mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Rewrote test 068, test to to reproduce xfs_freeze hang under filsystem load.
Merge of master-melb:xfs-cmds:21434a by kenmcd. Rewrote test 068. Test case to reproduce xfs_freeze hang under filsystem load.
This commit is contained in:
Andrew Jones
@@ -1,99 +1,49 @@
|
||||
#! /bin/sh
|
||||
# FS QA Test No. 068
|
||||
# FSQA Test No. 068
|
||||
#
|
||||
# Test Linux LVM snapshot creation
|
||||
#
|
||||
# The timing and placement of kills and waits is particularily sensitive.
|
||||
# Don't change them unless you want to spend some time getting it right again.
|
||||
# Test case to reproduce xfs_freeze hang under filsystem load.
|
||||
# The fail case for this test is a hang on an xfs_freeze.
|
||||
#
|
||||
#-----------------------------------------------------------------------
|
||||
# Copyright (c) 2000, 2002 Silicon Graphics, Inc. All Rights Reserved.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify it
|
||||
# under the terms of version 2 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.
|
||||
#
|
||||
# Further, this software is distributed without any warranty that it is
|
||||
# free of the rightful claim of any third person regarding infringement
|
||||
# or the like. Any license provided herein, whether implied or
|
||||
# otherwise, applies only to this software file. Patent licenses, if
|
||||
# any, provided herein do not apply to combinations of this program with
|
||||
# other software, or any other product whatsoever.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along
|
||||
# with this program; if not, write the Free Software Foundation, Inc., 59
|
||||
# Temple Place - Suite 330, Boston MA 02111-1307, USA.
|
||||
#
|
||||
# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
|
||||
# Mountain View, CA 94043, or:
|
||||
#
|
||||
# http://www.sgi.com
|
||||
#
|
||||
# For further information regarding this notice, see:
|
||||
#
|
||||
# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
|
||||
# Copyright (c) 2000-2005 Silicon Graphics, Inc. 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; either version 2 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will 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 to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
||||
# USA
|
||||
#
|
||||
# Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
|
||||
# Mountain View, CA 94043, USA, or: http://www.sgi.com
|
||||
#-----------------------------------------------------------------------
|
||||
#
|
||||
# creator
|
||||
owner=freemyer@NorcrossGroup.com
|
||||
owner=ajones@sgi.com
|
||||
|
||||
seq=`basename $0`
|
||||
echo "QA output created by $seq"
|
||||
|
||||
here=`pwd`
|
||||
tmp=/tmp/$$
|
||||
mkdir "$tmp"
|
||||
status=1 # failure is the default!
|
||||
status=0 # success is the default!
|
||||
|
||||
# Either "dd" or "fsstress" can be used to generate io load.
|
||||
# Setting both to "FALSE" tests with no io load.
|
||||
GENERATE_IO_LOAD_VIA_DD=TRUE
|
||||
GENERATE_IO_LOAD_VIA_FSSTRESS=TRUE
|
||||
DELAY_BETWEEN_ITERATIONS=10
|
||||
#ITERATIONS=10000
|
||||
ITERATIONS=2
|
||||
|
||||
VG=/dev/VGscratch
|
||||
SCRATCH_SNAP_MNT="$tmp/scratch_snap"
|
||||
|
||||
# Only needed if running by hand, ie. check sets these
|
||||
#SCRATCH_LVM_DEV=/dev/xxxx
|
||||
#SCRATCH_MNT=/scratch
|
||||
ITERATIONS=10
|
||||
|
||||
_cleanup()
|
||||
{
|
||||
echo Cleanup beginning
|
||||
cd /
|
||||
_cleanup_testdir
|
||||
|
||||
rm "$tmp/running"
|
||||
xfs_freeze -u "$SCRATCH_MNT"
|
||||
|
||||
sleep 10 # Give the dd loop time to finish
|
||||
|
||||
# Comment out unless needed.
|
||||
# If needed, wrap with logic to ensure the FS is mounted.
|
||||
# Kill off any other possible stray stragglers that may be out there.
|
||||
# There should not be any.
|
||||
#fuser -k -m "$SCRATCH_SNAP_MNT/dummy" >/dev/null 2>&1
|
||||
#fuser -k -m "$SCRATCH_MNT/dummy" >/dev/null 2>&1
|
||||
|
||||
wait
|
||||
|
||||
umount "$SCRATCH_SNAP_MNT" > /dev/null 2>&1
|
||||
rmdir "$SCRATCH_SNAP_MNT" > /dev/null 2>&1
|
||||
umount "$SCRATCH_MNT" > /dev/null 2>&1
|
||||
|
||||
lvremove -f "$VG/scratch_snap" > /dev/null 2>&1
|
||||
lvremove -f "$VG/scratch" > /dev/null 2>&1
|
||||
|
||||
#TODO vgremove "$VG"
|
||||
|
||||
rm -rf "$tmp" # if we ever use tmp files
|
||||
trap 0 1 2 3 15
|
||||
exit $status
|
||||
trap 0 1 2 3 15
|
||||
exit $status
|
||||
}
|
||||
|
||||
trap "_cleanup" 0 1 2 3 15
|
||||
@@ -105,162 +55,71 @@ trap "_cleanup" 0 1 2 3 15
|
||||
|
||||
# real QA test starts here
|
||||
_supported_fs xfs
|
||||
_supported_os Linux
|
||||
_supported_os Linux IRIX
|
||||
|
||||
if [ -e "$SCRATCH_SNAP_MNT" ]; then
|
||||
rmdir "$SCRATCH_SNAP_MNT" || _notrun "Cannot rmdir $SCRATCH_SNAP_MNT"
|
||||
fi
|
||||
mkdir "$SCRATCH_SNAP_MNT"
|
||||
_require_scratch
|
||||
|
||||
#Verify we have the lvm user tools
|
||||
[ -x /sbin/lvcreate ] || _notrun "lvcreate utility is not installed in /sbin"
|
||||
[ -x /sbin/lvremove ] || _notrun "lvremove utility is not installed in /sbin"
|
||||
echo "*** init FS"
|
||||
|
||||
# If the above fails for LVM 2, the below may be useful notes
|
||||
# try "lvm vgdisplay --version" and look for a > 1.9x version number, eg,
|
||||
#
|
||||
# LVM version: 1.95.10-cvs (2002-05-31)
|
||||
# Library version: 0.96.03-ioctl-cvs (2002-06-27)
|
||||
# Driver version: 1.0.3
|
||||
rm -f $seq.full
|
||||
umount $SCRATCH_DEV >/dev/null 2>&1
|
||||
echo "*** MKFS ***" >>$seq.full
|
||||
echo "" >>$seq.full
|
||||
_scratch_mkfs_xfs >>$seq.full 2>&1 \
|
||||
|| _fail "mkfs failed"
|
||||
_scratch_mount >>$seq.full 2>&1 \
|
||||
|| _fail "mount failed"
|
||||
|
||||
touch $tmp.running
|
||||
|
||||
|
||||
LVM=false
|
||||
# start fsstress loop in a background block
|
||||
{
|
||||
STRESS_DIR="$SCRATCH_MNT/fsstress_test_dir"
|
||||
mkdir "$STRESS_DIR"
|
||||
|
||||
# Check if LVM 1 is in the kernel
|
||||
if grep lvm /proc/devices > /dev/null; then LVM=true; fi
|
||||
procs=2
|
||||
nops=200
|
||||
while [ -f "$tmp.running" ]
|
||||
do
|
||||
# -w ensures that the only ops are ones which cause write I/O
|
||||
ltp/fsstress -d $STRESS_DIR -w -p $procs -n $nops $FSSTRESS_AVOID \
|
||||
> /dev/null 2>&1
|
||||
done
|
||||
|
||||
# Check if LVM 2 is in the kernel
|
||||
if grep device-mapper /proc/devices > /dev/null; then LVM=true; fi
|
||||
rm -r $STRESS_DIR/*
|
||||
rmdir $STRESS_DIR
|
||||
} &
|
||||
|
||||
# Check if EVMS is in the kernel
|
||||
#TODO # I don't know how to do this one.
|
||||
i=0
|
||||
ITERATIONS=`expr $ITERATIONS - 1`
|
||||
|
||||
[ "$LVM" = false ] && _notrun "LVM is not present in the running kernel."
|
||||
|
||||
|
||||
# Create a PV set from the scratch partition
|
||||
#TODO # (I don't know if this is needed.and it is dangerous because it intentionally deletes the partition table!!!
|
||||
#TODO # dd if=/dev/zero of="$SCRATCH_LVM_DEV" bs=512 count=1
|
||||
#TODO # pvcreate "$SCRATCH_LVM_DEV"
|
||||
|
||||
# Create a VG from the PV
|
||||
#TODO # vgcreate "$VG" "$SCRATCH_LVM_DEV"
|
||||
|
||||
# Create a LV in the VG to snapshot
|
||||
#TODO # lvcreate -L 2G -n scratch "$VG"
|
||||
|
||||
# Mount the LV
|
||||
mkdir "$SCRATCH_MNT"
|
||||
|
||||
mount "$VG/scratch" "$SCRATCH_MNT"
|
||||
|
||||
touch "$tmp/running"
|
||||
|
||||
if [ "$GENERATE_IO_LOAD_VIA_DD" != FALSE ]
|
||||
then
|
||||
# Create a large 64 Meg zero filled file on the LV
|
||||
dd if=/dev/zero of=$SCRATCH_MNT/dummy bs=64k count=1000 >/dev/null 2>&1
|
||||
|
||||
# Setup infinite loop copying the large file, thus generating heavy I/O
|
||||
touch "$tmp/running"
|
||||
while [ -f "$tmp/running" ]
|
||||
do
|
||||
dd if="$SCRATCH_MNT/dummy" of="$SCRATCH_MNT/junk" bs=64k \
|
||||
> /dev/null 2>&1
|
||||
# This forces metadata updates the next time around
|
||||
rm "$SCRATCH_MNT/junk"
|
||||
sync
|
||||
done
|
||||
fi &
|
||||
|
||||
if [ "$GENERATE_IO_LOAD_VIA_FSSTRESS" != FALSE ]
|
||||
then
|
||||
STRESS_DIR="$SCRATCH_MNT/fsstress_test_dir"
|
||||
mkdir "$STRESS_DIR"
|
||||
|
||||
while [ -f "$tmp/running" ]
|
||||
do
|
||||
# -n 10 makes this take about 10 seconds,
|
||||
# This allows the loop to end shortly after $tmp/running
|
||||
# is deleted
|
||||
$here/ltp/fsstress -d "$STRESS_DIR" -n 10 > /dev/null 2>&1
|
||||
sync
|
||||
done
|
||||
|
||||
rm -rf "$STRESS_DIR"
|
||||
fi &
|
||||
|
||||
ii=1
|
||||
|
||||
while [ $ii -le "$ITERATIONS" ]
|
||||
echo | tee -a $seq.full
|
||||
while [ $i -le $ITERATIONS ]
|
||||
do
|
||||
echo "*** iteration: $i" | tee -a $seq.full
|
||||
echo "*** freezing \$SCRATCH_MNT" | tee -a $seq.full
|
||||
xfs_freeze -f "$SCRATCH_MNT" | tee -a $seq.full
|
||||
[ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed | \
|
||||
tee -a $seq.full
|
||||
sleep 2
|
||||
|
||||
# Useful if running interactively, but not from the xfs test scripts
|
||||
#echo $ii
|
||||
|
||||
# If the VFS lock patch is present, the calls to xfs_freeze
|
||||
# are redundant, but should cause no problems
|
||||
# OPTIONAL
|
||||
xfs_freeze -f "$SCRATCH_MNT"
|
||||
[ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed
|
||||
(
|
||||
lvcreate --snapshot --size 1G --name scratch_snap "$VG/scratch"\
|
||||
> /dev/null 2>&1
|
||||
ret=$?
|
||||
[ $ret != 0 ] && \
|
||||
echo "Snapshot $SCRATCH_MNT create failed, status=$ret"
|
||||
) &
|
||||
SNAPSHOT_shell_pid=$!
|
||||
|
||||
# If the Snapshot has not completed in ten minutes, kill it
|
||||
(
|
||||
# I have NOT figured out how to kill the sleep 600 before
|
||||
# it exits naturally.
|
||||
# This does not cause a problem, but it clutters the ps table.
|
||||
sleep 600
|
||||
|
||||
# The kill $TIMEOUT_shell_pid keeps the below from occuring
|
||||
echo Snapshot Lockup Occured on loop $ii
|
||||
xfs_freeze -u "$SCRATCH_MNT"
|
||||
kill $$
|
||||
) &
|
||||
TIMEOUT_shell_pid=$!
|
||||
|
||||
wait "$SNAPSHOT_shell_pid"
|
||||
|
||||
exec 2> /dev/null # Send the shells stderr to /dev/null
|
||||
kill "$TIMEOUT_shell_pid" # Cancel the timeout
|
||||
wait "$TIMEOUT_shell_pid" # This causes consistent shell
|
||||
# notification for some unknown reason
|
||||
exec 2>&1 # Put it back to the same as stdout
|
||||
|
||||
# If the VFS lock patch is present, the calls to xfs_freeze
|
||||
# are redundant, but should cause no problems
|
||||
# OPTIONAL
|
||||
xfs_freeze -u "$SCRATCH_MNT"
|
||||
[ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed
|
||||
# MANDANTORY (end)
|
||||
|
||||
mount -t xfs -o ro,nouuid "$VG/scratch_snap" "$SCRATCH_SNAP_MNT"
|
||||
[ $? -eq 0 ] || echo mount for "$SCRATCH_SNAP_MNT" failed
|
||||
|
||||
umount "$SCRATCH_SNAP_MNT"
|
||||
[ $? -eq 0 ] || echo umount for "$SCRATCH_SNAP_MNT" failed
|
||||
|
||||
lvremove -f "$VG/scratch_snap" > /dev/null 2>&1
|
||||
[ $? -eq 0 ] || echo lvremove for "$VG/scratch_snap" failed
|
||||
|
||||
ii=`expr $ii + 1`
|
||||
|
||||
sleep "$DELAY_BETWEEN_ITERATIONS"
|
||||
# The VG seems to need time to stabalize between snapshots
|
||||
# With LVM 1.0.3 and XFS 1.1, I have tried this at 3600 seconds
|
||||
# and still had failures
|
||||
echo "*** thawing \$SCRATCH_MNT" | tee -a $seq.full
|
||||
xfs_freeze -u "$SCRATCH_MNT" | tee -a $seq.full
|
||||
[ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed | \
|
||||
tee -a $seq.full
|
||||
sleep 2
|
||||
|
||||
echo | tee -a $seq.full
|
||||
i=`expr $i + 1`
|
||||
done
|
||||
|
||||
# success, all done
|
||||
echo SUCCESS, COMPLETED ALL ITERATIONS WITH NO TIME OUTS!!!!!!!!!!!!
|
||||
status=0
|
||||
_cleanup
|
||||
exit 1 # _cleanup should exit, so we should never get here.
|
||||
# stop fsstress iterations
|
||||
rm $tmp.running
|
||||
|
||||
# wait for fsstresses to finish
|
||||
wait
|
||||
|
||||
_check_scratch_fs
|
||||
|
||||
exit 1
|
||||
Reference in New Issue
Block a user