From patchwork Tue May 17 14:32:10 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 9112801 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 33E979FB14 for ; Tue, 17 May 2016 14:33:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 27A7E2022D for ; Tue, 17 May 2016 14:33:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F0EC92021B for ; Tue, 17 May 2016 14:33:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932519AbcEQOcp (ORCPT ); Tue, 17 May 2016 10:32:45 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:35374 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932412AbcEQOco (ORCPT ); Tue, 17 May 2016 10:32:44 -0400 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u4HEWcuQ014185 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 17 May 2016 14:32:38 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u4HEWcC9024953 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 17 May 2016 14:32:38 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u4HEWbKm015243; Tue, 17 May 2016 14:32:38 GMT Received: from arch2.localdomain (/14.96.10.156) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 17 May 2016 07:32:36 -0700 From: Anand Jain To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org, Anand Jain Subject: [PATCH 6/6] fstests: btrfs: test RAID5 device reappear and balance Date: Tue, 17 May 2016 22:32:10 +0800 Message-Id: <1463495530-425-6-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1463495530-425-1-git-send-email-anand.jain@oracle.com> References: <1463495530-425-1-git-send-email-anand.jain@oracle.com> X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The test does the following: Initialize a RAID5 with some data Re-mount RAID5 degraded with _dev3_ missing and write data. Save md5sum checkpoint1 Re-mount healthy RAID5 Let balance fix degraded blocks. Save md5sum checkpoint2 Re-mount RAID1 degraded now with _dev1_ missing. Save md5sum checkpoint3 Verify if all three md5sum matches Signed-off-by: Anand Jain --- tests/btrfs/122 | 178 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/122.out | 8 +++ tests/btrfs/group | 1 + 3 files changed, 187 insertions(+) create mode 100755 tests/btrfs/122 create mode 100644 tests/btrfs/122.out diff --git a/tests/btrfs/122 b/tests/btrfs/122 new file mode 100755 index 000000000000..89c0103fef08 --- /dev/null +++ b/tests/btrfs/122 @@ -0,0 +1,178 @@ +#! /bin/bash +# FS QA Test 122 +# +# This test verify if the reconstructed data on the RAID5 is good. +# Steps: +# Initialize RAID5 with some data +# +# Re-mount RAID5 degraded with dev3 missing and write data +# Save md5sum checkpoint1 +# +# Re-mount healthy RAID5 +# +# Let balance fix the RAID5. +# Save md5sum checkpoint2 +# +# Re-mount RAID5 degraded with dev1 as 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` +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / +} + +# 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 3 + +# we need btrfs to unload, need test dir unmounted +_test_unmount +_require_btrfs_unloadable + +_scratch_dev_pool_get 3 + +dev1=`echo $SCRATCH_DEV_POOL | awk '{print $1}'` +dev2=`echo $SCRATCH_DEV_POOL | awk '{print $2}'` +dev3=`echo $SCRATCH_DEV_POOL | awk '{print $3}'` + +echo dev1=$dev1 >> $seqres.full +echo dev2=$dev2 >> $seqres.full +echo dev3=$dev3 >> $seqres.full + +# Balance won't be successful if filled too much +dev1_sz=`blockdev --getsize64 $dev1` +dev2_sz=`blockdev --getsize64 $dev2` +dev3_sz=`blockdev --getsize64 $dev3` + +# get min of both +max_fs_sz=`echo -e "$dev1_sz\n$dev2_sz\n$dev3_sz" | sort | head -1` +if [ $max_fs_sz -gt 1000000 ]; then + bs="1M" + count=$(( max_fs_sz/1000000 )) + count=$(( count/100 )) +else + _notrun "Smallest dev size $max_fs_sz, Need at least 2M" +fi + +#-------------init------------------- +echo >> $seqres.full +echo "max_fs_sz=$max_fs_sz count=$count" >> $seqres.full +echo "-----Initialize -----" >> $seqres.full +_scratch_pool_mkfs "-mraid5 -draid5" >> $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 +dd if=/dev/zero of="$SCRATCH_MNT"/tf1 bs=$bs count=1 \ + >>$seqres.full 2>&1 +_run_btrfs_util_prog filesystem show +_run_btrfs_util_prog filesystem df $SCRATCH_MNT +count=$(( count-- )) + + +#-------------degraded-init------------------- +echo >> $seqres.full +echo "-----Write degraded mount fill upto $max_fs_sz bytes-----" >> $seqres.full +echo +echo "Write data with degraded mount" + +echo "unmount" >> $seqres.full +_scratch_unmount +echo "clean btrfs ko" >> $seqres.full +_reload_btrfs_ko +_mount -o degraded,device=$dev2 $dev1 $SCRATCH_MNT >>$seqres.full 2>&1 +dd if=/dev/zero of="$SCRATCH_MNT"/tf2 bs=$bs count=$count \ + >>$seqres.full 2>&1 +_run_btrfs_util_prog filesystem show +_run_btrfs_util_prog filesystem df $SCRATCH_MNT +checkpoint1=`md5sum $SCRATCH_MNT/tf2` +echo $checkpoint1 >> $seqres.full 2>&1 + +#-------------balance------------------- +echo >> $seqres.full +echo "-----Mount normal-----" >> $seqres.full +echo +echo "Mount normal after balance" + +_scratch_unmount +_run_btrfs_util_prog device scan +_scratch_mount >> $seqres.full 2>&1 + +echo >> $seqres.full +_run_btrfs_util_prog balance start ${SCRATCH_MNT} + +_run_btrfs_util_prog filesystem show +_run_btrfs_util_prog filesystem df ${SCRATCH_MNT} + +checkpoint2=`md5sum $SCRATCH_MNT/tf2` +echo $checkpoint2 >> $seqres.full 2>&1 + +#-------------degraded-mount------------------- +echo >> $seqres.full +echo "-----Mount degraded with dev1 missing-----" >> $seqres.full +echo +echo "Mount degraded but with other dev" + +_scratch_unmount +_reload_btrfs_ko + +_mount -o degraded,device=${dev2} $dev3 $SCRATCH_MNT >>$seqres.full 2>&1 + +_run_btrfs_util_prog filesystem show +_run_btrfs_util_prog filesystem df $SCRATCH_MNT +checkpoint3=`md5sum $SCRATCH_MNT/tf2` +echo $checkpoint3 >> $seqres.full 2>&1 + +if [ "$checkpoint1" != "$checkpoint2" ]; then + echo $checkpoint1 + echo $checkpoint2 + _fail "Inital sum does not match with after balance" +fi + +if [ "$checkpoint1" != "$checkpoint3" ]; then + echo $checkpoint1 + echo $checkpoint3 + _fail "Inital sum does not match with data on dev2 written by balance" +fi + +_scratch_dev_pool_put +_test_mount + +echo "Silence is golden" +status=0 +exit diff --git a/tests/btrfs/122.out b/tests/btrfs/122.out new file mode 100644 index 000000000000..5bac6be9bec2 --- /dev/null +++ b/tests/btrfs/122.out @@ -0,0 +1,8 @@ +QA output created by 122 + +Write data with degraded mount + +Mount normal after balance + +Mount degraded but with other dev +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index 5c28a3ca0687..848037bbacd8 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -123,3 +123,4 @@ 119 auto quick snapshot metadata qgroup 120 auto quick snapshot metadata 121 auto replace +122 auto replace