mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Dave Chinner
1ff4192932
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
168 lines
4.1 KiB
Bash
Executable File
168 lines
4.1 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2016 Oracle. All Rights Reserved.
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#
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# FS QA Test 125
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#
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# This test verify if the reconstructed data on the RAID5 is good.
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# Steps:
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# Initialize RAID5 with some data
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#
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# Re-mount RAID5 degraded with dev3 missing and write data
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# Save md5sum checkpoint1
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#
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# Re-mount healthy RAID5
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#
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# Let balance fix the RAID5.
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# Save md5sum checkpoint2
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#
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# Re-mount RAID5 degraded with dev1 as missing.
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# Save md5sum checkpoint3
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#
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# Verify if all three checkpoints match
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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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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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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}
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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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. ./common/module
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch_dev_pool 3
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_test_unmount
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_require_loadable_fs_module "btrfs"
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_scratch_dev_pool_get 3
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dev1=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
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dev2=`echo $SCRATCH_DEV_POOL | awk '{print $2}'`
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dev3=`echo $SCRATCH_DEV_POOL | awk '{print $3}'`
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echo dev1=$dev1 >> $seqres.full
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echo dev2=$dev2 >> $seqres.full
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echo dev3=$dev3 >> $seqres.full
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# Balance won't be successful if filled too much
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dev1_sz=`blockdev --getsize64 $dev1`
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dev2_sz=`blockdev --getsize64 $dev2`
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dev3_sz=`blockdev --getsize64 $dev3`
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# get min of both.
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max_fs_sz=`echo -e "$dev1_sz\n$dev2_sz\n$dev3_sz" | sort | head -1`
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# Need disks with more than 2G
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if [ $max_fs_sz -lt 2000000000 ]; then
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_scratch_dev_pool_put
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_test_mount
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_notrun "Smallest dev size $max_fs_sz, Need at least 2G"
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fi
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max_fs_sz=100000000
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bs="1M"
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count=$(($max_fs_sz / 1000000))
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#-------------normal init-------------------
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echo >> $seqres.full
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echo "max_fs_sz=$max_fs_sz count=$count" >> $seqres.full
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echo "-----Initialize -----" >> $seqres.full
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_scratch_pool_mkfs "-mraid5 -draid5" >> $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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dd if=/dev/zero of="$SCRATCH_MNT"/tf1 bs=$bs count=1 \
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>>$seqres.full 2>&1
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_run_btrfs_util_prog filesystem show
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_run_btrfs_util_prog filesystem df $SCRATCH_MNT
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count=$(( count-- ))
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#-------------degraded-init-------------------
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echo >> $seqres.full
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echo "-----Write degraded mount fill upto $max_fs_sz bytes-----" >> $seqres.full
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echo
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echo "Write data with degraded mount"
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echo "unmount" >> $seqres.full
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_scratch_unmount
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echo "clean btrfs ko" >> $seqres.full
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# un-scan the btrfs devices
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_reload_fs_module "btrfs"
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_mount -o degraded,device=$dev2 $dev1 $SCRATCH_MNT >>$seqres.full 2>&1
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dd if=/dev/zero of="$SCRATCH_MNT"/tf2 bs=$bs count=$count \
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>>$seqres.full 2>&1
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_run_btrfs_util_prog filesystem show
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_run_btrfs_util_prog filesystem df $SCRATCH_MNT
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checkpoint1=`md5sum $SCRATCH_MNT/tf2`
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echo $checkpoint1 >> $seqres.full 2>&1
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#-------------balance-------------------
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echo >> $seqres.full
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echo "-----Mount normal-----" >> $seqres.full
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echo
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echo "Mount normal and balance"
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_scratch_unmount
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_run_btrfs_util_prog device scan
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_scratch_mount >> $seqres.full 2>&1
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echo >> $seqres.full
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_run_btrfs_util_prog balance start ${SCRATCH_MNT}
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_run_btrfs_util_prog filesystem show
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_run_btrfs_util_prog filesystem df ${SCRATCH_MNT}
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checkpoint2=`md5sum $SCRATCH_MNT/tf2`
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echo $checkpoint2 >> $seqres.full 2>&1
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#-------------degraded-mount-------------------
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echo >> $seqres.full
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echo "-----Mount degraded with dev1 missing-----" >> $seqres.full
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echo
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echo "Mount degraded but with other dev"
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_scratch_unmount
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# un-scan the btrfs devices
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_reload_fs_module "btrfs"
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_mount -o degraded,device=${dev2} $dev3 $SCRATCH_MNT >>$seqres.full 2>&1
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_run_btrfs_util_prog filesystem show
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_run_btrfs_util_prog filesystem df $SCRATCH_MNT
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checkpoint3=`md5sum $SCRATCH_MNT/tf2`
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echo $checkpoint3 >> $seqres.full 2>&1
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if [ "$checkpoint1" != "$checkpoint2" ]; then
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echo $checkpoint1
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echo $checkpoint2
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echo "Inital sum does not match with after balance"
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fi
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if [ "$checkpoint1" != "$checkpoint3" ]; then
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echo $checkpoint1
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echo $checkpoint3
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echo "Inital sum does not match with data on dev2 written by balance"
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fi
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$UMOUNT_PROG $dev2
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_scratch_dev_pool_put
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_test_mount
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status=0
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exit
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