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#!/bin/bash
. $(dirname $0)/../include.rc
. $(dirname $0)/../nfs.rc
cleanup;
function recreate {
rm -rf $1 && mkdir -p $1
}
TEST glusterd
TEST pidof glusterd
TEST $CLI volume info;
## Start and create a volume
recreate ${B0}/${V0}-0
recreate ${B0}/${V0}-1
TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}-{0,1}
function volinfo_field()
{
local vol=$1;
local field=$2;
$CLI volume info $vol | grep "^$field: " | sed 's/.*: //';
}
## Verify volume is created
EXPECT "$V0" volinfo_field $V0 'Volume Name';
EXPECT 'Created' volinfo_field $V0 'Status';
## Make sure stat-prefetch doesn't prevent self-heal checks.
TEST $CLI volume set $V0 performance.stat-prefetch off;
## Make sure automatic self-heal doesn't perturb our results.
TEST $CLI volume set $V0 cluster.self-heal-daemon off
TEST $CLI volume set $V0 cluster.background-self-heal-count 0
## Start volume and verify
TEST $CLI volume start $V0;
EXPECT 'Started' volinfo_field $V0 'Status';
EXPECT_WITHIN 20 "1" is_nfs_export_available;
## Mount NFS
TEST mount_nfs $H0:/$V0 $N0 nolock;
## Create some files and directories
echo "test_data" > $N0/a_file;
mkdir $N0/a_dir;
echo "more_test_data" > $N0/a_dir/another_file;
## Unmount and stop the volume.
TEST umount $N0;
TEST $CLI volume stop $V0;
# Recreate the brick. Note that because of http://review.gluster.org/#change,4202
# we need to preserve and restore the volume ID or else the brick (and thus the
# entire not-very-HA-any-more volume) won't start. When that bug is fixed, we can
# remove the [gs]etxattr calls.
volid=$(getfattr -e hex -n trusted.glusterfs.volume-id $B0/${V0}-0 2> /dev/null \
| grep = | cut -d= -f2)
rm -rf $B0/${V0}-0;
mkdir $B0/${V0}-0;
setfattr -n trusted.glusterfs.volume-id -v $volid $B0/${V0}-0
## Restart and remount. Note that we use actimeo=0 so that the stat calls
## we need for self-heal don't get blocked by the NFS client.
TEST $CLI volume start $V0;
EXPECT_WITHIN 20 "1" is_nfs_export_available;
TEST mount_nfs $H0:/$V0 $N0 nolock,actimeo=0;
## The Linux NFS client has a really charming habit of caching stuff right
## after mount, even though we set actimeo=0 above. Life would be much easier
## if NFS developers cared as much about correctness as they do about shaving
## a few seconds off of benchmarks.
ls -l $N0 &> /dev/null;
sleep 5;
## Force entry self-heal.
TEST $CLI volume set $V0 cluster.self-heal-daemon on
sleep 1
TEST gluster volume heal $V0 full
#ls -lR $N0 > /dev/null;
## Do NOT check through the NFS mount here. That will force a new self-heal
## check, but we want to test whether self-heal already happened.
## Make sure everything's in order on the recreated brick.
EXPECT_WITHIN 20 'test_data' cat $B0/${V0}-0/a_file;
EXPECT_WITHIN 20 'more_test_data' cat $B0/${V0}-0/a_dir/another_file;
if [ "$EXIT_EARLY" = "1" ]; then
exit 0;
fi
## Finish up
TEST umount $N0;
TEST $CLI volume stop $V0;
EXPECT 'Stopped' volinfo_field $V0 'Status';
TEST $CLI volume delete $V0;
TEST ! $CLI volume info $V0;
cleanup;
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