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a47e20a092
Recent commit 84bd394cf9
"writecache: use block size 4096 when no fs is found"
changed the default writecache block size from 512 to 4096
when no file system is detected. The fs block size detection
requires the libblkid BLOCK_SIZE feature, so skip tests on
systems without this. Otherwise, 4096 writecache added to
512 xfs leads fs io or mount failures.
179 lines
5.2 KiB
Bash
179 lines
5.2 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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# Tests with fs block sizes require a libblkid version that shows BLOCK_SIZE
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vgcreate $vg "$dev1"
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lvcreate -n $lv1 -L50 $vg
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mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
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blkid -c /dev/null "$DM_DEV_DIR/$vg/$lv1" | grep BLOCK_SIZE || skip
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lvchange -an $vg
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vgremove -ff $vg
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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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