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authorSusant Palai <spalai@redhat.com>2017-04-17 13:00:54 +0530
committerRaghavendra G <rgowdapp@redhat.com>2017-04-19 01:35:14 -0400
commitb350bcd6a3db2e92d1baa47a5ec02efd09f76f16 (patch)
treeaf5f3a473131a7978bbda2bdd74582904d0d0ab2 /xlators/performance/nl-cache/src
parente3d9018f2ddc28548c0aa18960a3a524521c9ad7 (diff)
cluster/dht: Skip file migration if the subvol that meets min-free-disk
criteria happens to be the same subvol containing data-file Rebalance need to figure out a new subvol in case the hashed subvol does not have enough space. In the process of figuring out the new subvol, we need to ignore the source subvol, otherwise it will lead to data loss. Test: Manual Ran the following sizeof /tmp/1: 1.5GB sizeof /brick/1: 16GB sizeof /tmp/2: 1.5GB <start> glusterd; gluster v create test1 vm1:/brick/1 vm1:/tmp/1; gluster v start test1; mount -t glusterfs vm1:test1 /mnt; for i in {1..2000} do dd if=/dev/zero of=/mnt/file$i bs=1KB count=1 &> /dev/null; done gluster v add-brick test1 vm1:/tmp/2 gluster v set test1 min-free-disk 12GB gluster v remove-brick test1 vm1:/tmp/1 star <end> file count and data were intact. Change-Id: Ib8fc8467a3d48a7c12958824c4f0b88e160b86c1 BUG: 1441508 Signed-off-by: Susant Palai <spalai@redhat.com> Reviewed-on: https://review.gluster.org/17064 Smoke: Gluster Build System <jenkins@build.gluster.org> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
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