2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Oracle. All Rights Reserved.
7 # Test case to verify that a seed device can be replaced
9 # Create a sprout device
11 # Run device replace on the seed device
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
18 status=1 # failure is the default!
19 trap "_cleanup; exit \$status" 0 1 2 3 15
27 # get standard environment, filters and checks
30 . ./common/filter.btrfs
32 # remove previous $seqres.full before test
35 # real QA test starts here
37 # Modify as appropriate.
40 _require_command "$BTRFS_TUNE_PROG" btrfstune
41 _require_scratch_dev_pool 3
43 _scratch_dev_pool_get 3
45 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
46 dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
47 dev_replace_tgt=$(echo $SCRATCH_DEV_POOL | awk '{print $3}')
52 run_check _mount $dev_seed $SCRATCH_MNT
53 $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 4M" $SCRATCH_MNT/foobar >\
56 od -x $SCRATCH_MNT/foobar
57 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
59 $BTRFS_TUNE_PROG -S 1 $dev_seed
60 run_check _mount $dev_seed $SCRATCH_MNT
65 _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
66 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
71 _run_btrfs_util_prog replace start -fB $dev_seed $dev_replace_tgt $SCRATCH_MNT
72 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
74 run_check _mount $dev_replace_tgt $SCRATCH_MNT
76 od -x $SCRATCH_MNT/foobar
83 run_check _mount $dev_seed $SCRATCH_MNT
84 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT