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authorSusant Palai <spalai@redhat.com>2015-06-16 20:35:46 +0530
committerRaghavendra G <rgowdapp@redhat.com>2015-08-23 23:06:31 -0700
commit1626fb105c99ef623be3687f3f48d9247ab9b7c4 (patch)
treecda2fc88f521eaf69041ca7a8d343dad02f7c87c /extras
parenta586b30c1bd968d23562406cefbb76b82a0e236c (diff)
dht: block/handle create op falling to decommissioned brick
Problem: Post remove-brick start till commit phase, the client layout may not be in sync with disk layout because of lack of lookup. Hence,a create call may fall on the decommissioned brick. Solution: Will acquire a lock on hashed subvol. So that a fix-layout or selfheal can not step on layout while reading the layout. Even if we read a layout before remove-brick fix-layout and the file falls on the decommissioned brick, the file should be migrated to a new brick as per the fix-layout. Change-Id: If84a12ec34f981adb2b9b224e80f535cfe5bf9f2 BUG: 1232378 Signed-off-by: Susant Palai <spalai@redhat.com> Reviewed-on: http://review.gluster.org/11260 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
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