diff options
author | N Balachandran <nbalacha@redhat.com> | 2015-09-01 15:31:02 +0530 |
---|---|---|
committer | Dan Lambright <dlambrig@redhat.com> | 2015-09-25 05:36:12 -0700 |
commit | 6e62efdc6b55982368193b23cf6b337fca4ccd2f (patch) | |
tree | 4af8c13ac3634a6f5d4a2f065e9b89747802f34f /tests | |
parent | 045cb34238e341d68288893b8f040056e138c04e (diff) |
cluster/tier: Handle FOPs on files being migrated
Determine which DHT level is responsible for
handling fops on a file undergoing migration based
on the name of the the linkto xattr set on the file
being migrated and process accordingly.
Change-Id: I82772e39314d4fe7f2ba0dcf22de0c6a374ee139
BUG: 1265892
Signed-off-by: N Balachandran <nbalacha@redhat.com>
> Reviewed-on: http://review.gluster.org/12090
> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
> Tested-by: Gluster Build System <jenkins@build.gluster.com>
> Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
(cherry picked from commit 470869a954c17f32a3ba43ccda7442f82c0da6b2)
Reviewed-on: http://review.gluster.org/12224
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>
Diffstat (limited to 'tests')
-rwxr-xr-x | tests/basic/tier/fops-during-migration.t | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/tests/basic/tier/fops-during-migration.t b/tests/basic/tier/fops-during-migration.t new file mode 100755 index 00000000000..ce25f0acc32 --- /dev/null +++ b/tests/basic/tier/fops-during-migration.t @@ -0,0 +1,121 @@ +#!/bin/bash + +. $(dirname $0)/../../include.rc +. $(dirname $0)/../../volume.rc + + +NUM_BRICKS=3 +DEMOTE_FREQ=5 +PROMOTE_FREQ=5 + +TEST_STR="Testing write and truncate fops on tier migration" + +function is_sticky_set () { + echo $1 + if [ -k $1 ]; + then + echo "yes" + else + echo "no" + fi +} + + +# Creates a tiered volume with pure distribute hot and cold tiers +# Both hot and cold tiers will have an equal number of bricks. + +function create_dist_tier_vol () { + mkdir $B0/cold + mkdir $B0/hot + TEST $CLI volume create $V0 $H0:$B0/cold/${V0}{0..$1} + TEST $CLI volume set $V0 performance.quick-read off + TEST $CLI volume set $V0 performance.io-cache off + TEST $CLI volume set $V0 features.ctr-enabled on + TEST $CLI volume start $V0 + TEST $CLI volume attach-tier $V0 $H0:$B0/hot/${V0}{0..$1} + TEST $CLI volume set $V0 cluster.tier-demote-frequency $DEMOTE_FREQ + TEST $CLI volume set $V0 cluster.tier-promote-frequency $PROMOTE_FREQ + TEST $CLI volume set $V0 cluster.read-freq-threshold 0 + TEST $CLI volume set $V0 cluster.write-freq-threshold 0 +} + + +# Checks that the contents of the file matches the input string +#$1 : file_path +#$2 : comparison string + +function check_file_content () { + contents=`cat $1` + echo $contents + if [ "$contents" = "$2" ]; then + echo "1" + else + echo "0" + fi +} + + +cleanup; + +#Basic checks +TEST glusterd +TEST pidof glusterd +TEST $CLI volume info + + +#Create and start a tiered volume +create_dist_tier_vol $NUM_BRICKS + +# Mount FUSE +TEST glusterfs -s $H0 --volfile-id $V0 $M0 + +TEST mkdir $M0/dir1 + +# Create a large file (200MB), so that rebalance takes time +# The file will be created on the hot tier + +dd if=/dev/zero of=$M0/dir1/FILE1 bs=64k count=5120 + +# Get the path of the file on the hot tier +HPATH=`find $B0/hot/ -name FILE1` +echo "File path on hot tier: "$HPATH + + +# Wait for the tier process to demote the file +EXPECT_WITHIN $REBALANCE_TIMEOUT "yes" is_sticky_set $HPATH + +# Get the path of the file on the cold tier +CPATH=`find $B0/cold/ -name FILE1` +echo "File path on cold tier: "$CPATH + +# Test setxattr +TEST setfattr -n "user.test_xattr" -v "qwerty" $M0/dir1/FILE1 + +# Test hard link creation +TEST ln $M0/dir1/FILE1 $M0/dir1/lnk1 +TEST ln $M0/dir1/FILE1 $M0/lnk2 + +# Change the file contents while it is being migrated +echo $TEST_STR > $M0/dir1/FILE1 + + +# The file contents should have changed even if the file +# is not done migrating +EXPECT "1" check_file_content $M0/dir1/FILE1 "$TEST_STR" + + +# Wait for the tier process to finish migrating the file +EXPECT_WITHIN $REBALANCE_TIMEOUT "no" is_sticky_set $CPATH + +# The file contents should have changed +EXPECT "1" check_file_content $M0/dir1/FILE1 "$TEST_STR" + + +linkcountsrc=$(stat -c %h $M0/dir1/FILE1) +echo $linkcountsrc +TEST [[ $linkcountsrc == 3 ]] + +TEST getfattr -n "user.test_xattr" $M0/dir1/FILE1 + +cleanup; + |