_rcvd_lock_acc}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_send_stage_op}, //EVENT_ALL_ACC
+        {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_send_unlock}, //EVENT_RCVD_RJT
         {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_STAGE_OP
         {GD_OP_STATE_LOCK_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_OP
@@ -807,10 +807,10 @@ glusterd_op_sm_t glusterd_op_state_locked [] = {
         {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_LOCKED, glusterd_op_ac_none},//EVENT_START_LOCK
         {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_LOCK
-        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_ALL_ACC
+        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_RCVD_RJT
         {GD_OP_STATE_STAGED, glusterd_op_ac_stage_op}, //EVENT_STAGE_OP
         {GD_OP_STATE_LOCKED, glusterd_op_ac_none}, //EVENT_COMMIT_OP
@@ -822,10 +822,10 @@ glusterd_op_sm_t glusterd_op_state_stage_op_sent [] = {
         {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_none},//EVENT_START_LOCK
         {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_none}, //EVENT_LOCK
-        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_rcvd_stage_op_acc}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_send_stage_op}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_send_commit_op}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_rcvd_stage_op_acc}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_send_stage_op}, //EVENT_ALL_ACC
+        {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_send_commit_op}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_UNLOCK_SENT,   glusterd_op_ac_send_unlock}, //EVENT_RCVD_RJT
         {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_none}, //EVENT_STAGE_OP
         {GD_OP_STATE_STAGE_OP_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_OP
@@ -837,10 +837,10 @@ glusterd_op_sm_t glusterd_op_state_staged [] = {
         {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_STAGED, glusterd_op_ac_none},//EVENT_START_LOCK
         {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_LOCK
-        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_ALL_ACC
+        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_RCVD_RJT
         {GD_OP_STATE_STAGED, glusterd_op_ac_none}, //EVENT_STAGE_OP
         {GD_OP_STATE_COMMITED, glusterd_op_ac_commit_op}, //EVENT_COMMIT_OP
@@ -852,10 +852,10 @@ glusterd_op_sm_t glusterd_op_state_commit_op_sent [] = {
         {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_none},//EVENT_START_LOCK
         {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_none}, //EVENT_LOCK
-        {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_rcvd_commit_op_acc}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_UNLOCK_SENT,    glusterd_op_ac_commit_op}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_none}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_UNLOCK_SENT,    glusterd_op_ac_send_unlock}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_rcvd_commit_op_acc}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_UNLOCK_SENT,    glusterd_op_ac_commit_op}, //EVENT_ALL_ACC
+        {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_none}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_UNLOCK_SENT,    glusterd_op_ac_send_unlock}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_commit_error}, //EVENT_RCVD_RJT
         {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_none}, //EVENT_STAGE_OP
         {GD_OP_STATE_COMMIT_OP_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_OP
@@ -867,10 +867,10 @@ glusterd_op_sm_t glusterd_op_state_commited [] = {
         {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_COMMITED, glusterd_op_ac_none},//EVENT_START_LOCK
         {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_LOCK
-        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_ALL_ACC
+        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_RCVD_RJT
         {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_STAGE_OP
         {GD_OP_STATE_COMMITED, glusterd_op_ac_none}, //EVENT_COMMIT_OP
@@ -882,10 +882,10 @@ glusterd_op_sm_t glusterd_op_state_unlock_sent [] = {
         {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_NONE
         {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none},//EVENT_START_LOCK
         {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_LOCK
-        {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_rcvd_unlock_acc}, //EVENT_RCVD_ACC 
-        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_ALL_ACC 
-        {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_STAGE_ACC 
-        {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC 
+        {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_rcvd_unlock_acc}, //EVENT_RCVD_ACC
+        {GD_OP_STATE_DEFAULT, glusterd_op_ac_none}, //EVENT_ALL_ACC
+        {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_STAGE_ACC
+        {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_ACC
         {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_RCVD_RJT
         {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_STAGE_OP
         {GD_OP_STATE_UNLOCK_SENT, glusterd_op_ac_none}, //EVENT_COMMIT_OP
@@ -915,7 +915,7 @@ glusterd_op_sm_new_event (glusterd_op_sm_event_type_t event_type,
         GF_ASSERT (GD_OP_EVENT_NONE <= event_type &&
                         GD_OP_EVENT_MAX > event_type);
 
-        event = GF_CALLOC (1, sizeof (*event), gf_gld_mt_op_sm_event_t); 
+        event = GF_CALLOC (1, sizeof (*event), gf_gld_mt_op_sm_event_t);
 
         if (!event)
                 return -1;
@@ -949,11 +949,11 @@ glusterd_op_sm ()
         glusterd_op_sm_t                *state = NULL;
         glusterd_op_sm_event_type_t     event_type = 0;
 
-        
+
         while (!list_empty (&gd_op_sm_queue)) {
-	
+
                 list_for_each_entry_safe (event, tmp, &gd_op_sm_queue, list) {
-		
+
                         list_del_init (&event->list);
                         event_type = event->event;
 
@@ -963,22 +963,22 @@ glusterd_op_sm ()
 
                         handler = state[event_type].handler;
                         GF_ASSERT (handler);
-                
+
                         ret = handler (event, event->ctx);
 
                         if (ret) {
-                                gf_log ("glusterd", GF_LOG_ERROR, 
+                                gf_log ("glusterd", GF_LOG_ERROR,
                                         "handler returned: %d", ret);
                                 return ret;
                         }
 
-                        ret = glusterd_op_sm_transition_state (&opinfo, state, 
+                        ret = glusterd_op_sm_transition_state (&opinfo, state,
                                                                 event_type);
 
                         if (ret) {
-                                gf_log ("glusterd", GF_LOG_ERROR, 
+                                gf_log ("glusterd", GF_LOG_ERROR,
                                         "Unable to transition"
-                                        "state from %d to %d", 
+                                        "state from %d to %d",
                                          opinfo.state.state,
                                          state[event_type].next_state);
                                 return ret;
@@ -987,7 +987,7 @@ glusterd_op_sm ()
                         GF_FREE (event);
                 }
         }
-        
+
 
         ret = 0;
 
@@ -997,7 +997,7 @@ glusterd_op_sm ()
 int32_t
 glusterd_op_set_op (glusterd_op_t op)
 {
- 
+
         GF_ASSERT (op < GD_OP_MAX);
         GF_ASSERT (op > GD_OP_NONE);
 
@@ -1012,7 +1012,7 @@ glusterd_op_set_op (glusterd_op_t op)
 int32_t
 glusterd_op_set_ctx (glusterd_op_t op, void *ctx)
 {
- 
+
         GF_ASSERT (op < GD_OP_MAX);
         GF_ASSERT (op > GD_OP_NONE);
 
diff --git a/xlators/mgmt/glusterd/src/glusterd-sm.c b/xlators/mgmt/glusterd/src/glusterd-sm.c
index 53a0f5af8..b55fdd567 100644
--- a/xlators/mgmt/glusterd/src/glusterd-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-sm.c
@@ -42,6 +42,7 @@
 #include "compat-errno.h"
 #include "statedump.h"
 #include "glusterd-sm.h"
+#include "glusterd-utils.h"
 
 static struct list_head gd_friend_sm_queue;
 
@@ -56,6 +57,16 @@ glusterd_ac_none (glusterd_friend_sm_event_t *event, void *ctx)
 }
 
 static int
+glusterd_ac_error (glusterd_friend_sm_event_t *event, void *ctx)
+{
+        int ret = 0;
+
+        gf_log ("", GF_LOG_ERROR, "Received event %d ", event->event);
+
+        return ret;
+}
+
+static int
 glusterd_ac_friend_add (glusterd_friend_sm_event_t *event, void *ctx)
 {
         int                     ret = 0;
@@ -143,12 +154,95 @@ glusterd_ac_friend_probe (glusterd_friend_sm_event_t *event, void *ctx)
         }
 */
 
-out:        
+out:
         gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
 
         return ret;
 }
 
+static int
+glusterd_ac_send_friend_remove_req (glusterd_friend_sm_event_t *event, void *ctx)
+{
+        int                     ret = 0;
+        glusterd_peerinfo_t     *peerinfo = NULL;
+        rpc_clnt_procedure_t    *proc = NULL;
+        call_frame_t            *frame = NULL;
+        glusterd_conf_t         *conf = NULL;
+        xlator_t                *this = NULL;
+
+
+        GF_ASSERT (event);
+        peerinfo = event->peerinfo;
+
+        this = THIS;
+        conf = this->private;
+
+        GF_ASSERT (conf);
+        GF_ASSERT (conf->mgmt);
+
+        proc = &conf->mgmt->proctable[GD_MGMT_FRIEND_REMOVE];
+        if (proc->fn) {
+                frame = create_frame (this, this->ctx->pool);
+                if (!frame) {
+                        goto out;
+                }
+                frame->local = ctx;
+                ret = proc->fn (frame, this, event);
+        }
+
+/*        ret = glusterd_xfer_friend_req_msg (peerinfo, THIS);
+
+        if (ret) {
+                gf_log ("", GF_LOG_ERROR, "Unable to probe: %s", hostname);
+        }
+*/
+
+out:
+        gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
+
+        return ret;
+}
+
+static int
+glusterd_ac_handle_friend_remove_req (glusterd_friend_sm_event_t *event,
+                                      void *ctx)
+{
+        int                             ret = 0;
+        glusterd_peerinfo_t             *peerinfo = NULL;
+        glusterd_friend_req_ctx_t       *ev_ctx = NULL;
+
+        GF_ASSERT (ctx);
+        ev_ctx = ctx;
+        peerinfo = event->peerinfo;
+        GF_ASSERT (peerinfo);
+
+        uuid_clear (peerinfo->uuid);
+
+        ret = glusterd_xfer_friend_remove_resp (ev_ctx->req, ev_ctx->hostname);
+
+        rpc_clnt_destroy (peerinfo->rpc);
+        peerinfo->rpc = NULL;
+
+        gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
+
+        return ret;
+}
+
+static int
+glusterd_ac_friend_remove (glusterd_friend_sm_event_t *event, void *ctx)
+{
+        int                     ret = -1;
+
+        ret = glusterd_friend_cleanup (event->peerinfo);
+
+        if (ret) {
+                gf_log ("", GF_LOG_ERROR, "Cleanup returned: %d", ret);
+        }
+
+
+        return 0;
+}
+
 /*static int
 glusterd_ac_none (void *ctx)
 {
@@ -166,6 +260,9 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
         uuid_t                          uuid;
         glusterd_peerinfo_t             *peerinfo = NULL;
         glusterd_friend_req_ctx_t       *ev_ctx = NULL;
+        glusterd_friend_sm_event_t      *new_event = NULL;
+        glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE;
+        int                             status = 0;
 
         GF_ASSERT (ctx);
         ev_ctx = ctx;
@@ -174,6 +271,22 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
         GF_ASSERT (peerinfo);
         uuid_copy (peerinfo->uuid, ev_ctx->uuid);
 
+        //Build comparison logic here.
+
+        if (!status)
+                event_type = GD_FRIEND_EVENT_LOCAL_ACC;
+        else
+                event_type = GD_FRIEND_EVENT_LOCAL_RJT;
+
+        ret = glusterd_friend_sm_new_event (event_type, &new_event);
+
+        if (ret) {
+                gf_log ("", GF_LOG_ERROR, "Out of Memory");
+        }
+
+        new_event->peerinfo = peerinfo;
+        glusterd_friend_sm_inject_event (new_event);
+
         ret = glusterd_xfer_friend_add_resp (ev_ctx->req, ev_ctx->hostname);
 
         gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
@@ -182,8 +295,8 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
 }
 
 static int
-glusterd_friend_sm_transition_state (glusterd_peerinfo_t *peerinfo, 
-                                     glusterd_sm_t *state, 
+glusterd_friend_sm_transition_state (glusterd_peerinfo_t *peerinfo,
+                                     glusterd_sm_t *state,
                                      glusterd_friend_sm_event_type_t event_type)
 {
 
@@ -203,9 +316,12 @@ glusterd_sm_t glusterd_state_default [] = {
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none},
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_friend_probe},//EV_PROBE
         {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_friend_add}, //EV_INIT_FRIEND_REQ
-        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_RCVD_ACC 
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_RCVD_LOCAL_RJT
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_handle_friend_add_req}, //EVENT_RCV_FRIEND_REQ
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_error}, //EV_INIT_REMOVE_FRIEND
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_REMOVE_FRIEND
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_MAX
 };
@@ -215,9 +331,12 @@ glusterd_sm_t  glusterd_state_req_sent [] = {
         {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_none}, //EVENT_NONE,
         {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_none}, //EVENT_PROBE,
         {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_none}, //EVENT_INIT_FRIEND_REQ,
-        {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_REQ_ACCEPTED, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
         {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_none}, //EVENT_RCVD_LOCAL_RJT
         {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_handle_friend_add_req}, //EVENT_RCV_FRIEND_REQ
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_friend_remove}, //EVENT_INIT_REMOVE_FRIEND,
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_REMOVE_FRIEND
         {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_none},//EVENT_MAX
 };
@@ -227,8 +346,11 @@ glusterd_sm_t  glusterd_state_req_rcvd [] = {
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_friend_probe}, //EVENT_PROBE,
         {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_friend_add}, //EVENT_INIT_FRIEND_REQ,
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_none}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_none}, //EVENT_RCVD_LOCAL_RJT
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_none}, //EVENT_RCV_FRIEND_REQ
+        {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_error}, //EVENT_INIT_REMOVE_FRIEND,
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_REMOVE_FRIEND
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_none},//EVENT_MAX
 };
@@ -238,9 +360,12 @@ glusterd_sm_t  glusterd_state_befriended [] = {
         {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_PROBE,
         {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_INIT_FRIEND_REQ,
         {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
         {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_LOCAL_RJT
         {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCV_FRIEND_REQ
-        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_REMOVE_FRIEND
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_send_friend_remove_req}, //EVENT_INIT_REMOVE_FRIEND,
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_handle_friend_remove_req}, //EVENT_REMOVE_FRIEND
         {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none},//EVENT_MAX
 };
 
@@ -249,8 +374,11 @@ glusterd_sm_t  glusterd_state_req_sent_rcvd [] = {
         {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_none}, //EVENT_PROBE,
         {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_none}, //EVENT_INIT_FRIEND_REQ,
         {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
         {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_none}, //EVENT_RCVD_LOCAL_RJT
         {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_none}, //EVENT_RCV_FRIEND_REQ
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_send_friend_remove_req}, //EVENT_INIT_REMOVE_FRIEND,
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_REMOVE_FRIEND
         {GD_FRIEND_STATE_REQ_SENT_RCVD, glusterd_ac_none},//EVENT_MAX
 };
@@ -260,12 +388,43 @@ glusterd_sm_t  glusterd_state_rejected [] = {
         {GD_FRIEND_STATE_REJECTED, glusterd_ac_friend_probe}, //EVENT_PROBE,
         {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_friend_add}, //EVENT_INIT_FRIEND_REQ,
         {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
         {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_LOCAL_RJT
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_handle_friend_add_req}, //EVENT_RCV_FRIEND_REQ
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_friend_remove}, //EVENT_INIT_REMOVE_FRIEND
         {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_REMOVE_FRIEND
         {GD_FRIEND_STATE_REQ_RCVD, glusterd_ac_none},//EVENT_MAX
 };
 
+glusterd_sm_t  glusterd_state_req_accepted [] = {
+        {GD_FRIEND_STATE_REQ_ACCEPTED, glusterd_ac_none}, //EVENT_NONE,
+        {GD_FRIEND_STATE_REQ_ACCEPTED, glusterd_ac_none}, //EVENT_PROBE,
+        {GD_FRIEND_STATE_REQ_ACCEPTED, glusterd_ac_none}, //EVENT_INIT_FRIEND_REQ,
+        {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_BEFRIENDED, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
+        {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_REJECTED, glusterd_ac_none}, //EVENT_RCVD_LOCAL_RJT
+        {GD_FRIEND_STATE_REQ_ACCEPTED, glusterd_ac_handle_friend_add_req}, //EVENT_RCV_FRIEND_REQ
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_friend_remove}, //EVENT_INIT_REMOVE_FRIEND
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_none}, //EVENT_REMOVE_FRIEND
+        {GD_FRIEND_STATE_REQ_SENT, glusterd_ac_none},//EVENT_MAX
+};
+
+glusterd_sm_t  glusterd_state_unfriend_sent [] = {
+        {GD_FRIEND_STATE_REQ_ACCEPTED, glusterd_ac_none}, //EVENT_NONE,
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_error}, //EVENT_PROBE,
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_none}, //EVENT_INIT_FRIEND_REQ,
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_none}, //EVENT_RCVD_ACC
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_none}, //EVENT_RCVD_LOCAL_ACC
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_error}, //EVENT_RCVD_RJT
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_error}, //EVENT_RCVD_LOCAL_RJT
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_error}, //EVENT_RCV_FRIEND_REQ
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_none}, //EVENT_INIT_REMOVE_FRIEND
+        {GD_FRIEND_STATE_DEFAULT, glusterd_ac_friend_remove}, //EVENT_REMOVE_FRIEND
+        {GD_FRIEND_STATE_UNFRIEND_SENT, glusterd_ac_none},//EVENT_MAX
+};
+
 glusterd_sm_t *glusterd_friend_state_table [] = {
         glusterd_state_default,
         glusterd_state_req_sent,
@@ -273,6 +432,8 @@ glusterd_sm_t *glusterd_friend_state_table [] = {
         glusterd_state_befriended,
         glusterd_state_req_sent_rcvd,
         glusterd_state_rejected,
+        glusterd_state_req_accepted,
+        glusterd_state_unfriend_sent,
 };
 
 int
@@ -285,7 +446,7 @@ glusterd_friend_sm_new_event (glusterd_friend_sm_event_type_t event_type,
         GF_ASSERT (GD_FRIEND_EVENT_NONE <= event_type &&
                         GD_FRIEND_EVENT_MAX > event_type);
 
-        event = GF_CALLOC (1, sizeof (*event), gf_gld_mt_friend_sm_event_t); 
+        event = GF_CALLOC (1, sizeof (*event), gf_gld_mt_friend_sm_event_t);
 
         if (!event)
                 return -1;
@@ -321,21 +482,22 @@ glusterd_friend_sm ()
         glusterd_friend_sm_event_type_t event_type = 0;
 
 	list_for_each_entry_safe (event, tmp, &gd_friend_sm_queue, list) {
-		
+
                 list_del_init (&event->list);
                 peerinfo = event->peerinfo;
                 event_type = event->event;
 
-                if (!peerinfo && 
+                if (!peerinfo &&
                    (GD_FRIEND_EVENT_PROBE == event_type ||
                     GD_FRIEND_EVENT_RCVD_FRIEND_REQ == event_type)) {
-                        ret = glusterd_friend_add (NULL, GD_PEER_STATE_NONE, NULL, NULL,
-                                                   &peerinfo);
+                        ret = glusterd_friend_add (NULL,
+                                                  GD_FRIEND_STATE_DEFAULT,
+                                                  NULL, NULL, &peerinfo);
 
                         if (ret) {
                                 gf_log ("glusterd", GF_LOG_ERROR, "Unable to add peer, "
                                         "ret = %d", ret);
-                                continue; 
+                                continue;
                         }
                         GF_ASSERT (peerinfo);
                         event->peerinfo = peerinfo;
@@ -348,7 +510,7 @@ glusterd_friend_sm ()
 
                 handler = state[event_type].handler;
                 GF_ASSERT (handler);
-        
+
                 ret = handler (event, event->ctx);
 
                 if (ret) {
@@ -368,7 +530,7 @@ glusterd_friend_sm ()
 
                 GF_FREE (event);
         }
-        
+
 
         ret = 0;
 
diff --git a/xlators/mgmt/glusterd/src/glusterd-sm.h b/xlators/mgmt/glusterd/src/glusterd-sm.h
index 087a4c301..6f03a8497 100644
--- a/xlators/mgmt/glusterd/src/glusterd-sm.h
+++ b/xlators/mgmt/glusterd/src/glusterd-sm.h
@@ -28,6 +28,7 @@
 #include <pthread.h>
 #include <uuid/uuid.h>
 
+#include "rpc-clnt.h"
 #include "glusterfs.h"
 #include "xlator.h"
 #include "logging.h"
@@ -35,27 +36,52 @@
 #include "authenticate.h"
 #include "fd.h"
 #include "byte-order.h"
-#include "glusterd.h"
+//#include "glusterd.h"
 #include "rpcsvc.h"
 
-
 typedef enum glusterd_friend_sm_state_ {
         GD_FRIEND_STATE_DEFAULT = 0,
         GD_FRIEND_STATE_REQ_SENT,
         GD_FRIEND_STATE_REQ_RCVD,
         GD_FRIEND_STATE_BEFRIENDED,
+        GD_FRIEND_STATE_REQ_ACCEPTED,
         GD_FRIEND_STATE_REQ_SENT_RCVD,
         GD_FRIEND_STATE_REJECTED,
+        GD_FRIEND_STATE_UNFRIEND_SENT,
         GD_FRIEND_STATE_MAX
 } glusterd_friend_sm_state_t;
 
+typedef struct glusterd_peer_state_info_ {
+        glusterd_friend_sm_state_t   state;
+        struct timeval          transition_time;
+}glusterd_peer_state_info_t;
+
+
+struct glusterd_peerinfo_ {
+        uuid_t                          uuid;
+        char                            uuid_str[50];
+        glusterd_peer_state_info_t      state;
+        char                            *hostname;
+        int                             port;
+        struct list_head                uuid_list;
+        struct list_head                op_peers_list;
+        struct rpc_clnt                 *rpc;
+};
+
+typedef struct glusterd_peerinfo_ glusterd_peerinfo_t;
+
+
+
 typedef enum glusterd_friend_sm_event_type_ {
         GD_FRIEND_EVENT_NONE = 0,
         GD_FRIEND_EVENT_PROBE,
         GD_FRIEND_EVENT_INIT_FRIEND_REQ,
         GD_FRIEND_EVENT_RCVD_ACC,
+        GD_FRIEND_EVENT_LOCAL_ACC,
         GD_FRIEND_EVENT_RCVD_RJT,
+        GD_FRIEND_EVENT_LOCAL_RJT,
         GD_FRIEND_EVENT_RCVD_FRIEND_REQ,
+        GD_FRIEND_EVENT_INIT_REMOVE_FRIEND,
         GD_FRIEND_EVENT_REMOVE_FRIEND,
         GD_FRIEND_EVENT_MAX
 } glusterd_friend_sm_event_type_t;
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index 0e3168036..feb4919ee 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -106,7 +106,7 @@ out:
 
 int32_t
 glusterd_unlock (uuid_t uuid)
-{        
+{
         uuid_t  owner;
         char    new_owner_str[50];
         char    owner_str[50];
@@ -162,8 +162,8 @@ glusterd_get_uuid (uuid_t *uuid)
 
 int
 glusterd_submit_request (glusterd_peerinfo_t *peerinfo, void *req,
-                         call_frame_t *frame, rpc_clnt_prog_t *prog, 
-                         int procnum, struct iobref *iobref, 
+                         call_frame_t *frame, rpc_clnt_prog_t *prog,
+                         int procnum, struct iobref *iobref,
                          gd_serialize_t sfunc, xlator_t *this,
                          fop_cbk_fn_t cbkfn)
 {
@@ -205,8 +205,8 @@ glusterd_submit_request (glusterd_peerinfo_t *peerinfo, void *req,
                 count = 1;
         }
         /* Send the msg */
-        ret = rpc_clnt_submit (peerinfo->rpc, prog, procnum, cbkfn, 
-                               &iov, count, 
+        ret = rpc_clnt_submit (peerinfo->rpc, prog, procnum, cbkfn,
+                               &iov, count,
                                NULL, 0, iobref, frame);
 
         if (ret == 0) {
@@ -235,7 +235,7 @@ out:
 
 
 struct iobuf *
-glusterd_serialize_reply (rpcsvc_request_t *req, void *arg, 
+glusterd_serialize_reply (rpcsvc_request_t *req, void *arg,
                           gd_serialize_t sfunc, struct iovec *outmsg)
 {
         struct iobuf            *iob = NULL;
@@ -337,7 +337,7 @@ glusterd_check_volume_exists (char *volname)
         struct stat stbuf = {0,};
         int32_t ret = -1;
 
-        snprintf (pathname, 1024, "%s/vols/%s", GLUSTERD_DEFAULT_WORKDIR, 
+        snprintf (pathname, 1024, "%s/vols/%s", GLUSTERD_DEFAULT_WORKDIR,
                   volname);
 
         ret = stat (pathname, &stbuf);
@@ -371,7 +371,7 @@ glusterd_volinfo_new (glusterd_volinfo_t **volinfo)
         *volinfo = new_volinfo;
 
         ret = 0;
-        
+
 out:
         gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
         return ret;
@@ -434,3 +434,17 @@ out:
         gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
         return ret;
 }
+
+
+int32_t
+glusterd_friend_cleanup (glusterd_peerinfo_t *peerinfo)
+{
+        GF_ASSERT (peerinfo);
+        if (peerinfo->rpc) {
+                rpc_clnt_destroy (peerinfo->rpc);
+                peerinfo->rpc = NULL;
+        }
+        GF_FREE (peerinfo->hostname);
+
+        return 0;
+}
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
index 01c485b08..8007fa72d 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
@@ -61,8 +61,8 @@ glusterd_submit_reply (rpcsvc_request_t *req, void *arg,
 
 int
 glusterd_submit_request (glusterd_peerinfo_t *peerinfo, void *req,
-                         call_frame_t *frame, struct rpc_clnt_program *prog, 
-                         int procnum, struct iobref *iobref, 
+                         call_frame_t *frame, struct rpc_clnt_program *prog,
+                         int procnum, struct iobref *iobref,
                          gd_serialize_t sfunc, xlator_t *this,
                          fop_cbk_fn_t cbkfn);
 
@@ -77,4 +77,7 @@ glusterd_brickinfo_new (glusterd_brickinfo_t **brickinfo);
 
 int32_t
 glusterd_brickinfo_from_brick (char *brick, glusterd_brickinfo_t **brickinfo);
+
+int32_t
+glusterd_friend_cleanup (glusterd_peerinfo_t *peerinfo);
 #endif
diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c
index 9c688c136..7ce466a64 100644
--- a/xlators/mgmt/glusterd/src/glusterd.c
+++ b/xlators/mgmt/glusterd/src/glusterd.c
@@ -33,7 +33,6 @@
 #include "rpcsvc.h"
 #include "fnmatch.h"
 #include "xlator.h"
-//#include "protocol.h"
 #include "call-stub.h"
 #include "defaults.h"
 #include "list.h"
@@ -41,7 +40,6 @@
 #include "compat.h"
 #include "compat-errno.h"
 #include "statedump.h"
-//#include "md5.h"
 #include "glusterd-sm.h"
 #include "glusterd-op-sm.h"
 
@@ -94,46 +92,6 @@ glusterd_uuid_init ()
 }
 
 
-/* xxx_MOPS */
-
-#if 0
-
-#endif
-
-
-
-
-
-
-
-
-
-
-/*
- * glusterd_nop_cbk - nop callback for server protocol
- * @frame: call frame
- * @cookie:
- * @this:
- * @op_ret: return value
- * @op_errno: errno
- *
- * not for external reference
- */
-/*int
-glusterd_nop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                  int32_t op_ret, int32_t op_errno)
-{
-        glusterd_state_t *state = NULL;
-
-        state = GLUSTERD_CALL_STATE(frame);
-
-        if (state)
-                free_state (state);
-        STACK_DESTROY (frame->root);
-        return 0;
-}
-*/
-
 
 int
 glusterd_priv (xlator_t *this)
@@ -152,7 +110,7 @@ mem_acct_init (xlator_t *this)
                 return ret;
 
         ret = xlator_mem_acct_init (this, gf_gld_mt_end + 1);
-        
+
         if (ret != 0) {
                 gf_log (this->name, GF_LOG_ERROR, "Memory accounting init"
                         " failed");
@@ -181,23 +139,12 @@ glusterd_rpcsvc_notify (rpcsvc_t *rpc, void *xl, rpcsvc_event_t event,
         switch (event) {
         case RPCSVC_EVENT_ACCEPT:
         {
-                /* Have a structure per new connection */
-                /* TODO: Should we create anything here at all ? * /
-                conn = create_server_conn_state (this, xprt);
-                if (!conn)
-                        goto out;
-
-                xprt->protocol_private = conn;
-                */
                 xprt->mydata = this;
                 break;
         }
         case RPCSVC_EVENT_DISCONNECT:
-               /* conn = get_server_conn_state (this, xprt);
-                if (conn)
-                        destroy_server_conn_state (conn);
-                */
                 break;
+
         default:
                 break;
         }
@@ -263,7 +210,7 @@ init (xlator_t *this)
         gf_log (this->name, GF_LOG_NORMAL, "Using %s as working directory",
                 dirname);
 
-        
+
         rpc = rpcsvc_init (this->ctx, this->options);
         if (rpc == NULL) {
                 gf_log (this->name, GF_LOG_ERROR,
@@ -313,7 +260,7 @@ init (xlator_t *this)
 
         ret = glusterd_uuid_init ();
 
-        if (ret < 0) 
+        if (ret < 0)
                 goto out;
 
         glusterd_friend_sm_init ();
@@ -328,34 +275,10 @@ out:
 
 
 
-/*int
-glusterd_pollin (xlator_t *this, transport_t *trans)
-{
-        char                *hdr = NULL;
-        size_t               hdrlen = 0;
-        int                  ret = -1;
-        struct iobuf        *iobuf = NULL;
-
-
-        ret = transport_receive (trans, &hdr, &hdrlen, &iobuf);
-
-        if (ret == 0)
-                ret = glusterd_interpret (this, trans, hdr,
-                                          hdrlen, iobuf);
-
-        ret = glusterd_friend_sm ();
-
-        glusterd_op_sm ();
-
-        GF_FREE (hdr);
-
-        return ret;
-}
-*/
 
 /*
- * fini - finish function for server protocol, called before
- *        unloading server protocol.
+ * fini - finish function for glusterd, called before
+ *        unloading gluster.
  *
  * @this:
  *
@@ -373,7 +296,7 @@ out:
 }
 
 /*
- * server_protocol_notify - notify function for server protocol
+ * notify - notify function for glusterd
  * @this:
  * @trans:
  * @event:
@@ -393,12 +316,12 @@ notify (xlator_t *this, int32_t event, void *data, ...)
         }
 */
         switch (event) {
-        
+
                 case GF_EVENT_POLLIN:
           //              ret = glusterd_pollin (this, trans);
                         break;
 
-        
+
                 case GF_EVENT_POLLERR:
                         break;
 
@@ -408,49 +331,10 @@ notify (xlator_t *this, int32_t event, void *data, ...)
                 default:
                         default_notify (this, event, data);
                         break;
-        
-        }
-
-        return ret;
-}
-
-
-void
-glusterd_init (int signum)
-{
-        int ret = -1;
-
-        glusterfs_this_set ((xlator_t *)CTX->active);
 
-        ret = glusterd_probe_begin (NULL, "localhost");
-
-        if (!ret) {
-                ret = glusterd_friend_sm ();
-
-                glusterd_op_sm ();
-        }
-
-        gf_log ("glusterd", GF_LOG_WARNING, "ret = %d", ret);
-
-        //return 0;
-}
-
-void
-glusterd_op_init (int signum) 
-{
-        int     ret = -1;
-
-        glusterfs_this_set ((xlator_t *)CTX->active);
-
-        //ret = glusterd_create_volume ("vol1");
-
-/*        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
         }
-*/
 
-        gf_log ("glusterd", GF_LOG_WARNING, "ret = %d", ret);
+        return ret;
 }
 
 
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index b3d53244e..48fe0fc66 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -36,38 +36,14 @@
 #include "authenticate.h"
 #include "fd.h"
 #include "byte-order.h"
-//#include "protocol.h"
 #include "glusterd-mem-types.h"
 #include "rpcsvc.h"
+#include "glusterd-sm.h"
 #include "glusterd1.h"
 
 
-
-
-/*struct _glusterd_connection {
-	struct list_head    list;
-	char               *id;
-	int                 ref;
-        int                 active_transports;
-	pthread_mutex_t     lock;
-	char                disconnected;
-	xlator_t           *bound_xl;
-};
-
-typedef struct _glusterd_connection glusterd_connection_t;
-*/
-
-
-typedef enum glusterd_peer_state_ {
-        GD_PEER_STATE_NONE = 0,
-        GD_PEER_STATE_INBOUND,
-        GD_PEER_STATE_OUTBOUND,
-        GD_PEER_STATE_FRIEND
-} glusterd_peer_state_t;
-
-
-typedef struct glusterd_peer_state_info_ {
-        glusterd_peer_state_t   state;
+/*typedef struct glusterd_peer_state_info_ {
+        glusterd_friend_sm_state_t   state;
         struct timeval          transition_time;
 }glusterd_peer_state_info_t;
 
@@ -79,11 +55,11 @@ struct glusterd_peerinfo_ {
         int                             port;
         struct list_head                uuid_list;
         struct list_head                op_peers_list;
- //       struct list_head                pending_uuid;
         struct rpc_clnt                 *rpc;
 };
 
 typedef struct glusterd_peerinfo_ glusterd_peerinfo_t;
+*/
 
 typedef struct {
         struct _volfile_ctx *volfile;
@@ -142,12 +118,12 @@ int
 glusterd_xfer_friend_add_resp (rpcsvc_request_t *req, char *hostname);
 
 int
-glusterd_friend_find (uuid_t uuid, char *hostname, 
+glusterd_friend_find (uuid_t uuid, char *hostname,
                       glusterd_peerinfo_t **peerinfo);
 
 int
 glusterd_friend_add (const char *hoststr,
-                     glusterd_peer_state_t state,
+                     glusterd_friend_sm_state_t state,
                      uuid_t *uuid, struct rpc_clnt    *rpc,
                      glusterd_peerinfo_t **friend);
 /*
@@ -169,18 +145,18 @@ int
 glusterd_op_unlock_send_resp (rpcsvc_request_t *req, int32_t status);
 
 int
-glusterd_op_stage_send_resp (rpcsvc_request_t *req, 
+glusterd_op_stage_send_resp (rpcsvc_request_t *req,
                              int32_t op, int32_t status);
 
 int
-glusterd_op_commmit_send_resp (rpcsvc_request_t *req, 
+glusterd_op_commmit_send_resp (rpcsvc_request_t *req,
                                int32_t op, int32_t status);
 
 int32_t
 glusterd_create_volume (rpcsvc_request_t *req, dict_t *dict);
 
 int
-glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, 
+glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata,
                      rpc_clnt_event_t event,
                      void *data);
 int
@@ -211,8 +187,25 @@ int
 glusterd_xfer_cli_probe_resp (rpcsvc_request_t *req, int32_t op_ret,
                               int32_t op_errno, char *hostname);
 
-
 int
-glusterd_op_commit_send_resp (rpcsvc_request_t *req, 
+glusterd_op_commit_send_resp (rpcsvc_request_t *req,
                                int32_t op, int32_t status);
+
+int
+glusterd_xfer_friend_remove_resp (rpcsvc_request_t *req, char *hostname);
+
+int
+glusterd_deprobe_begin (rpcsvc_request_t *req, const char *hoststr);
+
+int
+glusterd_handle_cli_deprobe (rpcsvc_request_t *req);
+
+int
+glusterd_handle_incoming_unfriend_req (rpcsvc_request_t *req);
+
+int32_t
+glusterd_list_friends (rpcsvc_request_t *req, dict_t *dict, int32_t flags);
+
+int
+glusterd_handle_cli_list_friends (rpcsvc_request_t *req);
 #endif
diff --git a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c b/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
index d377f09ac..1bd33ad1e 100644
--- a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
+++ b/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
@@ -43,26 +43,18 @@ extern glusterd_op_info_t    opinfo;
 int
 glusterd_null (rpcsvc_request_t *req)
 {
-/*        gf_common_rsp rsp = {0,};
 
-        rsp.gfs_id = req->gfs_id;
-         //Accepted 
-        rsp.op_ret = 0;
-
-        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL,
-                             (gfs_serialize_t)xdr_serialize_common_rsp);
-*/
         return 0;
 }
 
 int
-glusterd3_1_probe_cbk (struct rpc_req *req, struct iovec *iov, 
+glusterd3_1_probe_cbk (struct rpc_req *req, struct iovec *iov,
                         int count, void *myframe)
 {
         gd1_mgmt_probe_rsp    rsp   = {{0},};
         glusterd_conf_t       *conf = NULL;
         int                   ret   = 0;
-        char                  str[50];
+        char                  str[50] = {0,};
         glusterd_peerinfo_t           *peerinfo = NULL;
         glusterd_peerinfo_t           *dup_peerinfo = NULL;
         glusterd_friend_sm_event_t    *event = NULL;
@@ -82,8 +74,8 @@ glusterd3_1_probe_cbk (struct rpc_req *req, struct iovec *iov,
         }
         uuid_unparse (rsp.uuid, str);
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received probe resp from uuid: %s, host: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received probe resp from uuid: %s, host: %s",
                 str, rsp.hostname);
 
         ret = glusterd_friend_find (rsp.uuid, rsp.hostname, &peerinfo);
@@ -105,7 +97,7 @@ glusterd3_1_probe_cbk (struct rpc_req *req, struct iovec *iov,
         GF_ASSERT (peerinfo->hostname);
         uuid_copy (peerinfo->uuid, rsp.uuid);
 
-        ret = glusterd_friend_sm_new_event 
+        ret = glusterd_friend_sm_new_event
                         (GD_FRIEND_EVENT_INIT_FRIEND_REQ, &event);
 
         if (ret) {
@@ -133,7 +125,7 @@ out:
 }
 
 int
-glusterd3_1_friend_add_cbk (struct rpc_req * req, struct iovec *iov, 
+glusterd3_1_friend_add_cbk (struct rpc_req * req, struct iovec *iov,
                             int count, void *myframe)
 {
         gd1_mgmt_friend_rsp           rsp   = {{0},};
@@ -166,8 +158,8 @@ glusterd3_1_friend_add_cbk (struct rpc_req * req, struct iovec *iov,
         op_ret = rsp.op_ret;
         op_errno = rsp.op_errno;
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received %s from uuid: %s, host: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received %s from uuid: %s, host: %s",
                 (op_ret)?"RJT":"ACC", str, rsp.hostname);
 
         ret = glusterd_friend_find (rsp.uuid, rsp.hostname, &peerinfo);
@@ -176,7 +168,7 @@ glusterd3_1_friend_add_cbk (struct rpc_req * req, struct iovec *iov,
                 GF_ASSERT (0);
         }
 
-        if (op_ret) 
+        if (op_ret)
                 event_type = GD_FRIEND_EVENT_RCVD_RJT;
         else
                 event_type = GD_FRIEND_EVENT_RCVD_ACC;
@@ -199,7 +191,7 @@ glusterd3_1_friend_add_cbk (struct rpc_req * req, struct iovec *iov,
 
         GF_ASSERT (ctx);
 
-        ret = glusterd_xfer_cli_probe_resp (ctx->req, op_ret, op_errno, 
+        ret = glusterd_xfer_cli_probe_resp (ctx->req, op_ret, op_errno,
                                             ctx->hostname);
         if (!ret) {
                 glusterd_friend_sm ();
@@ -210,8 +202,93 @@ out:
         return ret;
 }
 
+int
+glusterd3_1_friend_remove_cbk (struct rpc_req * req, struct iovec *iov,
+                               int count, void *myframe)
+{
+        gd1_mgmt_friend_rsp             rsp   = {{0},};
+        glusterd_conf_t                 *conf = NULL;
+        int                             ret   = -1;
+        glusterd_friend_sm_event_t      *event = NULL;
+        glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE;
+        glusterd_peerinfo_t             *peerinfo = NULL;
+        char                            str[50] = {0,};
+        int32_t                         op_ret = -1;
+        int32_t                         op_errno = -1;
+        glusterd_probe_ctx_t            *ctx = NULL;
+
+        conf  = THIS->private;
+        GF_ASSERT (conf);
+
+        ctx = ((call_frame_t *)myframe)->local;
+        GF_ASSERT (ctx);
+
+        if (-1 == req->rpc_status) {
+                rsp.op_ret   = -1;
+                rsp.op_errno = EINVAL;
+                goto respond;
+        }
+
+        ret = gd_xdr_to_mgmt_friend_req (*iov, &rsp);
+        if (ret < 0) {
+                gf_log ("", GF_LOG_ERROR, "error");
+                rsp.op_ret   = -1;
+                rsp.op_errno = EINVAL;
+                goto respond;
+        }
+        uuid_unparse (rsp.uuid, str);
+
+        op_ret = rsp.op_ret;
+        op_errno = rsp.op_errno;
+
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received %s from uuid: %s, host: %s",
+                (op_ret)?"RJT":"ACC", str, rsp.hostname);
+
+        if (op_ret)
+                goto respond;
+
+        ret = glusterd_friend_find (rsp.uuid, rsp.hostname, &peerinfo);
+
+        if (ret) {
+                GF_ASSERT (0);
+                goto respond;
+        }
+
+        event_type = GD_FRIEND_EVENT_REMOVE_FRIEND;
+
+        ret = glusterd_friend_sm_new_event (event_type, &event);
+
+        if (ret) {
+                gf_log ("glusterd", GF_LOG_ERROR,
+                         "Unable to get event");
+                goto respond;
+        }
+        event->peerinfo = peerinfo;
+
+        ret = glusterd_friend_sm_inject_event (event);
+
+        if (ret)
+                goto respond;
+
+        glusterd_friend_sm ();
+        glusterd_op_sm ();
+
+        return ret;
+
+respond:
+        ret = glusterd_xfer_cli_probe_resp (ctx->req, op_ret, op_errno,
+                                            ctx->hostname);
+        if (!ret) {
+                glusterd_friend_sm ();
+                glusterd_op_sm ();
+        }
+
+        return ret;
+}
+
 int32_t
-glusterd3_1_cluster_lock_cbk (struct rpc_req *req, struct iovec *iov, 
+glusterd3_1_cluster_lock_cbk (struct rpc_req *req, struct iovec *iov,
                               int count, void *myframe)
 {
         gd1_mgmt_cluster_lock_rsp     rsp   = {{0},};
@@ -240,8 +317,8 @@ glusterd3_1_cluster_lock_cbk (struct rpc_req *req, struct iovec *iov,
 
         op_ret = rsp.op_ret;
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received %s from uuid: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received %s from uuid: %s",
                 (op_ret)?"RJT":"ACC", str);
 
         ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
@@ -250,7 +327,7 @@ glusterd3_1_cluster_lock_cbk (struct rpc_req *req, struct iovec *iov,
                 GF_ASSERT (0);
         }
 
-        if (op_ret) 
+        if (op_ret)
                 event_type = GD_OP_EVENT_RCVD_RJT;
         else
                 event_type = GD_OP_EVENT_RCVD_ACC;
@@ -278,7 +355,7 @@ out:
 }
 
 int32_t
-glusterd3_1_cluster_unlock_cbk (struct rpc_req *req, struct iovec *iov, 
+glusterd3_1_cluster_unlock_cbk (struct rpc_req *req, struct iovec *iov,
                                  int count, void *myframe)
 {
         gd1_mgmt_cluster_lock_rsp     rsp   = {{0},};
@@ -308,8 +385,8 @@ glusterd3_1_cluster_unlock_cbk (struct rpc_req *req, struct iovec *iov,
 
         op_ret = rsp.op_ret;
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received %s from uuid: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received %s from uuid: %s",
                 (op_ret)?"RJT":"ACC", str);
 
         ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
@@ -318,7 +395,7 @@ glusterd3_1_cluster_unlock_cbk (struct rpc_req *req, struct iovec *iov,
                 GF_ASSERT (0);
         }
 
-        if (op_ret) 
+        if (op_ret)
                 event_type = GD_OP_EVENT_RCVD_RJT;
         else
                 event_type = GD_OP_EVENT_RCVD_ACC;
@@ -346,7 +423,7 @@ out:
 }
 
 int32_t
-glusterd3_1_stage_op_cbk (struct rpc_req *req, struct iovec *iov, 
+glusterd3_1_stage_op_cbk (struct rpc_req *req, struct iovec *iov,
                           int count, void *myframe)
 {
         gd1_mgmt_stage_op_rsp         rsp   = {{0},};
@@ -376,8 +453,8 @@ glusterd3_1_stage_op_cbk (struct rpc_req *req, struct iovec *iov,
 
         op_ret = rsp.op_ret;
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received %s from uuid: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received %s from uuid: %s",
                 (op_ret)?"RJT":"ACC", str);
 
         ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
@@ -386,7 +463,7 @@ glusterd3_1_stage_op_cbk (struct rpc_req *req, struct iovec *iov,
                 GF_ASSERT (0);
         }
 
-        if (op_ret) 
+        if (op_ret)
                 event_type = GD_OP_EVENT_RCVD_RJT;
         else
                 event_type = GD_OP_EVENT_RCVD_ACC;
@@ -414,7 +491,7 @@ out:
 }
 
 int32_t
-glusterd3_1_commit_op_cbk (struct rpc_req *req, struct iovec *iov, 
+glusterd3_1_commit_op_cbk (struct rpc_req *req, struct iovec *iov,
                           int count, void *myframe)
 {
         gd1_mgmt_commit_op_rsp         rsp   = {{0},};
@@ -444,8 +521,8 @@ glusterd3_1_commit_op_cbk (struct rpc_req *req, struct iovec *iov,
 
         op_ret = rsp.op_ret;
 
-        gf_log ("glusterd", GF_LOG_NORMAL, 
-                "Received %s from uuid: %s", 
+        gf_log ("glusterd", GF_LOG_NORMAL,
+                "Received %s from uuid: %s",
                 (op_ret)?"RJT":"ACC", str);
 
         ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
@@ -454,7 +531,7 @@ glusterd3_1_commit_op_cbk (struct rpc_req *req, struct iovec *iov,
                 GF_ASSERT (0);
         }
 
-        if (op_ret) 
+        if (op_ret)
                 event_type = GD_OP_EVENT_RCVD_RJT;
         else
                 event_type = GD_OP_EVENT_RCVD_ACC;
@@ -484,7 +561,7 @@ out:
 
 
 int32_t
-glusterd3_1_probe (call_frame_t *frame, xlator_t *this, 
+glusterd3_1_probe (call_frame_t *frame, xlator_t *this,
                    void *data)
 {
         gd1_mgmt_probe_req      req = {{0},};
@@ -508,7 +585,7 @@ glusterd3_1_probe (call_frame_t *frame, xlator_t *this,
         if (ret) {
                 //We should not reach this state ideally
                 GF_ASSERT (0);
-                goto out; 
+                goto out;
         }
 
         uuid_copy (req.uuid, priv->uuid);
@@ -526,7 +603,7 @@ out:
 
 
 int32_t
-glusterd3_1_friend_add (call_frame_t *frame, xlator_t *this, 
+glusterd3_1_friend_add (call_frame_t *frame, xlator_t *this,
                         void *data)
 {
         gd1_mgmt_friend_req     req = {{0},};
@@ -546,7 +623,7 @@ glusterd3_1_friend_add (call_frame_t *frame, xlator_t *this,
         priv = this->private;
 
         GF_ASSERT (priv);
-        
+
         ctx = event->ctx;
 
         peerinfo = event->peerinfo;
@@ -565,7 +642,47 @@ out:
 }
 
 int32_t
-glusterd3_1_cluster_lock (call_frame_t *frame, xlator_t *this, 
+glusterd3_1_friend_remove (call_frame_t *frame, xlator_t *this,
+                           void *data)
+{
+        gd1_mgmt_friend_req             req = {{0},};
+        int                             ret = 0;
+        glusterd_peerinfo_t             *peerinfo = NULL;
+        glusterd_conf_t                 *priv = NULL;
+        glusterd_friend_sm_event_t      *event = NULL;
+        glusterd_friend_req_ctx_t       *ctx = NULL;
+
+
+        if (!frame || !this || !data) {
+                ret = -1;
+                goto out;
+        }
+
+        event = data;
+        priv = this->private;
+
+        GF_ASSERT (priv);
+
+        ctx = event->ctx;
+
+        peerinfo = event->peerinfo;
+
+        uuid_copy (req.uuid, priv->uuid);
+        req.hostname = peerinfo->hostname;
+
+        ret = glusterd_submit_request (peerinfo, &req, frame, priv->mgmt,
+                                       GD_MGMT_FRIEND_REMOVE,
+                                       NULL, gd_xdr_from_mgmt_friend_req,
+                                       this, glusterd3_1_friend_remove_cbk);
+
+out:
+        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
+        return ret;
+}
+
+
+int32_t
+glusterd3_1_cluster_lock (call_frame_t *frame, xlator_t *this,
                            void *data)
 {
         gd1_mgmt_cluster_lock_req       req = {{0},};
@@ -587,7 +704,7 @@ glusterd3_1_cluster_lock (call_frame_t *frame, xlator_t *this,
         list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
                 GF_ASSERT (peerinfo);
 
-                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) 
+                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
                         continue;
 
                 dummy_frame = create_frame (this, this->ctx->pool);
@@ -595,9 +712,9 @@ glusterd3_1_cluster_lock (call_frame_t *frame, xlator_t *this,
                 if (!dummy_frame)
                         continue;
 
-                ret = glusterd_submit_request (peerinfo, &req, dummy_frame, 
+                ret = glusterd_submit_request (peerinfo, &req, dummy_frame,
                                         priv->mgmt, GD_MGMT_CLUSTER_LOCK,
-                                        NULL, 
+                                        NULL,
                                         gd_xdr_from_mgmt_cluster_lock_req,
                                         this, glusterd3_1_cluster_lock_cbk);
                 if (!ret)
@@ -615,7 +732,7 @@ out:
 }
 
 int32_t
-glusterd3_1_cluster_unlock (call_frame_t *frame, xlator_t *this, 
+glusterd3_1_cluster_unlock (call_frame_t *frame, xlator_t *this,
                             void *data)
 {
         gd1_mgmt_cluster_lock_req       req = {{0},};
@@ -638,7 +755,7 @@ glusterd3_1_cluster_unlock (call_frame_t *frame, xlator_t *this,
         list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
                 GF_ASSERT (peerinfo);
 
-                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) 
+                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
                         continue;
 
                 dummy_frame = create_frame (this, this->ctx->pool);
@@ -646,9 +763,9 @@ glusterd3_1_cluster_unlock (call_frame_t *frame, xlator_t *this,
                 if (!dummy_frame)
                         continue;
 
-                ret = glusterd_submit_request (peerinfo, &req, dummy_frame, 
+                ret = glusterd_submit_request (peerinfo, &req, dummy_frame,
                                         priv->mgmt, GD_MGMT_CLUSTER_UNLOCK,
-                                        NULL, 
+                                        NULL,
                                         gd_xdr_from_mgmt_cluster_unlock_req,
                                         this, glusterd3_1_cluster_unlock_cbk);
                 if (!ret)
@@ -667,7 +784,7 @@ out:
 }
 
 int32_t
-glusterd3_1_stage_op (call_frame_t *frame, xlator_t *this, 
+glusterd3_1_stage_op (call_frame_t *frame, xlator_t *this,
                       void *data)
 {
         gd1_mgmt_stage_op_req           *req = NULL;
@@ -697,13 +814,13 @@ glusterd3_1_stage_op (call_frame_t *frame, xlator_t *this,
                 //No pending ops, inject stage_acc
 
                 glusterd_op_sm_event_t  *event = NULL;
-        
-                ret = glusterd_op_sm_new_event (GD_OP_EVENT_STAGE_ACC, 
+
+                ret = glusterd_op_sm_new_event (GD_OP_EVENT_STAGE_ACC,
                                                 &event);
 
                 if (ret)
                         goto out;
-        
+
                 ret = glusterd_op_sm_inject_event (event);
 
                 return ret;
@@ -718,7 +835,7 @@ glusterd3_1_stage_op (call_frame_t *frame, xlator_t *this,
         list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
                 GF_ASSERT (peerinfo);
 
-                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) 
+                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
                         continue;
 
                 dummy_frame = create_frame (this, this->ctx->pool);
@@ -726,14 +843,14 @@ glusterd3_1_stage_op (call_frame_t *frame, xlator_t *this,
                 if (!dummy_frame)
                         continue;
 
-                ret = glusterd_submit_request (peerinfo, req, dummy_frame, 
+                ret = glusterd_submit_request (peerinfo, req, dummy_frame,
                                                 priv->mgmt, GD_MGMT_STAGE_OP,
-                                                NULL, 
+                                                NULL,
                                                 gd_xdr_from_mgmt_stage_op_req,
                                                 this, glusterd3_1_stage_op_cbk);
                 if (!ret)
                         pending_peer++;
-                //TODO: Instead of keeping count, maintain a list of pending 
+                //TODO: Instead of keeping count, maintain a list of pending
                 //UUIDs.
         }
 
@@ -747,7 +864,7 @@ out:
 }
 
 int32_t
-glusterd3_1_commit_op (call_frame_t *frame, xlator_t *this, 
+glusterd3_1_commit_op (call_frame_t *frame, xlator_t *this,
                       void *data)
 {
         gd1_mgmt_commit_op_req          *req = NULL;
@@ -777,13 +894,13 @@ glusterd3_1_commit_op (call_frame_t *frame, xlator_t *this,
                 //No pending ops, inject stage_acc
 
                 glusterd_op_sm_event_t  *event = NULL;
-        
-                ret = glusterd_op_sm_new_event (GD_OP_EVENT_COMMIT_ACC, 
+
+                ret = glusterd_op_sm_new_event (GD_OP_EVENT_COMMIT_ACC,
                                                 &event);
 
                 if (ret)
                         goto out;
-        
+
                 ret = glusterd_op_sm_inject_event (event);
 
                 return ret;
@@ -798,7 +915,7 @@ glusterd3_1_commit_op (call_frame_t *frame, xlator_t *this,
         list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
                 GF_ASSERT (peerinfo);
 
-                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) 
+                if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
                         continue;
 
                 dummy_frame = create_frame (this, this->ctx->pool);
@@ -806,14 +923,14 @@ glusterd3_1_commit_op (call_frame_t *frame, xlator_t *this,
                 if (!dummy_frame)
                         continue;
 
-                ret = glusterd_submit_request (peerinfo, req, dummy_frame, 
+                ret = glusterd_submit_request (peerinfo, req, dummy_frame,
                                                 priv->mgmt, GD_MGMT_COMMIT_OP,
-                                                NULL, 
+                                                NULL,
                                                 gd_xdr_from_mgmt_commit_op_req,
                                                 this, glusterd3_1_commit_op_cbk);
                 if (!ret)
                         pending_peer++;
-                //TODO: Instead of keeping count, maintain a list of pending 
+                //TODO: Instead of keeping count, maintain a list of pending
                 //UUIDs.
         }
 
@@ -869,6 +986,18 @@ glusterd_handle_rpc_msg (rpcsvc_request_t *req)
                         ret = glusterd_handle_create_volume (req);
                         break;
 
+                case GD_MGMT_CLI_DEPROBE:
+                        ret = glusterd_handle_cli_deprobe (req);
+                        break;
+
+                case GD_MGMT_FRIEND_REMOVE:
+                        ret = glusterd_handle_incoming_unfriend_req (req);
+                        break;
+
+                case GD_MGMT_CLI_LIST_FRIENDS:
+                        ret = glusterd_handle_cli_list_friends (req);
+                        break;
+
                 default:
                         GF_ASSERT (0);
         }
@@ -884,20 +1013,23 @@ glusterd_handle_rpc_msg (rpcsvc_request_t *req)
 
 rpcsvc_actor_t glusterd1_mgmt_actors[] = {
         [GD_MGMT_NULL]        = { "NULL",       GD_MGMT_NULL, glusterd_null, NULL, NULL},
-        [GD_MGMT_PROBE_QUERY] = { "PROBE_QUERY", GD_MGMT_PROBE_QUERY, glusterd_handle_rpc_msg, NULL, NULL}, 
-        [GD_MGMT_FRIEND_ADD] = { "FRIEND_ADD", GD_MGMT_FRIEND_ADD, glusterd_handle_rpc_msg, NULL, NULL}, 
+        [GD_MGMT_PROBE_QUERY] = { "PROBE_QUERY", GD_MGMT_PROBE_QUERY, glusterd_handle_rpc_msg, NULL, NULL},
+        [GD_MGMT_FRIEND_ADD] = { "FRIEND_ADD", GD_MGMT_FRIEND_ADD, glusterd_handle_rpc_msg, NULL, NULL},
+        [GD_MGMT_FRIEND_REMOVE] = { "FRIEND_REMOVE", GD_MGMT_FRIEND_REMOVE, glusterd_handle_rpc_msg, NULL, NULL},
         [GD_MGMT_CLUSTER_LOCK] = { "CLUSTER_LOCK", GD_MGMT_CLUSTER_LOCK, glusterd_handle_rpc_msg, NULL, NULL},
         [GD_MGMT_CLUSTER_UNLOCK] = { "CLUSTER_UNLOCK", GD_MGMT_CLUSTER_UNLOCK, glusterd_handle_rpc_msg, NULL, NULL},
         [GD_MGMT_STAGE_OP] = { "STAGE_OP", GD_MGMT_STAGE_OP, glusterd_handle_rpc_msg, NULL, NULL},
         [GD_MGMT_COMMIT_OP] = { "COMMIT_OP", GD_MGMT_COMMIT_OP, glusterd_handle_rpc_msg, NULL, NULL},
         [GD_MGMT_CLI_PROBE] = { "CLI_PROBE", GD_MGMT_CLI_PROBE, glusterd_handle_rpc_msg, NULL, NULL},
         [GD_MGMT_CLI_CREATE_VOLUME] = { "CLI_CREATE_VOLUME", GD_MGMT_CLI_CREATE_VOLUME, glusterd_handle_rpc_msg, NULL, NULL},
+        [GD_MGMT_CLI_DEPROBE] = { "FRIEND_REMOVE", GD_MGMT_CLI_DEPROBE, glusterd_handle_rpc_msg, NULL, NULL},
+        [GD_MGMT_CLI_LIST_FRIENDS] = { "LIST_FRIENDS", GD_MGMT_CLI_LIST_FRIENDS, glusterd_handle_rpc_msg, NULL, NULL},
 };
 
 /*rpcsvc_actor_t glusterd1_mgmt_actors[] = {
         [GD_MGMT_NULL]        = { "NULL",       GD_MGMT_NULL, glusterd_null, NULL, NULL},
-        [GD_MGMT_PROBE_QUERY] = { "PROBE_QUERY", GD_MGMT_PROBE_QUERY, glusterd_handle_probe_query, NULL, NULL}, 
-        [GD_MGMT_FRIEND_ADD] = { "FRIEND_ADD", GD_MGMT_FRIEND_ADD, glusterd_handle_incoming_friend_req, NULL, NULL}, 
+        [GD_MGMT_PROBE_QUERY] = { "PROBE_QUERY", GD_MGMT_PROBE_QUERY, glusterd_handle_probe_query, NULL, NULL},
+        [GD_MGMT_FRIEND_ADD] = { "FRIEND_ADD", GD_MGMT_FRIEND_ADD, glusterd_handle_incoming_friend_req, NULL, NULL},
         [GD_MGMT_CLUSTER_LOCK] = { "CLUSTER_LOCK", GD_MGMT_CLUSTER_LOCK, glusterd_handle_cluster_lock, NULL, NULL},
         [GD_MGMT_CLUSTER_UNLOCK] = { "CLUSTER_UNLOCK", GD_MGMT_CLUSTER_UNLOCK, glusterd_handle_cluster_unlock, NULL, NULL},
         [GD_MGMT_STAGE_OP] = { "STAGE_OP", GD_MGMT_STAGE_OP, glusterd_handle_stage_op, NULL, NULL},
@@ -924,6 +1056,7 @@ struct rpc_clnt_procedure glusterd3_1_clnt_mgmt_actors[GD_MGMT_MAXVALUE] = {
         [GD_MGMT_CLUSTER_UNLOCK] = {"CLUSTER_UNLOCK", glusterd3_1_cluster_unlock},
         [GD_MGMT_STAGE_OP] = {"STAGE_OP", glusterd3_1_stage_op},
         [GD_MGMT_COMMIT_OP] = {"COMMIT_OP", glusterd3_1_commit_op},
+        [GD_MGMT_FRIEND_REMOVE]  = { "FRIEND_REMOVE",  glusterd3_1_friend_remove},
 //        [GF_FOP_GETSPEC]     = { "GETSPEC",   client_getspec, client_getspec_cbk },
 };
 
diff --git a/xlators/protocol/lib/src/cli-xdr.c b/xlators/protocol/lib/src/cli-xdr.c
index c6a351b12..ba9565261 100644
--- a/xlators/protocol/lib/src/cli-xdr.c
+++ b/xlators/protocol/lib/src/cli-xdr.c
@@ -36,6 +36,12 @@ gf_xdr_to_cli_probe_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_probe_req);
 }
 
+ssize_t
+gf_xdr_to_cli_probe_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_probe_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_probe_req (struct iovec outmsg, void *req)
@@ -44,8 +50,64 @@ gf_xdr_from_cli_probe_req (struct iovec outmsg, void *req)
                                       (xdrproc_t)xdr_gf1_cli_probe_req);
 }
 
+ssize_t
+gf_xdr_serialize_cli_deprobe_rsp (struct iovec outmsg, void *rsp)
+{
+        return xdr_serialize_generic (outmsg, (void *)rsp,
+                                      (xdrproc_t)xdr_gf1_cli_deprobe_rsp);
+
+}
+
+ssize_t
+gf_xdr_to_cli_deprobe_req (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_deprobe_req);
+}
+
+ssize_t
+gf_xdr_to_cli_deprobe_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_deprobe_rsp);
+}
+
+ssize_t
+gf_xdr_from_cli_deprobe_req (struct iovec outmsg, void *req)
+{
+        return xdr_serialize_generic (outmsg, (void *)req,
+                                      (xdrproc_t)xdr_gf1_cli_deprobe_req);
+}
+
+ssize_t
+gf_xdr_serialize_cli_peer_list_rsp (struct iovec outmsg, void *rsp)
+{
+        return xdr_serialize_generic (outmsg, (void *)rsp,
+                                      (xdrproc_t)xdr_gf1_cli_peer_list_rsp);
+
+}
+
+ssize_t
+gf_xdr_to_cli_peer_list_req (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_peer_list_req);
+}
+
+ssize_t
+gf_xdr_to_cli_peer_list_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_peer_list_rsp);
+}
 
 ssize_t
+gf_xdr_from_cli_peer_list_req (struct iovec outmsg, void *req)
+{
+        return xdr_serialize_generic (outmsg, (void *)req,
+                                      (xdrproc_t)xdr_gf1_cli_peer_list_req);
+}
+ssize_t
 gf_xdr_serialize_cli_create_vol_rsp (struct iovec outmsg, void *rsp)
 {
         return xdr_serialize_generic (outmsg, (void *)rsp,
@@ -60,6 +122,12 @@ gf_xdr_to_cli_create_vol_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_create_vol_req);
 }
 
+ssize_t
+gf_xdr_to_cli_create_vol_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_create_vol_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_create_vol_req (struct iovec outmsg, void *req)
@@ -86,6 +154,13 @@ gf_xdr_to_cli_delete_vol_req (struct iovec inmsg, void *args)
 
 
 ssize_t
+gf_xdr_to_cli_delete_vol_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_delete_vol_rsp);
+}
+
+ssize_t
 gf_xdr_from_cli_delete_vol_req (struct iovec outmsg, void *req)
 {
         return xdr_serialize_generic (outmsg, (void *)req,
@@ -107,6 +182,12 @@ gf_xdr_to_cli_start_vol_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_start_vol_req);
 }
 
+ssize_t
+gf_xdr_to_cli_start_vol_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_start_vol_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_start_vol_req (struct iovec outmsg, void *req)
@@ -131,6 +212,12 @@ gf_xdr_to_cli_stop_vol_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_stop_vol_req);
 }
 
+ssize_t
+gf_xdr_to_cli_stop_vol_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_stop_vol_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_stop_vol_req (struct iovec outmsg, void *req)
@@ -155,6 +242,12 @@ gf_xdr_to_cli_rename_vol_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_rename_vol_req);
 }
 
+ssize_t
+gf_xdr_to_cli_rename_vol_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_rename_vol_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_rename_vol_req (struct iovec outmsg, void *req)
@@ -173,13 +266,19 @@ gf_xdr_serialize_cli_defrag_vol_rsp (struct iovec outmsg, void *rsp)
 }
 
 ssize_t
+gf_xdr_to_cli_defrag_vol_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_defrag_vol_rsp);
+}
+
+ssize_t
 gf_xdr_to_cli_defrag_vol_req (struct iovec inmsg, void *args)
 {
         return xdr_to_generic (inmsg, (void *)args,
                                (xdrproc_t)xdr_gf1_cli_defrag_vol_req);
 }
 
-
 ssize_t
 gf_xdr_from_cli_defrag_vol_req (struct iovec outmsg, void *req)
 {
@@ -204,6 +303,12 @@ gf_xdr_to_cli_add_brick_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_add_brick_req);
 }
 
+ssize_t
+gf_xdr_to_cli_add_brick_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_add_brick_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_add_brick_req (struct iovec outmsg, void *req)
@@ -230,6 +335,13 @@ gf_xdr_to_cli_remove_brick_req (struct iovec inmsg, void *args)
 
 
 ssize_t
+gf_xdr_to_cli_remove_brick_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_remove_brick_rsp);
+}
+
+ssize_t
 gf_xdr_from_cli_remove_brick_req (struct iovec outmsg, void *req)
 {
         return xdr_serialize_generic (outmsg, (void *)req,
@@ -252,6 +364,12 @@ gf_xdr_to_cli_replace_brick_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_replace_brick_req);
 }
 
+ssize_t
+gf_xdr_to_cli_replace_brick_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_replace_brick_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_replace_brick_req (struct iovec outmsg, void *req)
@@ -275,6 +393,12 @@ gf_xdr_to_cli_set_vol_req (struct iovec inmsg, void *args)
                                (xdrproc_t)xdr_gf1_cli_set_vol_req);
 }
 
+ssize_t
+gf_xdr_to_cli_set_vol_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_set_vol_rsp);
+}
 
 ssize_t
 gf_xdr_from_cli_set_vol_req (struct iovec outmsg, void *req)
diff --git a/xlators/protocol/lib/src/cli-xdr.h b/xlators/protocol/lib/src/cli-xdr.h
index 9705071ba..2ec4f9524 100644
--- a/xlators/protocol/lib/src/cli-xdr.h
+++ b/xlators/protocol/lib/src/cli-xdr.h
@@ -33,86 +33,140 @@ ssize_t
 gf_xdr_to_cli_probe_req (struct iovec inmsg, void *args);
 
 ssize_t
+gf_xdr_to_cli_probe_rsp (struct iovec inmsg, void *args);
+
+ssize_t
 gf_xdr_from_cli_probe_req (struct iovec outmsg, void *req);
 
 ssize_t
+gf_xdr_serialize_cli_deprobe_rsp (struct iovec outmsg, void *rsp);
+
+ssize_t
+gf_xdr_to_cli_deprobe_req (struct iovec inmsg, void *args);
+
+ssize_t
+gf_xdr_to_cli_deprobe_rsp (struct iovec inmsg, void *args);
+
+ssize_t
+gf_xdr_from_cli_deprobe_req (struct iovec outmsg, void *req);
+
+ssize_t
+gf_xdr_serialize_cli_peer_list_rsp (struct iovec outmsg, void *rsp);
+
+ssize_t
+gf_xdr_to_cli_peer_list_req (struct iovec inmsg, void *args);
+
+ssize_t
+gf_xdr_to_cli_peer_list_rsp (struct iovec inmsg, void *args);
+
+ssize_t
+gf_xdr_from_cli_peer_list_req (struct iovec outmsg, void *req);
+
+ssize_t
 gf_xdr_serialize_cli_create_vol_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_create_vol_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_create_vol_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_create_vol_req (struct iovec outmsg, void *req);
-  
+
 ssize_t
 gf_xdr_serialize_cli_delete_vol_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_delete_vol_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_delete_vol_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_delete_vol_req (struct iovec outmsg, void *req);
-  
+
 ssize_t
 gf_xdr_serialize_cli_start_vol_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_start_vol_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_start_vol_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_start_vol_req (struct iovec outmsg, void *req);
-  
+
 ssize_t
 gf_xdr_serialize_cli_stop_vol_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_stop_vol_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_stop_vol_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_stop_vol_req (struct iovec outmsg, void *req);
-  
+
 ssize_t
 gf_xdr_serialize_cli_rename_vol_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_rename_vol_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_rename_vol_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_rename_vol_req (struct iovec outmsg, void *req);
-  
+
 ssize_t
 gf_xdr_serialize_cli_defrag_vol_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_defrag_vol_req (struct iovec inmsg, void *args);
-  
+
 ssize_t
 gf_xdr_from_cli_defrag_vol_req (struct iovec outmsg, void *req);
-  
+
+ssize_t
+gf_xdr_to_cli_defrag_vol_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_serialize_cli_add_brick_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_add_brick_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_add_brick_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_add_brick_req (struct iovec outmsg, void *req);
-  
+
 ssize_t
 gf_xdr_serialize_cli_remove_brick_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_remove_brick_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_remove_brick_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_remove_brick_req (struct iovec outmsg, void *req);
-  
+
 ssize_t
 gf_xdr_serialize_cli_replace_brick_rsp (struct iovec outmsg, void *rsp);
-  
+
 ssize_t
 gf_xdr_to_cli_replace_brick_req (struct iovec inmsg, void *args);
-  
+
+ssize_t
+gf_xdr_to_cli_replace_brick_rsp (struct iovec inmsg, void *args);
+
 ssize_t
 gf_xdr_from_cli_replace_brick_req (struct iovec outmsg, void *req);
 
@@ -122,6 +176,8 @@ gf_xdr_serialize_cli_set_vol_rsp (struct iovec outmsg, void *rsp);
 ssize_t
 gf_xdr_to_cli_set_vol_req (struct iovec inmsg, void *args);
 
+ssize_t
+gf_xdr_to_cli_set_vol_rsp (struct iovec inmsg, void *args);
 
 ssize_t
 gf_xdr_from_cli_set_vol_req (struct iovec outmsg, void *req);
diff --git a/xlators/protocol/lib/src/gluster1.h b/xlators/protocol/lib/src/gluster1.h
index 359fdcf42..81948b34a 100644
--- a/xlators/protocol/lib/src/gluster1.h
+++ b/xlators/protocol/lib/src/gluster1.h
@@ -31,6 +31,11 @@ enum gf1_cli_replace_op {
 };
 typedef enum gf1_cli_replace_op gf1_cli_replace_op;
 
+enum gf1_cli_enum_friends_list {
+	GF_CLI_LIST_ALL = 1,
+};
+typedef enum gf1_cli_enum_friends_list gf1_cli_enum_friends_list;
+
 struct gf1_cli_probe_req {
 	char *hostname;
 };
@@ -43,6 +48,37 @@ struct gf1_cli_probe_rsp {
 };
 typedef struct gf1_cli_probe_rsp gf1_cli_probe_rsp;
 
+struct gf1_cli_deprobe_req {
+	char *hostname;
+};
+typedef struct gf1_cli_deprobe_req gf1_cli_deprobe_req;
+
+struct gf1_cli_deprobe_rsp {
+	int op_ret;
+	int op_errno;
+	char *hostname;
+};
+typedef struct gf1_cli_deprobe_rsp gf1_cli_deprobe_rsp;
+
+struct gf1_cli_peer_list_req {
+	int flags;
+	struct {
+		u_int dict_len;
+		char *dict_val;
+	} dict;
+};
+typedef struct gf1_cli_peer_list_req gf1_cli_peer_list_req;
+
+struct gf1_cli_peer_list_rsp {
+	int op_ret;
+	int op_errno;
+	struct {
+		u_int friends_len;
+		char *friends_val;
+	} friends;
+};
+typedef struct gf1_cli_peer_list_rsp gf1_cli_peer_list_rsp;
+
 struct gf1_cli_create_vol_req {
 	char *volname;
 	gf1_cluster_type type;
@@ -200,8 +236,13 @@ typedef struct gf1_cli_set_vol_rsp gf1_cli_set_vol_rsp;
 #if defined(__STDC__) || defined(__cplusplus)
 extern  bool_t xdr_gf1_cluster_type (XDR *, gf1_cluster_type*);
 extern  bool_t xdr_gf1_cli_replace_op (XDR *, gf1_cli_replace_op*);
+extern  bool_t xdr_gf1_cli_enum_friends_list (XDR *, gf1_cli_enum_friends_list*);
 extern  bool_t xdr_gf1_cli_probe_req (XDR *, gf1_cli_probe_req*);
 extern  bool_t xdr_gf1_cli_probe_rsp (XDR *, gf1_cli_probe_rsp*);
+extern  bool_t xdr_gf1_cli_deprobe_req (XDR *, gf1_cli_deprobe_req*);
+extern  bool_t xdr_gf1_cli_deprobe_rsp (XDR *, gf1_cli_deprobe_rsp*);
+extern  bool_t xdr_gf1_cli_peer_list_req (XDR *, gf1_cli_peer_list_req*);
+extern  bool_t xdr_gf1_cli_peer_list_rsp (XDR *, gf1_cli_peer_list_rsp*);
 extern  bool_t xdr_gf1_cli_create_vol_req (XDR *, gf1_cli_create_vol_req*);
 extern  bool_t xdr_gf1_cli_create_vol_rsp (XDR *, gf1_cli_create_vol_rsp*);
 extern  bool_t xdr_gf1_cli_delete_vol_req (XDR *, gf1_cli_delete_vol_req*);
@@ -226,8 +267,13 @@ extern  bool_t xdr_gf1_cli_set_vol_rsp (XDR *, gf1_cli_set_vol_rsp*);
 #else /* K&R C */
 extern bool_t xdr_gf1_cluster_type ();
 extern bool_t xdr_gf1_cli_replace_op ();
+extern bool_t xdr_gf1_cli_enum_friends_list ();
 extern bool_t xdr_gf1_cli_probe_req ();
 extern bool_t xdr_gf1_cli_probe_rsp ();
+extern bool_t xdr_gf1_cli_deprobe_req ();
+extern bool_t xdr_gf1_cli_deprobe_rsp ();
+extern bool_t xdr_gf1_cli_peer_list_req ();
+extern bool_t xdr_gf1_cli_peer_list_rsp ();
 extern bool_t xdr_gf1_cli_create_vol_req ();
 extern bool_t xdr_gf1_cli_create_vol_rsp ();
 extern bool_t xdr_gf1_cli_delete_vol_req ();
diff --git a/xlators/protocol/lib/src/gluster1.x b/xlators/protocol/lib/src/gluster1.x
index 1fe7ef14f..a8af1b7d6 100644
--- a/xlators/protocol/lib/src/gluster1.x
+++ b/xlators/protocol/lib/src/gluster1.x
@@ -13,6 +13,10 @@
         GF_REPLACE_OP_STATUS
 } ;
 
+enum gf1_cli_enum_friends_list {
+        GF_CLI_LIST_ALL = 1
+} ;
+
  struct gf1_cli_probe_req {
         string  hostname<>;
 }  ;
@@ -23,6 +27,27 @@
         string  hostname<>;
 }  ;
 
+ struct gf1_cli_deprobe_req {
+        string  hostname<>;
+}  ;
+
+ struct gf1_cli_deprobe_rsp {
+        int     op_ret;
+        int     op_errno;
+        string  hostname<>;
+}  ;
+
+struct gf1_cli_peer_list_req {
+        int     flags;
+        opaque  dict<>;
+}  ;
+
+struct gf1_cli_peer_list_rsp {
+        int     op_ret;
+        int     op_errno;
+        opaque  friends<>;
+} ;
+
  struct gf1_cli_create_vol_req {
         string  volname<>;
         gf1_cluster_type type;
@@ -39,7 +64,7 @@
  struct gf1_cli_delete_vol_req {
         string volname<>;
 }  ;
-        
+
  struct gf1_cli_delete_vol_rsp {
         int     op_ret;
         int     op_errno;
diff --git a/xlators/protocol/lib/src/gluster1_xdr.c b/xlators/protocol/lib/src/gluster1_xdr.c
index 2cd83315a..9a44b9989 100644
--- a/xlators/protocol/lib/src/gluster1_xdr.c
+++ b/xlators/protocol/lib/src/gluster1_xdr.c
@@ -8,6 +8,7 @@
 bool_t
 xdr_gf1_cluster_type (XDR *xdrs, gf1_cluster_type *objp)
 {
+
 	 if (!xdr_enum (xdrs, (enum_t *) objp))
 		 return FALSE;
 	return TRUE;
@@ -16,6 +17,16 @@ xdr_gf1_cluster_type (XDR *xdrs, gf1_cluster_type *objp)
 bool_t
 xdr_gf1_cli_replace_op (XDR *xdrs, gf1_cli_replace_op *objp)
 {
+
+	 if (!xdr_enum (xdrs, (enum_t *) objp))
+		 return FALSE;
+	return TRUE;
+}
+
+bool_t
+xdr_gf1_cli_enum_friends_list (XDR *xdrs, gf1_cli_enum_friends_list *objp)
+{
+
 	 if (!xdr_enum (xdrs, (enum_t *) objp))
 		 return FALSE;
 	return TRUE;
@@ -24,6 +35,7 @@ xdr_gf1_cli_replace_op (XDR *xdrs, gf1_cli_replace_op *objp)
 bool_t
 xdr_gf1_cli_probe_req (XDR *xdrs, gf1_cli_probe_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->hostname, ~0))
 		 return FALSE;
 	return TRUE;
@@ -32,6 +44,29 @@ xdr_gf1_cli_probe_req (XDR *xdrs, gf1_cli_probe_req *objp)
 bool_t
 xdr_gf1_cli_probe_rsp (XDR *xdrs, gf1_cli_probe_rsp *objp)
 {
+
+	 if (!xdr_int (xdrs, &objp->op_ret))
+		 return FALSE;
+	 if (!xdr_int (xdrs, &objp->op_errno))
+		 return FALSE;
+	 if (!xdr_string (xdrs, &objp->hostname, ~0))
+		 return FALSE;
+	return TRUE;
+}
+
+bool_t
+xdr_gf1_cli_deprobe_req (XDR *xdrs, gf1_cli_deprobe_req *objp)
+{
+
+	 if (!xdr_string (xdrs, &objp->hostname, ~0))
+		 return FALSE;
+	return TRUE;
+}
+
+bool_t
+xdr_gf1_cli_deprobe_rsp (XDR *xdrs, gf1_cli_deprobe_rsp *objp)
+{
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -42,8 +77,33 @@ xdr_gf1_cli_probe_rsp (XDR *xdrs, gf1_cli_probe_rsp *objp)
 }
 
 bool_t
+xdr_gf1_cli_peer_list_req (XDR *xdrs, gf1_cli_peer_list_req *objp)
+{
+
+	 if (!xdr_int (xdrs, &objp->flags))
+		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
+		 return FALSE;
+	return TRUE;
+}
+
+bool_t
+xdr_gf1_cli_peer_list_rsp (XDR *xdrs, gf1_cli_peer_list_rsp *objp)
+{
+
+	 if (!xdr_int (xdrs, &objp->op_ret))
+		 return FALSE;
+	 if (!xdr_int (xdrs, &objp->op_errno))
+		 return FALSE;
+	 if (!xdr_bytes (xdrs, (char **)&objp->friends.friends_val, (u_int *) &objp->friends.friends_len, ~0))
+		 return FALSE;
+	return TRUE;
+}
+
+bool_t
 xdr_gf1_cli_create_vol_req (XDR *xdrs, gf1_cli_create_vol_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	 if (!xdr_gf1_cluster_type (xdrs, &objp->type))
@@ -58,6 +118,7 @@ xdr_gf1_cli_create_vol_req (XDR *xdrs, gf1_cli_create_vol_req *objp)
 bool_t
 xdr_gf1_cli_create_vol_rsp (XDR *xdrs, gf1_cli_create_vol_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -70,6 +131,7 @@ xdr_gf1_cli_create_vol_rsp (XDR *xdrs, gf1_cli_create_vol_rsp *objp)
 bool_t
 xdr_gf1_cli_delete_vol_req (XDR *xdrs, gf1_cli_delete_vol_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	return TRUE;
@@ -78,6 +140,7 @@ xdr_gf1_cli_delete_vol_req (XDR *xdrs, gf1_cli_delete_vol_req *objp)
 bool_t
 xdr_gf1_cli_delete_vol_rsp (XDR *xdrs, gf1_cli_delete_vol_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -90,6 +153,7 @@ xdr_gf1_cli_delete_vol_rsp (XDR *xdrs, gf1_cli_delete_vol_rsp *objp)
 bool_t
 xdr_gf1_cli_start_vol_req (XDR *xdrs, gf1_cli_start_vol_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	return TRUE;
@@ -98,6 +162,7 @@ xdr_gf1_cli_start_vol_req (XDR *xdrs, gf1_cli_start_vol_req *objp)
 bool_t
 xdr_gf1_cli_start_vol_rsp (XDR *xdrs, gf1_cli_start_vol_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -110,6 +175,7 @@ xdr_gf1_cli_start_vol_rsp (XDR *xdrs, gf1_cli_start_vol_rsp *objp)
 bool_t
 xdr_gf1_cli_stop_vol_req (XDR *xdrs, gf1_cli_stop_vol_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	return TRUE;
@@ -118,6 +184,7 @@ xdr_gf1_cli_stop_vol_req (XDR *xdrs, gf1_cli_stop_vol_req *objp)
 bool_t
 xdr_gf1_cli_stop_vol_rsp (XDR *xdrs, gf1_cli_stop_vol_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -130,6 +197,7 @@ xdr_gf1_cli_stop_vol_rsp (XDR *xdrs, gf1_cli_stop_vol_rsp *objp)
 bool_t
 xdr_gf1_cli_rename_vol_req (XDR *xdrs, gf1_cli_rename_vol_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->old_volname, ~0))
 		 return FALSE;
 	 if (!xdr_string (xdrs, &objp->new_volname, ~0))
@@ -140,6 +208,7 @@ xdr_gf1_cli_rename_vol_req (XDR *xdrs, gf1_cli_rename_vol_req *objp)
 bool_t
 xdr_gf1_cli_rename_vol_rsp (XDR *xdrs, gf1_cli_rename_vol_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -152,6 +221,7 @@ xdr_gf1_cli_rename_vol_rsp (XDR *xdrs, gf1_cli_rename_vol_rsp *objp)
 bool_t
 xdr_gf1_cli_defrag_vol_req (XDR *xdrs, gf1_cli_defrag_vol_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	return TRUE;
@@ -160,6 +230,7 @@ xdr_gf1_cli_defrag_vol_req (XDR *xdrs, gf1_cli_defrag_vol_req *objp)
 bool_t
 xdr_gf1_cli_defrag_vol_rsp (XDR *xdrs, gf1_cli_defrag_vol_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -172,6 +243,7 @@ xdr_gf1_cli_defrag_vol_rsp (XDR *xdrs, gf1_cli_defrag_vol_rsp *objp)
 bool_t
 xdr_gf1_cli_add_brick_req (XDR *xdrs, gf1_cli_add_brick_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	 if (!xdr_gf1_cluster_type (xdrs, &objp->type))
@@ -186,6 +258,7 @@ xdr_gf1_cli_add_brick_req (XDR *xdrs, gf1_cli_add_brick_req *objp)
 bool_t
 xdr_gf1_cli_add_brick_rsp (XDR *xdrs, gf1_cli_add_brick_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -198,6 +271,7 @@ xdr_gf1_cli_add_brick_rsp (XDR *xdrs, gf1_cli_add_brick_rsp *objp)
 bool_t
 xdr_gf1_cli_remove_brick_req (XDR *xdrs, gf1_cli_remove_brick_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	 if (!xdr_gf1_cluster_type (xdrs, &objp->type))
@@ -212,6 +286,7 @@ xdr_gf1_cli_remove_brick_req (XDR *xdrs, gf1_cli_remove_brick_req *objp)
 bool_t
 xdr_gf1_cli_remove_brick_rsp (XDR *xdrs, gf1_cli_remove_brick_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -224,6 +299,7 @@ xdr_gf1_cli_remove_brick_rsp (XDR *xdrs, gf1_cli_remove_brick_rsp *objp)
 bool_t
 xdr_gf1_cli_replace_brick_req (XDR *xdrs, gf1_cli_replace_brick_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	 if (!xdr_gf1_cli_replace_op (xdrs, &objp->op))
@@ -238,6 +314,7 @@ xdr_gf1_cli_replace_brick_req (XDR *xdrs, gf1_cli_replace_brick_req *objp)
 bool_t
 xdr_gf1_cli_replace_brick_rsp (XDR *xdrs, gf1_cli_replace_brick_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
@@ -250,6 +327,7 @@ xdr_gf1_cli_replace_brick_rsp (XDR *xdrs, gf1_cli_replace_brick_rsp *objp)
 bool_t
 xdr_gf1_cli_set_vol_req (XDR *xdrs, gf1_cli_set_vol_req *objp)
 {
+
 	 if (!xdr_string (xdrs, &objp->volname, ~0))
 		 return FALSE;
 	 if (!xdr_bytes (xdrs, (char **)&objp->dict.dict_val, (u_int *) &objp->dict.dict_len, ~0))
@@ -260,6 +338,7 @@ xdr_gf1_cli_set_vol_req (XDR *xdrs, gf1_cli_set_vol_req *objp)
 bool_t
 xdr_gf1_cli_set_vol_rsp (XDR *xdrs, gf1_cli_set_vol_rsp *objp)
 {
+
 	 if (!xdr_int (xdrs, &objp->op_ret))
 		 return FALSE;
 	 if (!xdr_int (xdrs, &objp->op_errno))
diff --git a/xlators/protocol/lib/src/protocol-common.h b/xlators/protocol/lib/src/protocol-common.h
index 0cb62426c..c4fc12a70 100644
--- a/xlators/protocol/lib/src/protocol-common.h
+++ b/xlators/protocol/lib/src/protocol-common.h
@@ -83,7 +83,10 @@ enum gf_mgmt_procnum {
         GD_MGMT_CLUSTER_UNLOCK,
         GD_MGMT_STAGE_OP,
         GD_MGMT_COMMIT_OP,
+        GD_MGMT_FRIEND_REMOVE,
         GD_MGMT_CLI_PROBE,
+        GD_MGMT_CLI_DEPROBE,
+        GD_MGMT_CLI_LIST_FRIENDS,
         GD_MGMT_CLI_CREATE_VOLUME,
         GD_MGMT_CLI_GET_VOLUME,
         GD_MGMT_CLI_DELETE_VOLUME,
@@ -101,6 +104,8 @@ enum gf_mgmt_procnum {
 enum gf_cli_procnum {
         GF1_CLI_NULL = GD_MGMT_MAXVALUE+1,    /* 0 */
         GF1_CLI_PROBE,
+        GF1_CLI_DEPROBE,
+        GF1_CLI_LIST_FRIENDS,
         GF1_CLI_CREATE_VOLUME,
         GF1_CLI_GET_VOLUME,
         GF1_CLI_DELETE_VOLUME,