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git://sourceware.org/git/lvm2.git
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75 lines
1.9 KiB
Bash
75 lines
1.9 KiB
Bash
#!/bin/sh
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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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. lib/inittest
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test -e LOCAL_LVMPOLLD && skip
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check_lv_field_modules_()
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{
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mod=$1
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shift
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for d in $*; do
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check lv_field $vg/$d modules $mod
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done
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}
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#
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# Main
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#
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aux have_thin 1 0 0 || skip
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which mkfs.ext4 || skip
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aux prepare_pvs 2 64
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vgcreate $vg -s 64K $(cat DEVICES)
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lvcreate -L10M -V10M -T $vg/pool --name $lv1
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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# create read-only thin snapshot of thin LV
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lvcreate -K -s $vg/$lv1 -pr --name snap
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# check snapshot filesystem was properly frozen before snapping
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fsck -n "$DM_DEV_DIR/$vg/snap"
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lvcreate -K -s $vg/$lv1 --name $lv2
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lvcreate -K -s $vg/$lv1 --name $vg/$lv3
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# old-snapshot without known size is invalid
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invalid lvcreate --type snapshot $vg/$lv1
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invalid lvcreate --type snapshot $vg/$lv1 --name $lv4
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invalid lvcreate --type snapshot $vg/$lv1 --name $vg/$lv5
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# some other ways how to take a thin snapshot
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lvcreate -T $vg/$lv1
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lvcreate --thin $vg/$lv1 --name $lv4
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lvcreate --type thin $vg/$lv1 --name $vg/$lv5
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# virtual size needs thin pool
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fail lvcreate --type thin $vg/$lv1 -V20
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# create old-style snapshot
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lvcreate -s -L10M --name oldsnap1 $vg/$lv2
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lvcreate -s -L10M --name oldsnap2 $vg/$lv2
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# thin snap of snap of snap...
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lvcreate -K -s --name sn1 $vg/$lv2
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lvcreate -K -s --name sn2 $vg/sn1
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lvcreate -K -s --name sn3 $vg/sn2
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lvcreate -K -s --name sn4 $vg/sn3
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lvremove -ff $vg
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lvcreate -L10M --zero n -T $vg/pool -V10M --name $lv1
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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lvcreate -K -s $vg/$lv1 --name snap
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fsck -n "$DM_DEV_DIR/$vg/snap"
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vgremove -ff $vg
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