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#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib
. $STF_SUITE/tests/functional/cli_root/zpool_import/zpool_import.cfg
#
# DESCRIPTION:
# Once a pool has been exported, but one or more devices are
# overlapped with other exported pool, import should handle
# this kind of situation properly.
#
# STRATEGY:
# 1. Repeat 1-3, create two test pools upon device files separately.
# These two pools should have one or more devices are overlapped.
# using the various combinations.
# - Regular pool
# - Mirror
# - Raidz
# 2. Create necessary filesystem and test files.
# 3. Export the test pool.
# 4. Verify 'zpool import -d' with these two pools will have results
# as described:
# - Regular, report error while any number of devices failing.
# - Mirror could withstand (N-1) devices failing
# before data integrity is compromised
# - Raidz could withstand one devices failing
# before data integrity is compromised
#
verify_runnable "global"
# See issue: https://github.com/openzfs/zfs/issues/6839
if ! is_illumos; then
log_unsupported "Test case may be slow"
fi
set -A vdevs "" "mirror" "raidz" "draid"
function verify
{
typeset pool=$1
typeset fs=$2
typeset mtpt=$3
typeset health=$4
typeset file=$5
typeset checksum1=$6
typeset myhealth
typeset mymtpt
typeset checksum2
log_must poolexists $pool
myhealth=$(zpool list -H -o health $pool)
[[ $myhealth == $health ]] || \
log_fail "$pool: Incorrect health ($myhealth), " \
"expected ($health)."
log_must ismounted $pool/$fs
mymtpt=$(get_prop mountpoint $pool/$fs)
[[ $mymtpt == $mtpt ]] || \
log_fail "$pool/$fs: Incorrect mountpoint ($mymtpt), " \
"expected ($mtpt)."
[[ ! -e $mtpt/$file ]] && \
log_fail "$mtpt/$file missing after import."
read -r checksum2 _ < <(cksum $mymtpt/$file)
log_must [ "$checksum1" = "$checksum2" ]
return 0
}
function cleanup
{
log_must cd $DEVICE_DIR
for pool in $TESTPOOL1 $TESTPOOL2; do
if poolexists "$pool" ; then
cleanup_filesystem $pool $TESTFS
destroy_pool $pool
fi
done
[[ -e $DEVICE_DIR/$DEVICE_ARCHIVE ]] && \
log_must tar xf $DEVICE_DIR/$DEVICE_ARCHIVE
}
function cleanup_all
{
cleanup
# recover dev files
typeset i=0
while (( i < $MAX_NUM )); do
typeset file=${DEVICE_DIR}/${DEVICE_FILE}$i
if [[ -e $file ]]; then
log_must rm $file
fi
log_must mkfile $FILE_SIZE $file
((i += 1))
done
log_must rm -f $DEVICE_DIR/$DEVICE_ARCHIVE
log_must cd $CWD
}
log_onexit cleanup_all
log_assert "Verify that import could handle device overlapped."
CWD=$PWD
log_must cd $DEVICE_DIR
log_must tar cf $DEVICE_DIR/$DEVICE_ARCHIVE ${DEVICE_FILE}*
read -r checksum1 < <(cksum $MYTESTFILE)
typeset -i i=0
typeset -i j=0
typeset -i count=0
typeset -i num=0
typeset vdev1=""
typeset vdev2=""
typeset action
while (( num < $GROUP_NUM )); do
vdev1="$vdev1 ${DEVICE_DIR}/${DEVICE_FILE}$num"
(( num = num + 1 ))
done
while (( i < ${#vdevs[*]} )); do
j=0
while (( j < ${#vdevs[*]} )); do
(( j != 0 )) && \
log_must tar xf $DEVICE_DIR/$DEVICE_ARCHIVE
typeset -i overlap=1
typeset -i begin
typeset -i end
while (( overlap <= $GROUP_NUM )); do
vdev2=""
(( begin = $GROUP_NUM - overlap ))
(( end = 2 * $GROUP_NUM - overlap - 1 ))
(( num = begin ))
while (( num <= end )); do
vdev2="$vdev2 ${DEVICE_DIR}/${DEVICE_FILE}$num"
(( num = num + 1 ))
done
setup_filesystem "$vdev1" $TESTPOOL1 $TESTFS $TESTDIR1 \
"" ${vdevs[i]}
log_must cp $MYTESTFILE $TESTDIR1/$TESTFILE0
log_must zfs umount $TESTDIR1
poolexists $TESTPOOL1 && \
log_must zpool export $TESTPOOL1
setup_filesystem "$vdev2" $TESTPOOL2 $TESTFS $TESTDIR2 \
"" ${vdevs[j]}
log_must cp $MYTESTFILE $TESTDIR2/$TESTFILE0
log_must zfs umount $TESTDIR2
poolexists $TESTPOOL2 && \
log_must zpool export $TESTPOOL2
action=log_must
case "${vdevs[i]}" in
'mirror') (( overlap == $GROUP_NUM )) && \
action=log_mustnot
;;
'raidz') (( overlap > 1 )) && \
action=log_mustnot
;;
'draid') (( overlap > 1 )) && \
action=log_mustnot
;;
'') action=log_mustnot
;;
esac
$action zpool import -d $DEVICE_DIR $TESTPOOL1
log_must zpool import -d $DEVICE_DIR $TESTPOOL2
if [[ $action == log_must ]]; then
verify "$TESTPOOL1" "$TESTFS" "$TESTDIR1" \
"DEGRADED" "$TESTFILE0" "$checksum1"
fi
verify "$TESTPOOL2" "$TESTFS" "$TESTDIR2" \
"ONLINE" "$TESTFILE0" "$checksum1"
cleanup
(( overlap = overlap + 1 ))
done
((j = j + 1))
done
((i = i + 1))
done
log_pass "Import could handle device overlapped."
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