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git://sourceware.org/git/lvm2.git
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94 lines
2.1 KiB
Bash
94 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2015 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# check if 'dmsetup --noflush' will work properly for mounted snapshot
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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which mkfs.ext2 || skip
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aux prepare_vg 5
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# Create stacked device
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lvcreate --type snapshot -s -L10 -n $lv1 $vg --virtualsize 100M
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aux lvmconf "devices/scan_lvs = 1"
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aux extend_filter_LVMTEST
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aux extend_devices "$DM_DEV_DIR"/$vg/$lv1
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vgcreate $vg1 "$DM_DEV_DIR"/$vg/$lv1
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lvcreate -L20 -n $lv1 $vg1
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lvcreate -L10 -n snap -s $vg1/$lv1
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mkfs.ext2 "$DM_DEV_DIR/$vg1/snap"
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mkdir mnt
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mount -o errors=remount-ro "$DM_DEV_DIR/$vg1/snap" mnt
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sync
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# intentionally suspend layer below
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dmsetup suspend $vg-$lv1
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# now this should pass without blocking
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dmsetup suspend --noflush --nolockfs $vg1-snap &
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DMPID=$!
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#dmsetup suspend $vg1-snap &
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sleep .5
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dmsetup info --noheadings -c -o suspended $vg1-snap | tee out
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should grep -i suspend out
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# unlock device below
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dmsetup resume $vg-$lv1
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# so this will pass without blocking on udev
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# otherwise --noudevsync would be needed
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dmsetup resume $vg1-snap
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# Expecting success from 'dmsetup'
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wait $DMPID
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# Try how force removal works (and wait till there is no user)
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sync
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sleep .5
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dmsetup suspend $vg-$lv1
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# needs to fail as device is still open
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not dmsetup remove --force $vg1-snap &
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DMPID=$!
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# on older snapshot target 'remove' will wait till $lv1 is resumed
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if aux target_at_least dm-snapshot 1 6 0 ; then
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sleep .5
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dmsetup table $vg1-snap | tee out
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should grep -i error out
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fi
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dmsetup resume $vg-$lv1
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# Expecting success from 'not dmsetup'
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wait $DMPID
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# check it really is now 'error' target
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dmsetup table $vg1-snap | tee out
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grep error out
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umount mnt || true
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lvremove -f $vg1
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vgremove -ff $vg1
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vgremove -ff $vg
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