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authorKrutika Dhananjay <kdhananj@redhat.com>2016-11-07 16:06:56 +0530
committerPranith Kumar Karampuri <pkarampu@redhat.com>2016-11-08 22:39:14 -0800
commitc5d2002ac2e68dc8aa7d54a32e9bd441b9b8bcfa (patch)
treeb29316a472ea24a0ea23dfb3eb364ba9e04c608f /MAINTAINERS
parent7168e27c23079734934976a59bc2ee31bbed31a5 (diff)
features/shard: Fill loc.pargfid too for named lookups on individual shards
Backport of: http://review.gluster.org/#/c/15788/ On a sharded volume when a brick is replaced while IO is going on, named lookup on individual shards as part of read/write was failing with ENOENT on the replaced brick, and as a result AFR initiated name heal in lookup callback. But since pargfid was empty (which is what this patch attempts to fix), the resolution of the shards by protocol/server used to fail and the following pattern of logs was seen: Brick-logs: [2016-11-08 07:41:49.387127] W [MSGID: 115009] [server-resolve.c:566:server_resolve] 0-rep-server: no resolution type for (null) (LOOKUP) [2016-11-08 07:41:49.387157] E [MSGID: 115050] [server-rpc-fops.c:156:server_lookup_cbk] 0-rep-server: 91833: LOOKUP(null) (00000000-0000-0000-0000-000000000000/16d47463-ece5-4b33-9c93-470be918c0f6.82) ==> (Invalid argument) [Invalid argument] Client-logs: [2016-11-08 07:41:27.497687] W [MSGID: 114031] [client-rpc-fops.c:2930:client3_3_lookup_cbk] 2-rep-client-0: remote operation failed. Path: (null) (00000000-0000-0000-0000-000000000000) [Invalid argument] [2016-11-08 07:41:27.497755] W [MSGID: 114031] [client-rpc-fops.c:2930:client3_3_lookup_cbk] 2-rep-client-1: remote operation failed. Path: (null) (00000000-0000-0000-0000-000000000000) [Invalid argument] [2016-11-08 07:41:27.498500] W [MSGID: 114031] [client-rpc-fops.c:2930:client3_3_lookup_cbk] 2-rep-client-2: remote operation failed. Path: (null) (00000000-0000-0000-0000-000000000000) [Invalid argument] [2016-11-08 07:41:27.499680] E [MSGID: 133010] Also, this patch makes AFR by itself choose a non-NULL pargfid even if its ancestors fail to initialize all pargfid placeholders. Change-Id: I34b9f90d0f09766b6d87b3994d5cd7a77b622dcb BUG: 1392853 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/15797 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Reviewed-by: Ravishankar N <ravishankar@redhat.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
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