mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
0e7c1ee3e7
lvconvert testing is now in its own test, t-lvconvert-mirror-basic ... it doesn't do anything fancy but it does run lvconvert through a lot of combinations. I have also merged the remaining t-mirror-lvconvert tests into t-lvconvert-mirror and abolished the former. The latter will be split again later into more thematic divisions. (The previous split was rather arbitrary, may I even say random...)
419 lines
9.3 KiB
Bash
419 lines
9.3 KiB
Bash
# Copyright (C) 2008 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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aux() {
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# use just "$@" for verbose operation
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"$@" > /dev/null 2> /dev/null
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#"$@"
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}
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STACKTRACE() {
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trap - ERR;
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i=0;
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while FUNC=${FUNCNAME[$i]}; test "$FUNC" != "main"; do
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echo "$i ${FUNC}() called from ${BASH_SOURCE[$i]}:${BASH_LINENO[$i]}"
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i=$(($i + 1));
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done
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# Get backtraces from coredumps
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TEST_LVM_BINARY=$(dirname $(which lvm))/../../tools/lvm
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if which gdb >& /dev/null; then
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echo bt full > gdb_commands.txt
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echo l >> gdb_commands.txt
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echo quit >> gdb_commands.txt
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for core in core*; do
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bin=$(gdb -batch -c $core 2>&1 | grep "generated by" | \
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sed -e "s,.*generated by \`\([^ ']*\).*,\1,")
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gdb -batch -c $core -x gdb_commands.txt `which $bin`
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done
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fi
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}
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init_udev_transaction() {
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if test "$DM_UDEV_SYNCHRONISATION" = 1; then
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COOKIE=$(dmsetup udevcreatecookie)
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# Cookie is not generated if udev is not running!
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if test -n "$COOKIE"; then
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export DM_UDEV_COOKIE=$COOKIE
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fi
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fi
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}
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finish_udev_transaction() {
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if test "$DM_UDEV_SYNCHRONISATION" = 1 -a -n "$DM_UDEV_COOKIE"; then
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dmsetup udevreleasecookie
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unset DM_UDEV_COOKIE
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fi
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}
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prepare_clvmd() {
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if test -z "$LVM_TEST_LOCKING" || test "$LVM_TEST_LOCKING" -ne 3 ; then
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return 0 # not needed
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fi
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if pgrep clvmd ; then
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echo "Cannot use fake cluster locking with real clvmd ($(pgrep clvmd)) running."
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exit 200
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fi
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# skip if we don't have our own clvmd...
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(which clvmd | grep $abs_builddir) || exit 200
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trap_teardown
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clvmd -Isinglenode -d 1 &
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LOCAL_CLVMD="$!"
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}
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prepare_dmeventd() {
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if pgrep dmeventd ; then
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echo "Cannot test dmeventd with real dmeventd ($(pgrep clvmd)) running."
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exit 200
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fi
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# skip if we don't have our own dmeventd...
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(which dmeventd | grep $abs_builddir) || exit 200
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trap_teardown
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dmeventd -d &
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LOCAL_DMEVENTD="$!"
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strace -p $LOCAL_DMEVENTD &
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}
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prepare_testroot() {
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OLDPWD="`pwd`"
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PREFIX="LVMTEST$$"
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trap_teardown
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TESTDIR=$($abs_srcdir/mkdtemp ${LVM_TEST_DIR-$(pwd)} $PREFIX.XXXXXXXXXX) \
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|| { echo "failed to create temporary directory in ${LVM_TEST_DIR-$(pwd)}"; exit 1; }
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export LVM_SYSTEM_DIR=$TESTDIR/etc
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export DM_DEV_DIR=$TESTDIR/dev
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mkdir $LVM_SYSTEM_DIR $DM_DEV_DIR $DM_DEV_DIR/mapper $TESTDIR/lib
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cd $TESTDIR
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for i in `find $abs_top_builddir/daemons/dmeventd/plugins/ -name \*.so`; do
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echo Setting up symlink from $i to $TESTDIR/lib
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ln -s $i $TESTDIR/lib
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done
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}
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teardown_devs() {
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test -n "$PREFIX" && {
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rm -rf $TESTDIR/dev/$PREFIX*
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init_udev_transaction
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while dmsetup table | grep -q ^$PREFIX; do
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for s in `dmsetup info -c -o name --noheading | grep ^$PREFIX`; do
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dmsetup remove $s >& /dev/null || true
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done
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done
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finish_udev_transaction
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}
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# NOTE: SCSI_DEBUG_DEV test must come before the LOOP test because
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# prepare_scsi_debug_dev() also sets LOOP to short-circuit prepare_loop()
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if [ -n "$SCSI_DEBUG_DEV" ] ; then
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modprobe -r scsi_debug
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else
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test -n "$LOOP" && losetup -d $LOOP
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test -n "$LOOPFILE" && rm -f $LOOPFILE
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fi
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unset devs # devs is set in prepare_devs()
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unset LOOP
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}
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teardown() {
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echo $LOOP
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echo $PREFIX
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test -n "$LOCAL_CLVMD" && {
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kill "$LOCAL_CLVMD"
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sleep .1
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kill -9 "$LOCAL_CLVMD" || true
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}
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test -n "$LOCAL_DMEVENTD" && kill -9 "$LOCAL_DMEVENTD"
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teardown_devs
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test -n "$TESTDIR" && {
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cd $OLDPWD
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rm -rf $TESTDIR || echo BLA
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}
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}
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trap_teardown() {
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trap 'set +vx; STACKTRACE; set -vx' ERR
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trap 'aux teardown' EXIT # don't forget to clean up
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}
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make_ioerror() {
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echo 0 10000000 error | dmsetup create ioerror
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ln -s $DM_DEV_DIR/mapper/ioerror $DM_DEV_DIR/ioerror
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}
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prepare_loop() {
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size=$1
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test -n "$size" || size=32
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# skip if prepare_scsi_debug_dev() was used
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if [ -n "$SCSI_DEBUG_DEV" -a -n "$LOOP" ]; then
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return 0
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fi
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test -z "$LOOP"
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test -n "$DM_DEV_DIR"
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trap_teardown
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for i in 0 1 2 3 4 5 6 7; do
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test -e $DM_DEV_DIR/loop$i || mknod $DM_DEV_DIR/loop$i b 7 $i
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done
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LOOPFILE="$PWD/test.img"
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dd if=/dev/zero of="$LOOPFILE" bs=$((1024*1024)) count=1 seek=$(($size-1))
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if LOOP=`losetup -s -f "$LOOPFILE" 2>/dev/null`; then
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return 0
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elif LOOP=`losetup -f` && losetup $LOOP "$LOOPFILE"; then
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# no -s support
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return 0
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else
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# no -f support
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# Iterate through $DM_DEV_DIR/loop{,/}{0,1,2,3,4,5,6,7}
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for slash in '' /; do
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for i in 0 1 2 3 4 5 6 7; do
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local dev=$DM_DEV_DIR/loop$slash$i
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! losetup $dev >/dev/null 2>&1 || continue
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# got a free
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losetup "$dev" "$LOOPFILE"
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LOOP=$dev
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break
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done
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if [ -n "$LOOP" ]; then
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break
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fi
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done
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test -n "$LOOP" # confirm or fail
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return 0
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fi
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exit 1 # should not happen
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}
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# A drop-in replacement for prepare_loop() that uses scsi_debug to create
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# a ramdisk-based SCSI device upon which all LVM devices will be created
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# - scripts must take care not to use a DEV_SIZE that will enduce OOM-killer
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prepare_scsi_debug_dev()
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{
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local DEV_SIZE="$1"
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shift
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local SCSI_DEBUG_PARAMS="$@"
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test -n "$SCSI_DEBUG_DEV" && return 0
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test -z "$LOOP"
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test -n "$DM_DEV_DIR"
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trap_teardown
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# Skip test if awk isn't available (required for get_sd_devs_)
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which awk || exit 200
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# Skip test if scsi_debug module is unavailable or is already in use
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modprobe --dry-run scsi_debug || exit 200
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lsmod | grep -q scsi_debug && exit 200
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# Create the scsi_debug device and determine the new scsi device's name
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# NOTE: it will _never_ make sense to pass num_tgts param;
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# last param wins.. so num_tgts=1 is imposed
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modprobe scsi_debug dev_size_mb=$DEV_SIZE $SCSI_DEBUG_PARAMS num_tgts=1 || exit 200
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sleep 2 # allow for async Linux SCSI device registration
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local DEBUG_DEV=/dev/$(grep scsi_debug /sys/block/*/device/model | cut -f4 -d /)
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[ -b $DEBUG_DEV ] || exit 1 # should not happen
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# Create symlink to scsi_debug device in $DM_DEV_DIR
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SCSI_DEBUG_DEV=$DM_DEV_DIR/$(basename $DEBUG_DEV)
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# Setting $LOOP provides means for prepare_devs() override
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LOOP=$SCSI_DEBUG_DEV
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ln -snf $DEBUG_DEV $SCSI_DEBUG_DEV
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return 0
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}
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cleanup_scsi_debug_dev()
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{
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aux teardown_devs
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unset SCSI_DEBUG_DEV
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unset LOOP
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}
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prepare_devs() {
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local n="$1"
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test -z "$n" && n=3
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local devsize="$2"
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test -z "$devsize" && devsize=33
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local pvname="$3"
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test -z "$pvname" && pvname="pv"
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prepare_loop $(($n*$devsize))
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if ! loopsz=`blockdev --getsz $LOOP 2>/dev/null`; then
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loopsz=`blockdev --getsize $LOOP 2>/dev/null`
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fi
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local size=$(($loopsz/$n))
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init_udev_transaction
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for i in `seq 1 $n`; do
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local name="${PREFIX}$pvname$i"
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local dev="$DM_DEV_DIR/mapper/$name"
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eval "dev$i=$dev"
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devs="$devs $dev"
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echo 0 $size linear $LOOP $((($i-1)*$size)) > $name.table
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dmsetup create $name $name.table
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done
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finish_udev_transaction
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for i in `seq 1 $n`; do
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local name="${PREFIX}$pvname$i"
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dmsetup info -c $name
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done
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for i in `seq 1 $n`; do
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local name="${PREFIX}$pvname$i"
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dmsetup table $name
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done
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}
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disable_dev() {
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init_udev_transaction
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for dev in "$@"; do
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# first we make the device inaccessible
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echo 0 10000000 error | dmsetup load $dev
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dmsetup resume $dev
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# now let's try to get rid of it if it's unused
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#dmsetup remove $dev
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done
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finish_udev_transaction
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}
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enable_dev() {
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init_udev_transaction
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for dev in "$@"; do
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local name=`echo "$dev" | sed -e 's,.*/,,'`
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dmsetup create $name $name.table || dmsetup load $name $name.table
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dmsetup resume $dev
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done
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finish_udev_transaction
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}
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backup_dev() {
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for dev in "$@"; do
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dd if=$dev of=$dev.backup bs=1024
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done
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}
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restore_dev() {
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for dev in "$@"; do
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test -e $dev.backup || {
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echo "Internal error: $dev not backed up, can't restore!"
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exit 1
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}
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dd of=$dev if=$dev.backup bs=1024
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done
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}
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prepare_pvs() {
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prepare_devs "$@"
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pvcreate -ff $devs
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}
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prepare_vg() {
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vgremove -ff $vg || true
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teardown_devs
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prepare_pvs "$@"
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vgcreate -c n $vg $devs
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pvs -v
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}
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prepare_lvmconf() {
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local filter="$1"
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test -z "$filter" && \
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filter='[ "a/dev\/mirror/", "a/dev\/mapper\/.*pv[0-9_]*$/", "r/.*/" ]'
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locktype=
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if test -n "$LVM_TEST_LOCKING"; then locktype="locking_type = $LVM_TEST_LOCKING"; fi
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cat > $TESTDIR/etc/lvm.conf <<-EOF
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$LVM_TEST_CONFIG
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devices {
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dir = "$DM_DEV_DIR"
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scan = "$DM_DEV_DIR"
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filter = $filter
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cache_dir = "$TESTDIR/etc"
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sysfs_scan = 0
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}
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log {
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syslog = 0
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indent = 1
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}
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backup {
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backup = 0
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archive = 0
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}
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global {
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abort_on_internal_errors = 1
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library_dir = "$TESTDIR/lib"
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locking_dir = "$TESTDIR/var/lock/lvm"
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$locktype
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}
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activation {
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udev_sync = 1
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udev_rules = 1
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polling_interval = 0
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}
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EOF
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cat $TESTDIR/etc/lvm.conf
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}
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prepare() {
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ulimit -c unlimited
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# FIXME any way to set this just for our children?
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# echo 1 > /proc/sys/kernel/core_uses_pid
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prepare_testroot
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prepare_lvmconf
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prepare_clvmd
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# set up some default names
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vg=${PREFIX}vg
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vg1=${PREFIX}vg1
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vg2=${PREFIX}vg2
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lv=LV
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lv1=LV1
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lv2=LV2
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lv3=LV3
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lv4=LV4
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}
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LANG=C
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LC_ALL=C
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TZ=UTC
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unset CDPATH
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. ./init.sh || { echo >&2 you must run make first; exit 1; }
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. ./lvm-utils.sh
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set -vexE -o pipefail
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aux prepare
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