From 3b52c71b0ab57a9daaf31bf3dc8563da37927a66 Mon Sep 17 00:00:00 2001 From: Dan Lambright Date: Wed, 4 Nov 2015 15:33:22 -0500 Subject: cluster/tier: readdirp to cold tier only It is possible a file would get migrated in the middle of a readdir operation. If there are four subvolumes A,B,C,D, and if readdir reads them in order and reaches subvol B, then, if a file is moved from D to A, it will not be included in the readdir output. This phenonema has pre-existed in DHT migration but is more apparent in tiering. When a file is moved off the hashed subvolume a T file is created. For tiering, we will make the cold subvolume the hashed subvolume. This will ensure the creation of a T file. Readdir will not skip T files in the tier translator. Making the cold subvolume the hashed subvolume ensures the T files created on promotions or creates will be less likely to fill the volume. Creates still put the data on the hot subvolume. Change-Id: Ifde557d3d0e94a4570ca9f115adee3db2ee75407 BUG: 1281598 Signed-off-by: Dan Lambright Reviewed-on: http://review.gluster.org/12530 Tested-by: Gluster Build System Tested-by: NetBSD Build System Reviewed-by: N Balachandran Reviewed-by: Raghavendra G --- run-tests.sh | 1 + 1 file changed, 1 insertion(+) (limited to 'run-tests.sh') diff --git a/run-tests.sh b/run-tests.sh index 2b934f9134d..a64219c5901 100755 --- a/run-tests.sh +++ b/run-tests.sh @@ -198,6 +198,7 @@ function is_bad_test () ./tests/basic/quota-nfs.t \ ./tests/basic/tier/tier_lookup_heal.t \ ./tests/basic/tier/bug-1214222-directories_missing_after_attach_tier.t \ + ./tests/basic/tier/fops-during-migration.t \ ./tests/basic/tier/record-metadata-heat.t \ ./tests/bugs/snapshot/bug-1109889.t \ ./tests/bugs/distribute/bug-1066798.t \ -- cgit