diff options
Diffstat (limited to 'tests/basic')
| -rw-r--r-- | tests/basic/gfid_unsplit.t | 14 | ||||
| -rw-r--r-- | tests/basic/gfid_unsplit_type_mismatch.t | 85 |
2 files changed, 99 insertions, 0 deletions
diff --git a/tests/basic/gfid_unsplit.t b/tests/basic/gfid_unsplit.t index 3fe7a6f140c..0df96bd5ed6 100644 --- a/tests/basic/gfid_unsplit.t +++ b/tests/basic/gfid_unsplit.t @@ -14,6 +14,7 @@ TEST $CLI volume info; TEST $CLI volume create $V0 replica 3 $H0:$B0/${V0}{1..3}; TEST $CLI volume set $V0 performance.stat-prefetch off TEST $CLI volume set $V0 cluster.choose-local off +TEST $CLI volume set $V0 cluster.quorum-type none TEST $CLI volume set $V0 cluster.self-heal-daemon off TEST $CLI volume set $V0 nfs.disable off #EST $CLI volume set $V0 cluster.favorite-child-by-majority on @@ -44,6 +45,15 @@ GFID_DIR_B3="$B0/${V0}3/.glusterfs/$(getfattr -n trusted.gfid -e hex $B0/${V0}3/ #EST rm -f $B0/${V0}3/splitfile #m -rf $GFID_DIR_B3 +touch $M0/newfile + +# Synthetically force a conservative merge of the directory. We want +# to ensure that conservative merges happen in-spite of GFID mis-matches, +# since we can handle them there's no sense in not doing these. In fact, +# if we stop them it will block GFID split-brain resolution. +setfattr -n trusted.afr.patchy-client-1 -v 0x000000000000000000000002 $B0/${V0}1 +setfattr -n trusted.afr.patchy-client-2 -v 0x000000000000000000000002 $B0/${V0}1 + # Restart the down brick TEST $CLI volume start $V0 force EXPECT_WITHIN 20 "1" afr_child_up_status $V0 0 @@ -56,6 +66,10 @@ sleep 1 # Verify the file is readable TEST dd if=$M0/splitfile of=/dev/null 2>/dev/null +# Verify entry healing happened on the back-end regardless of the +# gfid-splitbrain state of the directory. +TEST stat $B0/${V0}1/splitfile + # Verify the MD5 signature of the file HEALED_MD5=$(md5sum $M0/splitfile | cut -d\ -f1) TEST [ "$MD5" == "$HEALED_MD5" ] diff --git a/tests/basic/gfid_unsplit_type_mismatch.t b/tests/basic/gfid_unsplit_type_mismatch.t new file mode 100644 index 00000000000..51e6a36445b --- /dev/null +++ b/tests/basic/gfid_unsplit_type_mismatch.t @@ -0,0 +1,85 @@ +#!/bin/bash + +. $(dirname $0)/../include.rc +. $(dirname $0)/../volume.rc + +cleanup; + +TEST glusterd +TEST pidof glusterd +TEST $CLI volume info; + +# Setup a cluster with 3 replicas, and fav child by majority on +TEST $CLI volume create $V0 replica 3 $H0:$B0/${V0}{1..3}; +TEST $CLI volume set $V0 cluster.choose-local off +TEST $CLI volume set $V0 cluster.self-heal-daemon off +TEST $CLI volume set $V0 nfs.disable off +TEST $CLI volume set $V0 cluster.quorum-type none +TEST $CLI volume set $V0 cluster.favorite-child-policy majority +#EST $CLI volume set $V0 cluster.favorite-child-by-majority on +#EST $CLI volume set $V0 cluster.favorite-child-by-mtime on +TEST $CLI volume set $V0 cluster.metadata-self-heal off +TEST $CLI volume set $V0 cluster.data-self-heal off +TEST $CLI volume set $V0 cluster.entry-self-heal off +TEST $CLI volume start $V0 +sleep 5 + +# Part I: FUSE Test +TEST glusterfs --volfile-id=/$V0 --volfile-server=$H0 $M0 \ + --attribute-timeout=0 --entry-timeout=0 + +cd $M0 +dd if=/dev/urandom of=splitfile bs=128k count=5 2>/dev/null + +MD5=$(md5sum splitfile | cut -d\ -f1) + +# Create a split-brain by downing a brick, and flipping the +# gfid on the down brick, then bring the brick back up. +TEST kill_brick $V0 $H0 $B0/${V0}1 +GFID_DIR_B1="$B0/${V0}1/.glusterfs/$(getfattr -n trusted.gfid -e hex $B0/${V0}1/splitfile 2>/dev/null | grep ^trusted | cut -d= -f2 | awk '{print substr($0,3,2)}')" +rm -rf $GFID_DIR_B1 +rm -fv $B0/${V0}1/splitfile + +# Now really screw the file up, by changing it's type to a directory +# not a file...the so-called "type mismatch" situation. Our test +# should prove we can un-mangle this situation using the same strategy. +mkdir $B0/${V0}1/splitfile +touch -t 199011011510 $B0/${V0}1/splitfile +TEST setfattr -n "trusted.gfid" -v "0xfd551a5cfddd4c1aa4d096ef09ef5c08" $B0/${V0}1/splitfile +cd ~ + +touch $M0/newfile + +# Synthetically force a conservative merge of the directory. We want +# to ensure that conservative merges happen in-spite of GFID mis-matches, +# since we can handle them there's no sense in not doing these. In fact, +# if we stop them it will block GFID split-brain resolution. +setfattr -n trusted.afr.patchy-client-1 -v 0x000000000000000000000002 $B0/${V0}1 +setfattr -n trusted.afr.patchy-client-2 -v 0x000000000000000000000002 $B0/${V0}1 + +# Restart the down brick +TEST $CLI volume start $V0 force +EXPECT_WITHIN 20 "1" afr_child_up_status $V0 0 +sleep 5 +cd $M0 + +# Tickle the file to trigger the gfid unsplit +TEST stat splitfile +sleep 1 + +# Verify the file is readable +TEST dd if=splitfile of=/dev/null 2>/dev/null + +# Verify entry healing happened on the back-end regardless of the +# gfid-splitbrain state of the directory. +TEST stat $B0/${V0}1/splitfile + +# Verify the MD5 signature of the file +HEALED_MD5=$(md5sum splitfile | cut -d\ -f1) +TEST [ "$MD5" == "$HEALED_MD5" ] + +# Verify the file can be removed +TEST rm -f splitfile +cd ~ + +cleanup |
