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fe609141a8
Add 'can_use_16T' to detect systems where we could safely use 16T devices without causing system deadlocks. 16T size leads on those to endless loops in udevd - it calls blkid which tries cached read from such device - this ends in endless loop. Related problems: https://bugzilla.redhat.com/show_bug.cgi?id=1015028
132 lines
3.1 KiB
Bash
132 lines
3.1 KiB
Bash
#!/bin/bash
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# Copyright (C) 2013 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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# no automatic extensions please
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. lib/test
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fill() {
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dd if=/dev/zero of=$DM_DEV_DIR/$vg1/lvol0 bs=$1 count=1
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}
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cleanup_tail()
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{
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test -z "$SLEEP_PID" || kill $SLEEP_PID
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wait
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aux teardown
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}
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aux prepare_pvs 1
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vgcreate -s 4M $vg $(cat DEVICES)
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TSIZE=15P
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aux can_use_16T || TSIZE=15T
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lvcreate -s -l 100%FREE -n $lv $vg --virtualsize $TSIZE
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aux extend_filter_LVMTEST
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aux lvmconf "activation/snapshot_autoextend_percent = 20" \
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"activation/snapshot_autoextend_threshold = 50"
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# Check usability with smallest extent size
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pvcreate --setphysicalvolumesize 4T $DM_DEV_DIR/$vg/$lv
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vgcreate -s 1K $vg1 $DM_DEV_DIR/$vg/$lv
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# Test removal of opened snapshot
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lvcreate -V50 -L10 -n $lv1 -s $vg1
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lvs -a -o+lv_active $vg1
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lvchange -an $vg1
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# Snapshot get exclusive activation
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lvchange -ay $vg1
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lvs -a -o+lv_active $vg1
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trap 'cleanup_tail' EXIT
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# Keep device busy (but not mounted) for a while
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sleep 30 < $DM_DEV_DIR/$vg1/$lv1 &
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SLEEP_PID=$!
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# Opened virtual snapshot device is not removable
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# it should retry device removal for a few seconds
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not lvremove -f $vg1/$lv1
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kill $SLEEP_PID
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SLEEP_PID=
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# Wait for killed task, so there is no device holder
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wait
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lvremove -f $vg1/$lv1
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not dmsetup info $vg1-$lv1 >/dev/null || \
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die "$vg1/$lv1 expected to be removed, but there are mappings!"
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# Check border size
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lvcreate -aey -L4095G $vg1
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lvcreate -s -L100K $vg1/lvol0
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fill 1K
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check lv_field $vg1/lvol1 data_percent "12.00"
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lvremove -ff $vg1
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# Create 1KB snapshot, no need to be active active here
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lvcreate -an -Zn -l1 -n $lv1 $vg1
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not lvcreate -s -l1 $vg1/$lv1
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not lvcreate -s -l3 $vg1/$lv1
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lvcreate -s -l30 -n $lv2 $vg1/$lv1
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check lv_field $vg1/$lv2 size "12.00k"
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not lvcreate -s -c512 -l512 $vg1/$lv1
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lvcreate -s -c128 -l1700 -n $lv3 $vg1/$lv1
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# 3 * 128
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check lv_field $vg1/$lv3 size "384.00k"
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lvremove -ff $vg1
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lvcreate -aey -l20 $vg1
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lvcreate -s -l12 $vg1/lvol0
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# Fill 1KB -> 100% snapshot (1x 4KB chunk)
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fill 1K
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check lv_field $vg1/lvol1 data_percent "100.00"
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# Check it resizes 100% full valid snapshot
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lvextend --use-policies $vg1/lvol1
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check lv_field $vg1/lvol1 data_percent "80.00"
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fill 4K
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lvextend --use-policies $vg1/lvol1
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check lv_field $vg1/lvol1 size "18.00k"
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lvextend -l+33 $vg1/lvol1
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check lv_field $vg1/lvol1 size "28.00k"
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fill 20K
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vgremove -ff $vg1
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# Can't test >= 16T devices on 32bit
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if test "$TSIZE" -eq 15P ; then
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# Check usability with largest extent size
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pvcreate $DM_DEV_DIR/$vg/$lv
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vgcreate -s 4G $vg1 $DM_DEV_DIR/$vg/$lv
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lvcreate -an -Zn -l50%FREE -n $lv1 $vg1
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lvcreate -s -l100%FREE -n $lv2 $vg1/$lv1
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check lv_field $vg1/$lv2 size "7.50p"
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lvremove -ff $vg1
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lvcreate -aey -V15E -l1 -n $lv1 -s $vg1
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check lv_field $vg1/$lv1 origin_size "15.00e"
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vgremove -ff $vg1
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fi
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vgremove -ff $vg
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