new file mode 100755
@@ -0,0 +1,93 @@
+#! /bin/bash
+# FS QA Test No. btrfs/095
+#
+# Test of missing device replace in different raid mode
+#
+# Be sure $SCRATCH_DEV_POOL including 5 devices. And all
+# devices in pool must be in the same size.
+#
+# To check the fs after replacing a dev, a scrub run is performed.
+#
+# This issue has been fixed by Omar Sandoval's patch:
+# Btrfs: RAID 5/6 missing device scrub+replace
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Fujitsu. All Rights Reserved.
+# Author: Wang Yanfeng <wangyf-fnst@cn.fujitsu.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+status=1
+trap "exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_need_to_be_root
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+_require_scratch_dev_pool 5
+
+rm -f $seqres.full
+
+REPLACE_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $5}'`
+export SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | awk '{print $1,$2,$3,$4}'`
+
+_test () {
+ export MKFS_OPTIONS="-m $1 -d $1"
+ _scratch_pool_mkfs >>$seqres.full || _fail "mkfs failed"
+ _scratch_mount
+
+ PRUNE_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $2}'`
+ PRUNE_DEV_ID=`$BTRFS_UTIL_PROG fi show $SCRATCH_MNT | grep $PRUNE_DEV | awk '{print $2}'`
+
+ # dd some data
+ dd if=/dev/urandom of="$SCRATCH_MNT"/file1 bs=1M count=1 \
+ >>$seqres.full 2>&1 || _fail "dd failed"
+ dd if=/dev/urandom of="$SCRATCH_MNT"/file2 bs=1M count=2 \
+ >>$seqres.full 2>&1 || _fail "dd failed"
+ dd if=/dev/urandom of="$SCRATCH_MNT"/file3 bs=1M count=4 \
+ >>$seqres.full 2>&1 || _fail "dd failed"
+
+ # prune the device PRUNE_DEV && remount by degraded mode
+ umount $SCRATCH_MNT
+ dd if=/dev/zero of=$PRUNE_DEV bs=1M count=1 >>$seqres.full 2>&1 \
+ || _fail "dd failed"
+ mount -o degraded $SCRATCH_DEV $SCRATCH_MNT
+
+ # replace the missing dev $PRUNE_DEV with $REPLACE_DEV and scrub it
+ $BTRFS_UTIL_PROG replace start -B -r $PRUNE_DEV_ID $REPLACE_DEV \
+ $SCRATCH_MNT -f >>$seqres.full 2>&1 || _fail "replace failed"
+ $BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1 \
+ || _fail "scrub failed"
+
+ umount $SCRATCH_MNT
+}
+
+_test "raid1"
+_test "raid10"
+_test "raid5"
+_test "raid6"
+
+echo "Silence is golden"
+status=0
+exit
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@@ -0,0 +1,2 @@
+QA output created by 095
+Silence is golden
@@ -96,3 +96,4 @@
092 auto quick send
093 auto quick clone
094 auto quick send
+095 auto
Test of missing device replace in different raid modes. This test requires SCRATCH_DEV_POOL contain 5 same size devices. This issue has been fixed by Omar's patch: Btrfs: RAID 5/6 missing device scrub+replace Signed-off-by: Wang Yanfeng <wangyf-fnst@cn.fujitsu.com> --- tests/btrfs/095 | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/095.out | 2 ++ tests/btrfs/group | 1 + 3 files changed, 96 insertions(+) create mode 100755 tests/btrfs/095 create mode 100644 tests/btrfs/095.out