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3972bd98fb
Reset counter after thin pool resize failure. If the pool goes above threshold, support unmounting of all thin volumes if the lvextend fails to avoid overfilling of the pool.
71 lines
1.6 KiB
Bash
71 lines
1.6 KiB
Bash
#!/bin/bash
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# Copyright (C) 2012 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, just umount
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is_dir_mounted_()
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{
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cat /proc/mounts | sed 's:\\040: :g' | grep "$1"
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}
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. lib/test
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#
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# Main
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#
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which mkfs.ext2 || skip
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aux have_thin 1 0 0 || skip
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aux prepare_dmeventd
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aux lvmconf "activation/thin_pool_autoextend_percent = 0" \
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"activation/thin_pool_autoextend_threshold = 70"
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aux prepare_vg 2
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mntdir="${PREFIX}mnt with space"
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mntusedir="${PREFIX}mntuse"
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lvcreate -L8M -V8M -n $lv1 -T $vg/pool
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lvcreate -V8M -n $lv2 -T $vg/pool
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mkfs.ext2 "$DM_DEV_DIR/$vg/$lv1"
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mkfs.ext2 "$DM_DEV_DIR/$vg/$lv2"
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lvchange --monitor y $vg/pool
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mkdir "$mntdir" "$mntusedir"
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mount "$DM_DEV_DIR/mapper/$vg-$lv1" "$mntdir"
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mount "$DM_DEV_DIR/mapper/$vg-$lv2" "$mntusedir"
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is_dir_mounted_ "$mntdir"
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# fill above 70%
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dd if=/dev/zero of="$mntdir/file$$" bs=1M count=6
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touch "$mntusedir/file$$"
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tail -f "$mntusedir/file$$" &
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PID_TAIL=$!
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sync
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lvs -a $vg
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sleep 12 # dmeventd only checks every 10 seconds :(
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lvs -a $vg
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# both dirs should be unmounted
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not is_dir_mounted "$mntdir"
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not is_dir_mounted "$mntusedir"
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# running tail keeps the block device still in use
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kill $PID_TAIL
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lvs -a $vg
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vgremove -f $vg
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