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git://sourceware.org/git/lvm2.git
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171 lines
5.0 KiB
Bash
171 lines
5.0 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2017-2020 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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SKIP_WITH_LVMPOLLD=1
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# lvextend thin pool data that has cache|writecache attached
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. lib/inittest
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do_test()
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{
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local tp=$1
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local lvt=$2
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# create some initial data
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lvchange -ay $vg/$lvt
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mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lvt"
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mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
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cp pattern "$mount_dir/pattern1"
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dd if=/dev/urandom of="$mount_dir/rand100M" bs=1M count=100 conv=fdatasync
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cp pattern "$mount_dir/pattern2"
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# extend while mounted
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lvextend -L+64M $vg/${tp}_tdata "$dev4"
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lvs -a $vg -o+devices
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# verify initial data
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diff pattern "$mount_dir/pattern1"
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diff pattern "$mount_dir/pattern2"
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dd of=/dev/null if="$mount_dir/rand100M" bs=1M count=100
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# add more data
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cp pattern "$mount_dir/pattern3"
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dd if=/dev/urandom of="$mount_dir/rand8M" bs=1M count=8 conv=fdatasync
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# restart the LV
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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lvchange -an $vg/$tp
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lvchange -ay $vg/$lvt
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mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
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# verify all data
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diff pattern "$mount_dir/pattern1"
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diff pattern "$mount_dir/pattern2"
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diff pattern "$mount_dir/pattern3"
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dd of=/dev/null if="$mount_dir/rand100M" bs=1M count=100
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dd of=/dev/null if="$mount_dir/rand8M" bs=1M count=8
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# extend again while inactive
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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lvchange -an $vg/$tp
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lvextend -L+64M $vg/${tp}_tdata "$dev5"
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lvs -a $vg -o+devices
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lvchange -ay $vg/$lvt
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mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
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# verify all data
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diff pattern "$mount_dir/pattern1"
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diff pattern "$mount_dir/pattern2"
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diff pattern "$mount_dir/pattern3"
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dd of=/dev/null if="$mount_dir/rand100M" bs=1M count=100
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dd of=/dev/null if="$mount_dir/rand8M" bs=1M count=8
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# add more data
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cp pattern "$mount_dir/pattern4"
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# remove the cache
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lvconvert --splitcache $vg/${tp}_tdata
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# verify all data
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diff pattern "$mount_dir/pattern1"
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diff pattern "$mount_dir/pattern2"
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diff pattern "$mount_dir/pattern3"
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diff pattern "$mount_dir/pattern4"
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dd of=/dev/null if="$mount_dir/rand100M" bs=1M count=100
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dd of=/dev/null if="$mount_dir/rand8M" bs=1M count=8
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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lvchange -an $vg/$tp
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lvchange -ay $vg/$lvt
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mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
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# verify all data
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diff pattern "$mount_dir/pattern1"
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diff pattern "$mount_dir/pattern2"
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diff pattern "$mount_dir/pattern3"
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diff pattern "$mount_dir/pattern4"
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dd of=/dev/null if="$mount_dir/rand100M" bs=1M count=100
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dd of=/dev/null if="$mount_dir/rand8M" bs=1M count=8
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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lvchange -an $vg/$tp
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lvremove $vg/$lvt
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lvremove $vg/$tp
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lvremove -y $vg
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}
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aux have_cache 1 10 0 || skip
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aux have_writecache 1 0 0 || skip
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which mkfs.xfs || skip
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mount_dir="mnt"
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mkdir -p "$mount_dir"
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aux prepare_devs 6 70 # want 64M of usable space from each dev
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# generate random data
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dd if=/dev/urandom of=pattern bs=512K count=1
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5" "$dev6"
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# test extending cache|writecache on thin pool data
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# test type cache|writecache
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# cache with cachepool|cachevol
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# cache with writeback|writethrough
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# lv1 is thinpool LV: 128M
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# lv2 is fast LV: 64M
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# lv3 is thin LV: 1G
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# attach writecache to thinpool data
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lvcreate --type thin-pool -n $lv1 -L128M --poolmetadataspare n $vg "$dev1" "$dev2"
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lvcreate --type thin -n $lv3 -V1G --thinpool $lv1 $vg
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lvcreate -n $lv2 -L64M -an $vg "$dev3"
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lvconvert -y --type writecache --cachevol $lv2 $vg/$lv1
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lvs -a $vg -o+devices
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do_test $lv1 $lv3
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# attach cache/writeback (cachevol) to thinpool data
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lvcreate --type thin-pool -n $lv1 -L128M --poolmetadataspare n $vg "$dev1" "$dev2"
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lvcreate --type thin -n $lv3 -V1G --thinpool $lv1 $vg
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lvcreate -n $lv2 -L64M -an $vg "$dev3"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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lvs -a $vg -o+devices
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do_test $lv1 $lv3
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# attach cache/writethrough (cachevol) to thinpool data
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lvcreate --type thin-pool -n $lv1 -L128M --poolmetadataspare n $vg "$dev1" "$dev2"
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lvcreate --type thin -n $lv3 -V1G --thinpool $lv1 $vg
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lvcreate -n $lv2 -L64M -an $vg "$dev3"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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lvs -a $vg -o+devices
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do_test $lv1 $lv3
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# attach cache (cachepool) to thinpool data
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lvcreate --type thin-pool -n $lv1 -L128M --poolmetadataspare n $vg "$dev1" "$dev2"
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lvcreate --type thin -n $lv3 -V1G --thinpool $lv1 $vg
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lvcreate -y --type cache-pool -n $lv2 -L64M --poolmetadataspare n $vg "$dev3" "$dev6"
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lvconvert -y --type cache --cachepool $lv2 --poolmetadataspare n $vg/$lv1
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lvs -a $vg -o+devices
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do_test $lv1 $lv3
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# FIXME: test these thin pool data extensions done by dmeventd
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vgremove -f $vg
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