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authorAnuradha <atalur@redhat.com>2015-06-11 14:58:05 +0530
committerPranith Kumar Karampuri <pkarampu@redhat.com>2015-06-25 19:34:34 -0700
commitcd05e036117a27377af8ff4a1cdba09f1de0a8eb (patch)
tree43a970d8c3c31c71ef58937bb0eac5d5f6701876 /tests/basic
parente472e5d279e57cbddd75f81775505810664f29b3 (diff)
cluster/afr : set pending xattrs for replaced brick
This patch is part two change to prevent data loss in a replicate volume on doing a replace-brick commit force operation. Problem: After doing replace-brick commit force, there is a chance that self heal might happen from the replaced (sink) brick rather than the source brick leading to data loss. Solution: Mark pending changelogs on afr children for the replaced afr-child so that heal is performed in the correct direction. Change-Id: Icb9807e49b4c1c4f1dcab115318d9a58ccf95675 BUG: 1207829 Signed-off-by: Anuradha Talur <atalur@redhat.com> Reviewed-on: http://review.gluster.org/10448 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Diffstat (limited to 'tests/basic')
-rw-r--r--tests/basic/afr/replace-brick-self-heal.t64
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/basic/afr/replace-brick-self-heal.t b/tests/basic/afr/replace-brick-self-heal.t
new file mode 100644
index 00000000000..8ced7df3c76
--- /dev/null
+++ b/tests/basic/afr/replace-brick-self-heal.t
@@ -0,0 +1,64 @@
+#!/bin/bash
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+cleanup;
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{0,1}
+TEST $CLI volume start $V0
+TEST $CLI volume set $V0 cluster.data-self-heal off
+TEST $CLI volume set $V0 cluster.metadata-self-heal off
+TEST $CLI volume set $V0 cluster.entry-self-heal off
+
+TEST $CLI volume set $V0 self-heal-daemon off
+TEST glusterfs --volfile-id=$V0 --volfile-server=$H0 $M0;
+
+# Create files
+for i in {1..5}
+do
+ echo $i > $M0/file$i.txt
+done
+
+# Metadata changes
+TEST setfattr -n user.test -v qwerty $M0/file5.txt
+
+# Replace brick1
+TEST $CLI volume replace-brick $V0 $H0:$B0/${V0}1 $H0:$B0/${V0}1_new commit force
+
+# Replaced-brick should accuse the non-replaced-brick (Simulating case for data-loss)
+TEST setfattr -n trusted.afr.$V0-client-0 -v 0x000000000000000000000001 $B0/${V0}1_new/
+
+# Check if pending xattr and dirty-xattr are set for replaced-brick
+EXPECT "000000000000000100000001" get_hex_xattr trusted.afr.$V0-client-1 $B0/${V0}0
+EXPECT "000000000000000000000001" get_hex_xattr trusted.afr.dirty $B0/${V0}1_new
+
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "1" afr_child_up_status $V0 0
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "1" afr_child_up_status $V0 1
+
+TEST $CLI volume set $V0 self-heal-daemon on
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "Y" glustershd_up_status
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "1" afr_child_up_status_in_shd $V0 0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "1" afr_child_up_status_in_shd $V0 1
+TEST $CLI volume heal $V0
+
+# Wait for heal to complete
+EXPECT_WITHIN $HEAL_TIMEOUT "0" afr_get_pending_heal_count $V0
+
+# Check if entry-heal has happened
+TEST diff <(ls $B0/${V0}0 | sort) <(ls $B0/${V0}1_new | sort)
+
+# To make sure that files were not lost from brick0
+TEST diff <(ls $B0/${V0}0 | sort) <(ls $B0/${V0}1 | sort)
+EXPECT "000000000000000000000000" get_hex_xattr trusted.afr.$V0-client-1 $B0/${V0}0
+
+# Test if data was healed
+TEST diff $B0/${V0}0/file1.txt $B0/${V0}1_new/file1.txt
+# To make sure that data was not lost from brick0
+TEST diff $B0/${V0}0/file1.txt $B0/${V0}1/file1.txt
+
+# Test if metadata was healed and exists on both the bricks
+EXPECT "qwerty" get_text_xattr user.test $B0/${V0}1_new/file5.txt
+EXPECT "qwerty" get_text_xattr user.test $B0/${V0}0/file5.txt
+
+cleanup;