diff options
| author | Krishnan Parthasarathi <kp@gluster.com> | 2012-04-03 15:37:25 +0530 |
|---|---|---|
| committer | Vijay Bellur <vijay@gluster.com> | 2012-04-12 23:07:08 -0700 |
| commit | 8a45a0e480f7e8c6ea1195f77ce3810d4817dc37 (patch) | |
| tree | 9b50579b53228f6a605b4c74e36fe0fb7a3827e2 /xlators/mgmt/glusterd/src/glusterd-volume-ops.c | |
| parent | b337b755325f75a6fcf65616eaf4467b70b8b245 (diff) | |
glusterd: Added volume-id to 'op' dictionary
Volume-id passed in op dictionary would help detect possible split brains
among peers in a cluster. The idea is to check if the volume's id and
the vol-id that was passed are equal.
ie, same volume name, but different volume id indicate that glusterd
'metadata' of one of the participating peers is stale or there is
a split brain.
This is over and above the existing checksum based validation of peer
supplied cluster 'metadata' (ie, volume info file).
Change-Id: I1049ef249e417e540ccb4243e450f92fcd0f46f9
BUG: 797734
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.com/3083
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-volume-ops.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-volume-ops.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c index b30c4631806..85e7abba853 100644 --- a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c +++ b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c @@ -830,6 +830,10 @@ glusterd_op_stage_start_volume (dict_t *dict, char **op_errstr) if (ret) goto out; + ret = glusterd_validate_volume_id (dict, volinfo); + if (ret) + goto out; + list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { ret = glusterd_resolve_brick (brickinfo); if (ret) { @@ -905,6 +909,10 @@ glusterd_op_stage_stop_volume (dict_t *dict, char **op_errstr) if (ret) goto out; + ret = glusterd_validate_volume_id (dict, volinfo); + if (ret) + goto out; + /* If 'force' flag is given, no check is required */ if (flags & GF_CLI_FLAG_OP_FORCE) goto out; @@ -1003,6 +1011,10 @@ glusterd_op_stage_delete_volume (dict_t *dict, char **op_errstr) if (ret) goto out; + ret = glusterd_validate_volume_id (dict, volinfo); + if (ret) + goto out; + if (glusterd_is_volume_started (volinfo)) { snprintf (msg, sizeof (msg), "Volume %s has been started." "Volume needs to be stopped before deletion.", @@ -1056,6 +1068,10 @@ glusterd_op_stage_heal_volume (dict_t *dict, char **op_errstr) goto out; } + ret = glusterd_validate_volume_id (dict, volinfo); + if (ret) + goto out; + if (!glusterd_is_volume_replicate (volinfo)) { ret = -1; snprintf (msg, sizeof (msg), "Volume %s is not of type " @@ -1142,6 +1158,10 @@ glusterd_op_stage_statedump_volume (dict_t *dict, char **op_errstr) goto out; } + ret = glusterd_validate_volume_id (dict, volinfo); + if (ret) + goto out; + is_running = glusterd_is_volume_started (volinfo); if (!is_running) { snprintf (msg, sizeof(msg), "Volume %s is not in a started" @@ -1209,6 +1229,10 @@ glusterd_op_stage_clearlocks_volume (dict_t *dict, char **op_errstr) goto out; } + ret = glusterd_validate_volume_id (dict, volinfo); + if (ret) + goto out; + if (!glusterd_is_volume_started (volinfo)) { snprintf (msg, sizeof(msg), "Volume %s is not started", volname); |