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authorshishir gowda <sgowda@redhat.com>2012-12-07 10:00:15 +0530
committerAnand Avati <avati@redhat.com>2012-12-11 16:05:50 -0800
commit448b59e60b0ea5e085769283e89893176b86659f (patch)
treebb0d25ff5443ae8e9fcc38d1a98fd0aa6e757c50 /tests
parent1d87098f2df19af5a42ade6b305cbb01b85af8ea (diff)
cluster/distribute: re-set layouts to prevent overlaps
When subvols-per-directory option is used, with bricks addition/removal the layouts might get distributed to other subvols, which were not part of the layout before. We need to clean up layouts on old subvolumes, to prevent overlaps. Also, we need to make sure if layout-cnt is never less than subvolume-cnt. Change-Id: I00994a092ca0c99aedcc41bd9412d43460f88a04 BUG: 884455 Signed-off-by: shishir gowda <sgowda@redhat.com> Reviewed-on: http://review.gluster.org/4281 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/bugs/bug-884455.t76
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/bugs/bug-884455.t b/tests/bugs/bug-884455.t
new file mode 100644
index 000000000..e5b782267
--- /dev/null
+++ b/tests/bugs/bug-884455.t
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+
+cleanup;
+
+function layout_compare()
+{
+ res=0
+
+ if [ "$1" == "$2" ]
+ then
+ res=1
+ fi
+ if [ "$1" == "$3" ]
+ then
+ res=1
+ fi
+ if [ "$2" == "$3" ]
+ then
+ res=1
+ fi
+
+ echo $res
+}
+
+function get_layout()
+{
+ layout1=`getfattr -n trusted.glusterfs.dht -e hex $1 2>&1|grep dht |cut -d = -f2`
+ layout2=`getfattr -n trusted.glusterfs.dht -e hex $2 2>&1|grep dht |cut -d = -f2`
+ layout3=`getfattr -n trusted.glusterfs.dht -e hex $3 2>&1|grep dht |cut -d = -f2`
+
+ ret=$(layout_compare $layout1 $layout2 $layout3)
+
+ if [ $ret -ne 0 ]
+ then
+ echo 1
+ else
+ echo 0
+ fi
+
+}
+
+BRICK_COUNT=3
+
+TEST glusterd
+TEST pidof glusterd
+
+TEST $CLI volume create $V0 $H0:$B0/${V0}0 $H0:$B0/${V0}1
+## set subvols-per-dir option
+TEST $CLI volume set $V0 subvols-per-directory 2
+TEST $CLI volume start $V0
+
+## Mount FUSE
+TEST glusterfs -s $H0 --volfile-id $V0 $M0;
+
+TEST mkdir $M0/dir{1..10};
+
+## Add-brick n run rebalance to force re-write of layout
+TEST $CLI volume add-brick $V0 $H0:$B0/${V0}2
+sleep 5;
+TEST $CLI volume rebalance $V0 start force
+sleep 30;
+
+## check for layout overlaps.
+EXPECT "0" get_layout $B0/${V0}0 $B0/${V0}1 $B0/${V0}2
+EXPECT "0" get_layout $B0/${V0}0/dir1 $B0/${V0}1/dir1 $B0/${V0}2/dir1
+EXPECT "0" get_layout $B0/${V0}0/dir2 $B0/${V0}1/dir2 $B0/${V0}2/dir2
+EXPECT "0" get_layout $B0/${V0}0/dir3 $B0/${V0}1/dir3 $B0/${V0}2/dir3
+EXPECT "0" get_layout $B0/${V0}0/dir4 $B0/${V0}1/dir4 $B0/${V0}2/dir4
+EXPECT "0" get_layout $B0/${V0}0/dir5 $B0/${V0}1/dir5 $B0/${V0}2/dir5
+EXPECT "0" get_layout $B0/${V0}0/dir6 $B0/${V0}1/dir6 $B0/${V0}2/dir6
+EXPECT "0" get_layout $B0/${V0}0/dir7 $B0/${V0}1/dir7 $B0/${V0}2/dir7
+EXPECT "0" get_layout $B0/${V0}0/dir8 $B0/${V0}1/dir8 $B0/${V0}2/dir8
+EXPECT "0" get_layout $B0/${V0}0/dir9 $B0/${V0}1/dir9 $B0/${V0}2/dir9
+EXPECT "0" get_layout $B0/${V0}0/dir10 $B0/${V0}1/dir10 $B0/${V0}2/dir10