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265: Functional test case for the btrfs raid operations
This will verify the various raid features in btrfs and device replacement functionality. Signed-off-by: Anand Jain <Anand.Jain@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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Anand Jain
committed by
Christoph Hellwig
Christoph Hellwig
parent
c6c8f381b3
commit
c05a8ba23f
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#! /bin/bash
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# FS QA Test No. 265
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#
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# btrfs vol tests
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2011 Oracle. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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# creator
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owner=anand.jain@oracle.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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dev_removed=0
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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if [ $dev_removed == 1 ]; then
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umount $SCRATCH_MNT
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_devmgt_add "${DEVHTL}"
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fi
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}
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_need_to_be_root
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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_require_scratch_dev_pool
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_require_deletable_scratch_dev_pool
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# Test cases related to raid in btrfs
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_test_raid0()
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{
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export MKFS_OPTIONS="-m raid0 -d raid0"
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_scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
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_scratch_mount
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dirp=`mktemp -duq $SCRATCH_MNT/dir.XXXXXX`
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_populate_fs -n 1 -f 20 -d 10 -r $dirp -s 10
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umount $SCRATCH_MNT
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}
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_test_raid1()
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{
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export MKFS_OPTIONS="-m raid1 -d raid1"
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_scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
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_scratch_mount
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dirp=`mktemp -duq $SCRATCH_MNT/dir.XXXXXX`
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_populate_fs -n 1 -f 20 -d 10 -r $dirp -s 10
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umount $SCRATCH_MNT
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}
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_test_raid10()
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{
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export MKFS_OPTIONS="-m raid10 -d raid10"
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_scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
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_scratch_mount
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dirp=`mktemp -duq $SCRATCH_MNT/dir.XXXXXX`
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_populate_fs -n 1 -f 20 -d 10 -r $dirp -s 10
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umount $SCRATCH_MNT
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}
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_test_single()
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{
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export MKFS_OPTIONS="-m single -d single"
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_scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
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_scratch_mount
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dirp=`mktemp -duq $SCRATCH_MNT/dir.XXXXXX`
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_populate_fs -n 1 -f 20 -d 10 -r $dirp -s 10
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umount $SCRATCH_MNT
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}
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_test_add()
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{
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local i
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local devs[]="( $SCRATCH_DEV_POOL )"
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local n=${#devs[@]}
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n=$(($n-1))
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export MKFS_OPTIONS=""
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_scratch_mkfs > /dev/null 2>&1 || _fail "mkfs failed"
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_scratch_mount
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dirp=`mktemp -duq $SCRATCH_MNT/dir.XXXXXX`
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_populate_fs -n 1 -f 20 -d 10 -r $dirp -s 10
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for i in `seq 1 $n`; do
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btrfs device add ${devs[$i]} $SCRATCH_MNT > /dev/null 2>&1 || _fail "device add failed"
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done
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btrfs filesystem balance $SCRATCH_MNT || _fail "balance failed"
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umount $SCRATCH_MNT
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}
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_test_replace()
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{
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local i
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local devs=( $SCRATCH_DEV_POOL )
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local n=${#devs[@]}
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local ds
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local d
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local DEVHTL=""
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# exclude the last disk in the disk pool
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n=$(($n-1))
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ds=${devs[@]:0:$n}
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export MKFS_OPTIONS="-m raid1 -d raid1"
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_scratch_mkfs "$ds" > /dev/null 2>&1 || _fail "tr: mkfs failed"
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_scratch_mount
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dirp=`mktemp -duq $SCRATCH_MNT/dir.XXXXXX`
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_populate_fs -n 1 -f 20 -d 10 -r $dirp -s 10
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#pick the 2nd last disk
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ds=${devs[@]:$(($n-1)):1}
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# retrive the HTL for this scsi disk
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d=`echo $ds|cut -d"/" -f3`
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DEVHTL=`ls -l /sys/class/block/${d} | rev | cut -d "/" -f 3 | rev`
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#fail disk
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_devmgt_remove ${DEVHTL}
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dev_removed=1
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btrfs fi show $SCRATCH_DEV | grep "Some devices missing" > /dev/null || _fail \
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"btrfs did not report device missing"
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# add a new disk to btrfs
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ds=${devs[@]:$(($n)):1}
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btrfs device add ${ds} $SCRATCH_MNT > /dev/null 2>&1 || _fail "dev add failed"
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# in some system balance fails if there is no delay (a bug)
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# putting sleep 10 to work around as of now
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# sleep 10
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btrfs fi balance $SCRATCH_MNT || _fail "dev balance failed"
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# cleaup. add the removed disk
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umount $SCRATCH_MNT
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_devmgt_add "${DEVHTL}"
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dev_removed=0
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}
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_test_remove()
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{
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_scratch_mkfs "$SCRATCH_DEV_POOL" > /dev/null 2>&1 || _fail "mkfs failed"
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_scratch_mount
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dirp=`mktemp -duq $SCRATCH_MNT/dir.XXXXXX`
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_populate_fs -n 1 -f 20 -d 10 -r $dirp -s 10
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# pick last dev in the list
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dev_del=`echo ${SCRATCH_DEV_POOL} | awk '{print $NF}'`
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btrfs device delete $dev_del $SCRATCH_MNT || _fail "btrfs device delete failed"
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btrfs fi show $SCRATCH_DEV 2>&1 | grep $dev_del > /dev/null && _fail "btrfs still shows the deleted dev"
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umount $SCRATCH_MNT
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}
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_test_raid0
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_test_raid1
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_test_raid10
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_test_single
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_test_add
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_test_replace
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_test_remove
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echo "Silence is golden"
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status=0; exit
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