From 5d21aaf97618f6e220fc0c028eba6b14c7439499 Mon Sep 17 00:00:00 2001 From: Shyamsundar Ranganathan Date: Mon, 26 Jun 2017 16:26:11 +0000 Subject: Revert "Revert "glusterd: disallow rebalance & remove-brick on a sharded volume"" This is being reverted as a new bug around rebalance has been uncovered. As a result we would like to retain the warning in the code and in the release-notes. The new bug being, https://bugzilla.redhat.com/show_bug.cgi?id=1465075 A similar revert is being tracked for 3.11 here, https://review.gluster.org/17631 based on votes to both, we may want to consider this for 3.10 as well. This reverts commit abaf577626650edb4b9dfdddd43ba04a2a8e8ef3. BUG: 1467010 Change-Id: Iecd0357c44e41e2b421222e8f98fe8300513f963 Reviewed-on: https://review.gluster.org/17632 Reviewed-by: Raghavendra Talur Tested-by: Raghavendra Talur Smoke: Gluster Build System CentOS-regression: Gluster Build System --- xlators/mgmt/glusterd/src/glusterd-brick-ops.c | 10 ++++++++++ xlators/mgmt/glusterd/src/glusterd-rebalance.c | 9 +++++++++ 2 files changed, 19 insertions(+) diff --git a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c index 1fc28b2da55..5bb347cd6d8 100644 --- a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c +++ b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c @@ -2180,6 +2180,16 @@ glusterd_op_stage_remove_brick (dict_t *dict, char **op_errstr) case GF_OP_CMD_START: { + if (dict_get_str_boolean (volinfo->dict, "features.shard", + _gf_false)) { + ret = -1; + snprintf (msg, sizeof (msg), "remove-brick operation is" + " not allowed on a sharded volume as it may" + " lead to a data loss situation."); + errstr = gf_strdup (msg); + goto out; + } + if ((volinfo->type == GF_CLUSTER_TYPE_REPLICATE) && dict_get (dict, "replica-count")) { snprintf (msg, sizeof(msg), "Migration of data is not " diff --git a/xlators/mgmt/glusterd/src/glusterd-rebalance.c b/xlators/mgmt/glusterd/src/glusterd-rebalance.c index e293de22e58..2b43e181ccb 100644 --- a/xlators/mgmt/glusterd/src/glusterd-rebalance.c +++ b/xlators/mgmt/glusterd/src/glusterd-rebalance.c @@ -691,6 +691,15 @@ glusterd_op_stage_rebalance (dict_t *dict, char **op_errstr) volname); goto out; } + if (dict_get_str_boolean (volinfo->dict, "features.shard", + _gf_false)) { + ret = -1; + snprintf (msg, sizeof (msg), "rebalance operation is not" + " allowed on a sharded volume as it may lead" + " to a data loss situation. Use start force " + " option to bypass this validation"); + goto out; + } case GF_DEFRAG_CMD_START_FORCE: if (is_origin_glusterd (dict)) { -- cgit