From patchwork Wed Jun 15 08:48:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 9177879 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 81E8E60573 for ; Wed, 15 Jun 2016 08:48:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6F81A2821F for ; Wed, 15 Jun 2016 08:48:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 62CD62833D; Wed, 15 Jun 2016 08:48:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D279E2821F for ; Wed, 15 Jun 2016 08:48:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752296AbcFOIsL (ORCPT ); Wed, 15 Jun 2016 04:48:11 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:29122 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752767AbcFOIsI (ORCPT ); Wed, 15 Jun 2016 04:48:08 -0400 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5F8m7BZ028211 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 15 Jun 2016 08:48:07 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5F8m6Hs017445 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 15 Jun 2016 08:48:07 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5F8m6SP008015; Wed, 15 Jun 2016 08:48:06 GMT Received: from arch2.localdomain (/42.60.24.64) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 15 Jun 2016 01:48:06 -0700 From: Anand Jain To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org Subject: [PATCH v2 5/6] fstests: btrfs: test RAID1 device reappear and balanced Date: Wed, 15 Jun 2016 16:48:47 +0800 Message-Id: <1465980527-19031-1-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1463495530-425-5-git-send-email-anand.jain@oracle.com> References: <1463495530-425-5-git-send-email-anand.jain@oracle.com> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Anand Jain The test does the following: Initialize a RAID1 with some data Re-mount RAID1 degraded with _dev1_ and write up to half of the FS capacity Save md5sum checkpoint1 Re-mount healthy RAID1 Let balance re-silver. Save md5sum checkpoint2 Re-mount RAID1 degraded with _dev2_ Save md5sum checkpoint3 Verify if all three md5sum match Signed-off-by: Anand Jain --- v2: add tmp= and its rm add comments to why _reload_btrfs_ko is used add missing put and test_mount at notrun exit use echo instead of _fail when checkpoints are checked .out updated to remove Silence.. tests/btrfs/123 | 169 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/123.out | 7 +++ tests/btrfs/group | 1 + 3 files changed, 177 insertions(+) create mode 100755 tests/btrfs/123 create mode 100644 tests/btrfs/123.out diff --git a/tests/btrfs/123 b/tests/btrfs/123 new file mode 100755 index 000000000000..33decfd1c434 --- /dev/null +++ b/tests/btrfs/123 @@ -0,0 +1,169 @@ +#! /bin/bash +# FS QA Test 123 +# +# This test verify the RAID1 reconstruction on the reappeared +# device. By using the following steps: +# Initialize a RAID1 with some data +# +# Re-mount RAID1 degraded with dev2 missing and write up to +# half of the FS capacity. +# Save md5sum checkpoint1 +# +# Re-mount healthy RAID1 +# +# Let balance re-silver. +# Save md5sum checkpoint2 +# +# Re-mount RAID1 degraded with dev1 missing +# Save md5sum checkpoint3 +# +# Verify if all three checkpoints match +# +#--------------------------------------------------------------------- +# Copyright (c) 2016 Oracle. All Rights Reserved. +# +# 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" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +_supported_fs btrfs +_supported_os Linux +_require_scratch_nocheck +_require_scratch_dev_pool 2 + +# the mounted test dir prevent btrfs unload, we need to unmount +_test_unmount +_require_btrfs_loadable + +_scratch_dev_pool_get 2 + +dev1=`echo $SCRATCH_DEV_POOL | awk '{print $1}'` +dev2=`echo $SCRATCH_DEV_POOL | awk '{print $2}'` + +dev1_sz=`blockdev --getsize64 $dev1` +dev2_sz=`blockdev --getsize64 $dev2` +# get min of both +max_fs_sz=`echo -e "$dev1_sz\n$dev2_sz" | sort | head -1` +max_fs_sz=$(( max_fs_sz/2 )) +if [ $max_fs_sz -gt 1000000 ]; then + bs="1M" + count=$(( max_fs_sz/1000000 )) +else + max_fs_sz=$(( max_fs_sz*2 )) + _scratch_dev_pool_put + _test_mount + _notrun "Smallest dev size $max_fs_sz, Need at least 2M" +fi + +echo >> $seqres.full +echo "max_fs_sz=$max_fs_sz count=$count" >> $seqres.full +echo "-----Initialize -----" >> $seqres.full +_scratch_pool_mkfs "-mraid1 -draid1" >> $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 +_run_btrfs_util_prog filesystem show +dd if=/dev/zero of="$SCRATCH_MNT"/tf1 bs=$bs count=1 \ + >>$seqres.full 2>&1 +count=$(( count-- )) +echo "unmount" >> $seqres.full +echo "clean btrfs ko" >> $seqres.full +_scratch_unmount + +# un-scan the btrfs devices +_reload_btrfs_ko + + +echo >> $seqres.full +echo "-----Write degraded mount fill upto $max_fs_sz bytes-----" >> $seqres.full +echo +echo "Write data with degraded mount" +# Since we didn't run dev scan, btrfs kernel does not know +# about the dev2 +# don't use _scratch_mount as we want to control +# the device used for mounting. + +_mount -o degraded $dev1 $SCRATCH_MNT >>$seqres.full 2>&1 +_run_btrfs_util_prog filesystem show +dd if=/dev/zero of="$SCRATCH_MNT"/tf2 bs=$bs count=$count \ + >>$seqres.full 2>&1 +checkpoint1=`md5sum $SCRATCH_MNT/tf2` +echo $checkpoint1 >> $seqres.full 2>&1 +_scratch_unmount +echo "unmount" >> $seqres.full + +echo >> $seqres.full +echo "-----Mount normal-----" >> $seqres.full +echo +echo "Mount normal after balance" +_run_btrfs_util_prog device scan +_scratch_mount >> $seqres.full 2>&1 +_run_btrfs_util_prog filesystem show +echo >> $seqres.full +_run_btrfs_util_prog balance start ${SCRATCH_MNT} + +checkpoint2=`md5sum $SCRATCH_MNT/tf2` +echo $checkpoint2 >> $seqres.full 2>&1 + +echo >> $seqres.full +echo "-----Mount degraded but with other dev -----" >> $seqres.full +echo +echo "Mount degraded but with other dev" +_scratch_unmount +# un-scan the btrfs devices +_reload_btrfs_ko +_mount -o degraded $dev2 $SCRATCH_MNT >>$seqres.full 2>&1 +_run_btrfs_util_prog filesystem show +checkpoint3=`md5sum $SCRATCH_MNT/tf2` +echo $checkpoint3 >> $seqres.full 2>&1 + +if [ "$checkpoint1" != "$checkpoint2" ]; then + echo $checkpoint1 + echo $checkpoint2 + echo "Inital sum does not match with after balance" +fi + +if [ "$checkpoint1" != "$checkpoint3" ]; then + echo $checkpoint1 + echo $checkpoint3 + echo "Inital sum does not match with data on dev2 written by balance" +fi + +_scratch_dev_pool_put +_test_mount + +status=0 +exit diff --git a/tests/btrfs/123.out b/tests/btrfs/123.out new file mode 100644 index 000000000000..1aa77036b55b --- /dev/null +++ b/tests/btrfs/123.out @@ -0,0 +1,7 @@ +QA output created by 123 + +Write data with degraded mount + +Mount normal after balance + +Mount degraded but with other dev diff --git a/tests/btrfs/group b/tests/btrfs/group index da0e27fa308d..1c4bfa8dbc96 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -124,3 +124,4 @@ 120 auto quick snapshot metadata 121 auto quick snapshot qgroup 122 auto quick snapshot qgroup +123 auto replace