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git://sourceware.org/git/lvm2.git
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52 lines
1.2 KiB
Bash
52 lines
1.2 KiB
Bash
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#!/bin/bash
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# Copyright (C) 2010 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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. ./test-utils.sh
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extend() {
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lvextend --use-policies --config "activation { snapshot_extend_threshold = $1 }" $vg/snap
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}
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write() {
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mount $DM_DEV_DIR/$vg/snap mnt
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dd if=/dev/zero of=mnt/file$1 bs=1k count=$2
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umount mnt
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}
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percent() {
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lvs $vg/snap -o snap_percent --noheadings | cut -c4- | cut -d. -f1
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}
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which mkfs.ext2 || exit 200
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aux prepare_vg 2
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aux prepare_dmeventd
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lvcreate -l 8 -n base $vg
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mkfs.ext2 $DM_DEV_DIR/$vg/base
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lvcreate -s -l 4 -n snap $vg/base
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lvchange --monitor y $vg/snap
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mkdir mnt
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write 1 4096
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pre=`percent`
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sleep 10 # dmeventd only checks every 10 seconds :(
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post=`percent`
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test $pre = $post
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write 2 5000
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pre=`percent`
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sleep 10 # dmeventd only checks every 10 seconds :(
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post=`percent`
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test $pre -gt $post
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