Adding upstream version 4.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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279 changed files with 77998 additions and 0 deletions
344
tests/func.sh
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344
tests/func.sh
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#!/bin/bash
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# We test mdadm on loop-back block devices.
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# dir for storing files should be settable by command line maybe
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size=20000
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# super0, round down to multiple of 64 and substract 64
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mdsize0=19904
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# super00 is nested, subtract 128
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mdsize00=19840
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# super1.0 round down to multiple of 2, subtract 8
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mdsize1=19992
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mdsize1a=19988
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mdsize12=19988
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# super1.2 for linear: round to multiple of 2, subtract 4
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mdsize1_l=19996
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mdsize2_l=19996
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# subtract another 4 for bitmaps
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mdsize1b=19988
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mdsize11=19992
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mdsize11a=19456
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mdsize12=19988
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# ddf needs bigger devices as 32Meg is reserved!
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ddfsize=65536
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# $1 is optional parameter, it shows why to save log
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save_log() {
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status=$1
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logfile="$status""$_basename".log
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cat $targetdir/stderr >> $targetdir/log
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cp $targetdir/log $logdir/$_basename.log
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echo "## $HOSTNAME: saving dmesg." >> $logdir/$logfile
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dmesg -c >> $logdir/$logfile
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echo "## $HOSTNAME: saving proc mdstat." >> $logdir/$logfile
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cat /proc/mdstat >> $logdir/$logfile
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array=($(mdadm -Ds | cut -d' ' -f2))
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[ "$1" == "fail" ] &&
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echo "FAILED - see $logdir/$_basename.log and $logdir/$logfile for details"
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if [ $DEVTYPE == 'lvm' ]
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then
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# not supported lvm type yet
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echo
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elif [ "$DEVTYPE" == 'loop' -o "$DEVTYPE" == 'disk' ]
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then
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if [ ! -z "$array" -a ${#array[@]} -ge 1 ]
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then
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echo "## $HOSTNAME: mdadm -D ${array[@]}" >> $logdir/$logfile
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$mdadm -D ${array[@]} >> $logdir/$logfile
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# ignore saving external(external file, imsm...) bitmap
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cat /proc/mdstat | grep -q "linear\|external" && return 0
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md_disks=($($mdadm -D -Y ${array[@]} | grep "/dev/" | cut -d'=' -f2))
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cat /proc/mdstat | grep -q "bitmap"
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if [ $? -eq 0 ]
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then
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echo "## $HOSTNAME: mdadm -X ${md_disks[@]}" >> $logdir/$logfile
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$mdadm -X ${md_disks[@]} >> $logdir/$logfile
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echo "## $HOSTNAME: mdadm -E ${md_disks[@]}" >> $logdir/$logfile
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$mdadm -E ${md_disks[@]} >> $logdir/$logfile
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fi
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else
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echo "## $HOSTNAME: no array assembled!" >> $logdir/$logfile
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fi
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fi
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}
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cleanup() {
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udevadm settle
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$mdadm -Ssq 2> /dev/null
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case $DEVTYPE in
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loop )
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for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
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do
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losetup -d /dev/loop$d &> /dev/null
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rm -f /dev/disk/by-path/loop*
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rm -f /var/tmp/mdtest$d
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done
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;;
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lvm )
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for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
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do
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eval "lvremove --quiet -f \$dev$d"
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done
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;;
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disk )
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$mdadm --zero ${disks[@]} &> /dev/null
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;;
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esac
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}
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do_clean()
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{
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mdadm -Ss > /dev/null
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mdadm --zero $devlist 2> /dev/null
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dmesg -c > /dev/null
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}
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check_env() {
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user=$(id -un)
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[ "X$user" != "Xroot" ] && {
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echo "test: testing can only be done as 'root'."
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exit 1
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}
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[ \! -x $mdadm ] && {
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echo "test: please run make everything before perform testing."
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exit 1
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}
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cmds=(mdadm lsblk df udevadm losetup mkfs.ext3 fsck seq)
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for cmd in ${cmds[@]}
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do
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which $cmd > /dev/null || {
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echo "$cmd command not found!"
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exit 1
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}
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done
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if $(lsblk -a | grep -iq raid)
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then
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# donot run mdadm -Ss directly if there are RAIDs working.
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echo "test: please run test suite without running RAIDs environment."
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exit 1
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fi
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# Check whether to run multipath tests
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modprobe multipath 2> /dev/null
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grep -sq 'Personalities : .*multipath' /proc/mdstat &&
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MULTIPATH="yes"
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}
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do_setup() {
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trap cleanup 0 1 3 15
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trap ctrl_c 2
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check_env
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[ -d $logdir ] || mkdir -p $logdir
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devlist=
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if [ "$DEVTYPE" == "loop" ]
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then
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# make sure there are no loop devices remaining.
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# udev started things can sometimes prevent them being stopped
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# immediately
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while grep loop /proc/partitions > /dev/null 2>&1
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do
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$mdadm -Ssq
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losetup -d /dev/loop[0-9]* 2> /dev/null
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sleep 0.2
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done
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elif [ "$DEVTYPE" == "disk" ]
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then
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if [ ! -z "$disks" ]
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then
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for d in $(seq 0 ${#disks[@]})
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do
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eval "dev$d=${disks[$d]}"
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eval devlist=\"\$devlist \$dev$d\"
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eval devlist$d=\"\$devlist\"
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done
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$mdadm --zero ${disks[@]} &> /dev/null
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else
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echo "Forget to provide physical devices for disk mode."
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exit 1
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fi
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fi
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for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
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do
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sz=$size
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[ $d -gt 7 ] && sz=$ddfsize
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case $DEVTYPE in
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loop)
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[ -f $targetdir/mdtest$d ] ||
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dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
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# make sure udev doesn't touch
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mdadm --zero $targetdir/mdtest$d 2> /dev/null
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[ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
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if [ $d -eq 7 ]
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then
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losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
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else
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losetup /dev/loop$d $targetdir/mdtest$d
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fi
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eval dev$d=/dev/loop$d
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eval file$d=$targetdir/mdtest$d
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;;
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lvm)
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unset MULTIPATH
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eval dev$d=/dev/mapper/${LVM_VOLGROUP}-mdtest$d
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if ! lvcreate --quiet -L ${sz}K -n mdtest$d $LVM_VOLGROUP
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then
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trap '' 0 # make sure lvremove is not called
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eval echo error creating \$dev$d
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exit 129
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fi
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;;
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ram)
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unset MULTIPATH
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eval dev$d=/dev/ram$d
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;;
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esac
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eval devlist=\"\$devlist \$dev$d\"
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eval devlist$d=\"\$devlist\"
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#" <-- add this quote to un-confuse vim syntax highlighting
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done
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path0=$dev6
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path1=$dev7
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ulimit -c unlimited
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[ -f /proc/mdstat ] || modprobe md_mod
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echo 2000 > /proc/sys/dev/raid/speed_limit_max
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echo 0 > /sys/module/md_mod/parameters/start_ro
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}
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# check various things
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check() {
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case $1 in
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opposite_result )
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if [ $? -eq 0 ]; then
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die "This command shouldn't run successfully"
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fi
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;;
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spares )
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spares=$(tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0)
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[ $spares -ne $2 ] &&
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die "expected $2 spares, found $spares"
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;;
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raid* | linear )
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grep -sq "active $1 " /proc/mdstat ||
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die "active $1 not found"
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;;
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algorithm )
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grep -sq " algorithm $2 " /proc/mdstat ||
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die "algorithm $2 not found"
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;;
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resync | recovery | reshape )
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cnt=5
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while ! grep -sq $1 /proc/mdstat
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do
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if [ $cnt -gt 0 ] && grep -v idle /sys/block/md*/md/sync_action > /dev/null
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then # Something isn't idle - wait a bit
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sleep 0.5
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cnt=$[cnt-1]
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else
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die "no $1 happening"
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fi
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done
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;;
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nosync )
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sleep 0.5
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# Since 4.2 we delay the close of recovery until there has been a chance for
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# spares to be activated. That means that a recovery that finds nothing
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# to do can still take a little longer than expected.
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# add an extra check: is sync_completed shows the end is reached, assume
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# there is no recovery.
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if grep -sq -E '(resync|recovery|reshape) *=' /proc/mdstat
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then
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incomplete=`grep / /sys/block/md*/md/sync_completed 2> /dev/null | sed '/^ *\([0-9]*\) \/ \1/d'`
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[ -n "$incomplete" ] &&
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die "resync or recovery is happening!"
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fi
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;;
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wait )
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p=`cat /proc/sys/dev/raid/speed_limit_max`
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echo 2000000 > /proc/sys/dev/raid/speed_limit_max
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sleep 0.1
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while grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat ||
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grep -v idle > /dev/null /sys/block/md*/md/sync_action
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do
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sleep 0.5
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done
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echo $p > /proc/sys/dev/raid/speed_limit_max
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;;
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state )
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grep -sq "blocks.*\[$2\]\$" /proc/mdstat ||
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die "state $2 not found!"
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sleep 0.5
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;;
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bitmap )
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grep -sq bitmap /proc/mdstat ||
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die "no bitmap"
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;;
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nobitmap )
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grep -sq "bitmap" /proc/mdstat &&
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die "bitmap present"
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;;
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readonly )
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grep -sq "read-only" /proc/mdstat ||
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die "array is not read-only!"
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;;
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inactive )
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grep -sq "inactive" /proc/mdstat ||
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die "array is not inactive!"
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;;
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# It only can be used when there is only one raid
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chunk )
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chunk_size=`awk -F',' '/chunk/{print $2}' /proc/mdstat | awk -F'[a-z]' '{print $1}'`
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if [ "$chunk_size" -ne "$2" ] ; then
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die "chunksize should be $2, but it's $chunk_size"
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fi
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;;
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* )
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die "unknown check $1"
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;;
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esac
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}
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no_errors() {
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if [ -s $targetdir/stderr ]
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then
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echo Bad errors from mdadm:
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cat $targetdir/stderr
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exit 2
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fi
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}
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# basic device test
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testdev() {
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[ -b $1 ] || die "$1 isn't a block device."
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[ "$DEVTYPE" == "disk" ] && return 0
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udevadm settle
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dev=$1
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cnt=$2
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dvsize=$3
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chunk=$4
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if [ -z "$5" ]
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then
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mkfs.ext3 -F -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
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fi
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dsize=$[dvsize/chunk]
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dsize=$[dsize*chunk]
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rasize=$[dsize*2*cnt]
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# rasize is in sectors
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if [ -n "$DEV_ROUND_K" ]
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then
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rasize=$[rasize/DEV_ROUND_K/2]
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rasize=$[rasize*DEV_ROUND_K*2]
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fi
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[ `/sbin/blockdev --getsize $dev` -eq 0 ] && sleep 2
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_sz=`/sbin/blockdev --getsize $dev`
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[ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ] &&
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die "size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
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return 0
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}
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rotest() {
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dev=$1
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fsck -fn $dev >&2
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}
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