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authorN Balachandran <nbalacha@redhat.com>2015-11-09 15:49:50 +0530
committerDan Lambright <dlambrig@redhat.com>2015-11-19 10:05:27 -0800
commit79103a0f9eea2af4c68710e602f78963471ecec7 (patch)
tree4ad86bfd1f7a49f03df3713548f401439e46d2d5 /tests
parente24fb2278bc0b0da88ec8c7b2d873c3e4a864d9d (diff)
cluster/tier: Do not delete linkto file on demotion
The current DHT migration code will always delete the src linkto file after migration as dht always moves files to the hashed subvol. This is not the case in tiering. The lack of linkto files causes rename to fail leaving 2 files with the same name but different gfids on the volume. Modified to leave the linkto file behind if the source volume is the hashed subvolume. > Change-Id: I2b99f7d34b4b719aee6232dc40c6a8f8ba88225d > Signed-off-by: N Balachandran <nbalacha@redhat.com> > Reviewed-on: http://review.gluster.org/12551 > Reviewed-by: Dan Lambright <dlambrig@redhat.com> > Tested-by: Dan Lambright <dlambrig@redhat.com> Change-Id: I210b94cdae0409c87af8ba198e3cd263a6c85190 BUG: 1283480 Signed-off-by: N Balachandran <nbalacha@redhat.com> Reviewed-on: http://review.gluster.org/12655 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-xtests/bugs/tier/bug-1279376-rename-demoted-file.t88
1 files changed, 88 insertions, 0 deletions
diff --git a/tests/bugs/tier/bug-1279376-rename-demoted-file.t b/tests/bugs/tier/bug-1279376-rename-demoted-file.t
new file mode 100755
index 00000000000..c75c398ce28
--- /dev/null
+++ b/tests/bugs/tier/bug-1279376-rename-demoted-file.t
@@ -0,0 +1,88 @@
+#!/bin/bash
+
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+. $(dirname $0)/../../tier.rc
+
+
+NUM_BRICKS=2
+DEMOTE_FREQ=5
+DEMOTE_TIMEOUT=10
+PROMOTE_FREQ=500
+
+
+#Both src and dst files must hash to the same hot tier subvol
+SRC_FILE="file1.txt"
+DST_FILE="newfile1.txt"
+
+
+# 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 start $V0
+ TEST $CLI volume tier $V0 attach $H0:$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.tier-mode test
+
+#We do not want any files to be promoted during this test
+ TEST $CLI volume set $V0 cluster.read-freq-threshold 50
+ TEST $CLI volume set $V0 cluster.write-freq-threshold 50
+}
+
+
+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 $M0
+
+
+# The file will be created on the hot tier
+
+touch "$M0/$SRC_FILE"
+
+# Get the path of the file on the hot tier
+HPATH=`find $B0/hot/ -name "$SRC_FILE"`
+echo "File path on hot tier: "$HPATH
+
+
+EXPECT "yes" exists_and_regular_file $HPATH
+
+# Wait for the tier process to demote the file
+sleep $DEMOTE_TIMEOUT
+
+# Get the path of the file on the cold tier
+CPATH=`find $B0/cold/ -name "$SRC_FILE"`
+echo "File path on cold tier: "$CPATH
+
+EXPECT "yes" exists_and_regular_file $CPATH
+
+#This will be created on the hot tier
+
+touch "$M0/$DST_FILE"
+HPATH=`find $B0/hot/ -name "$DST_FILE"`
+echo "File path on hot tier: "$HPATH
+
+TEST mv $M0/$SRC_FILE $M0/$DST_FILE
+
+# We expect a single file to exist at this point
+# when viewed on the mountpoint
+EXPECT 1 echo $(ls -l $M0 | grep $DST_FILE | wc -l)
+
+cleanup;
+