summaryrefslogtreecommitdiffstats
path: root/xlators/mgmt/glusterd/src/glusterd-rebalance.c
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-rebalance.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-rebalance.c111
1 files changed, 79 insertions, 32 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-rebalance.c b/xlators/mgmt/glusterd/src/glusterd-rebalance.c
index 6acfc18da77..598c0555c24 100644
--- a/xlators/mgmt/glusterd/src/glusterd-rebalance.c
+++ b/xlators/mgmt/glusterd/src/glusterd-rebalance.c
@@ -265,7 +265,8 @@ glusterd_handle_defrag_start (glusterd_volinfo_t *volinfo, char *op_errstr,
priv);
snprintf (logfile, PATH_MAX, "%s/%s-%s-%s.log",
DEFAULT_LOG_FILE_DIRECTORY, volinfo->volname,
- (cmd == GF_DEFRAG_CMD_START_TIER ? "tier":"rebalance"),
+ (cmd == GF_DEFRAG_CMD_START_TIER ?
+ "tier":"rebalance"),
uuid_utoa(MY_UUID));
} else {
@@ -600,6 +601,7 @@ glusterd_op_stage_rebalance (dict_t *dict, char **op_errstr)
char *task_id_str = NULL;
dict_t *op_ctx = NULL;
xlator_t *this = 0;
+ int32_t is_force = 0;
this = THIS;
GF_ASSERT (this);
@@ -624,16 +626,20 @@ glusterd_op_stage_rebalance (dict_t *dict, char **op_errstr)
}
switch (cmd) {
case GF_DEFRAG_CMD_START_TIER:
+ ret = dict_get_int32 (dict, "force", &is_force);
+ if (ret)
+ is_force = 0;
+
if (volinfo->type != GF_CLUSTER_TYPE_TIER) {
gf_asprintf (op_errstr, "volume %s is not a tier "
"volume.", volinfo->volname);
ret = -1;
goto out;
}
- if (glusterd_is_tier_daemon_running (volinfo)) {
+ if ((!is_force) && glusterd_is_tier_daemon_running (volinfo)) {
ret = gf_asprintf (op_errstr, "A Tier daemon is "
- "already running on volume %s",
- volname);
+ "already running on volume %s",
+ volname);
ret = -1;
goto out;
}
@@ -792,6 +798,7 @@ glusterd_op_rebalance (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
dict_t *ctx = NULL;
xlator_t *this = NULL;
uint32_t commit_hash;
+ int32_t is_force = 0;
this = THIS;
GF_ASSERT (this);
@@ -855,39 +862,79 @@ glusterd_op_rebalance (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
case GF_DEFRAG_CMD_START_LAYOUT_FIX:
case GF_DEFRAG_CMD_START_FORCE:
case GF_DEFRAG_CMD_START_TIER:
- /* Reset defrag status to 'NOT STARTED' whenever a
- * remove-brick/rebalance command is issued to remove
- * stale information from previous run.
- */
- volinfo->rebal.defrag_status = GF_DEFRAG_STATUS_NOT_STARTED;
- ret = dict_get_str (dict, GF_REBALANCE_TID_KEY, &task_id_str);
- if (ret) {
- gf_msg_debug (this->name, 0, "Missing rebalance "
- "id");
- ret = 0;
+
+ ret = dict_get_int32 (dict, "force", &is_force);
+ if (ret)
+ is_force = 0;
+ if (!is_force) {
+ /* Reset defrag status to 'NOT STARTED' whenever a
+ * remove-brick/rebalance command is issued to remove
+ * stale information from previous run.
+ */
+ volinfo->rebal.defrag_status =
+ GF_DEFRAG_STATUS_NOT_STARTED;
+
+ ret = dict_get_str (dict, GF_REBALANCE_TID_KEY,
+ &task_id_str);
+ if (ret) {
+ gf_msg_debug (this->name, 0, "Missing rebalance"
+ " id");
+ ret = 0;
+ } else {
+ gf_uuid_parse (task_id_str,
+ volinfo->rebal.rebalance_id);
+ volinfo->rebal.op = GD_OP_REBALANCE;
+ }
+ if (!gd_should_i_start_rebalance (volinfo)) {
+ /* Store the rebalance-id and rebalance command
+ * even if the peer isn't starting a rebalance
+ * process. On peers where a rebalance process
+ * is started, glusterd_handle_defrag_start
+ * performs the storing.
+ * Storing this is needed for having
+ * 'volume status' work correctly.
+ */
+ glusterd_store_perform_node_state_store
+ (volinfo);
+ break;
+ }
+ if (dict_get_uint32 (dict, "commit-hash", &commit_hash)
+ == 0) {
+ volinfo->rebal.commit_hash = commit_hash;
+ }
+ ret = glusterd_handle_defrag_start (volinfo, msg,
+ sizeof (msg),
+ cmd, NULL, GD_OP_REBALANCE);
+ break;
} else {
- gf_uuid_parse (task_id_str, volinfo->rebal.rebalance_id) ;
- volinfo->rebal.op = GD_OP_REBALANCE;
- }
- if (!gd_should_i_start_rebalance (volinfo)) {
- /* Store the rebalance-id and rebalance command even if
- * the peer isn't starting a rebalance process. On peers
- * where a rebalance process is started,
- * glusterd_handle_defrag_start performs the storing.
- *
- * Storing this is needed for having 'volume status'
- * work correctly.
+ /* Reset defrag status to 'STARTED' so that the
+ * pid is checked and restarted accordingly.
+ * If the pid is not running it executes the
+ * "NOT_STARTED" case and restarts the process
*/
- glusterd_store_perform_node_state_store (volinfo);
+ volinfo->rebal.defrag_status = GF_DEFRAG_STATUS_STARTED;
+ volinfo->rebal.defrag_cmd = cmd;
+ volinfo->rebal.op = GD_OP_REBALANCE;
+
+ ret = dict_get_str (dict, GF_REBALANCE_TID_KEY,
+ &task_id_str);
+ if (ret) {
+ gf_msg_debug (this->name, 0, "Missing rebalance"
+ " id");
+ ret = 0;
+ } else {
+ gf_uuid_parse (task_id_str,
+ volinfo->rebal.rebalance_id);
+ volinfo->rebal.op = GD_OP_REBALANCE;
+ }
+ if (dict_get_uint32 (dict, "commit-hash", &commit_hash)
+ == 0) {
+ volinfo->rebal.commit_hash = commit_hash;
+ }
+ ret = glusterd_restart_rebalance_for_volume (volinfo);
break;
}
- if (dict_get_uint32 (dict, "commit-hash", &commit_hash) == 0) {
- volinfo->rebal.commit_hash = commit_hash;
- }
- ret = glusterd_handle_defrag_start (volinfo, msg, sizeof (msg),
- cmd, NULL, GD_OP_REBALANCE);
- break;
case GF_DEFRAG_CMD_STOP:
case GF_DEFRAG_CMD_STOP_DETACH_TIER:
/* Clear task-id only on explicitly stopping rebalance.
generated by cgit (git 2.34.1) at 2024-11-20 14:17:03 +0000