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git://sourceware.org/git/lvm2.git
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c70bab7531
Cachevol LV is 'internal' LV and should not be 'maintained' this way while it's being used as cachevol.
415 lines
8.1 KiB
Bash
415 lines
8.1 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2018 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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# Test single lv cache options
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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mkfs_mount_umount()
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{
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lvt=$1
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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" "$mount_dir"
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cp pattern1 "$mount_dir/pattern1"
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dd if=/dev/zero of="$mount_dir/zeros2M" bs=1M count=32 conv=fdatasync
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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}
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mount_umount()
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{
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lvt=$1
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lvchange -ay $vg/$lvt
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mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
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diff pattern1 "$mount_dir/pattern1"
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dd if="$mount_dir/zeros2M" of=/dev/null bs=1M count=32
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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}
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aux have_cache 1 10 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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# generate random data
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dd if=/dev/urandom of=pattern1 bs=512K count=1
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aux prepare_devs 4
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4"
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lvcreate -n $lv1 -l 16 -an $vg "$dev1" "$dev4"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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#
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# split when no devs are missing
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# while inactive
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# both cachemodes work the same
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#
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writethrough"
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writeback"
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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mount_umount $lv1
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#
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# split when no devs are missing
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# while active
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# both cachemodes work the same
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#
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writethrough"
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mkfs_mount_umount $lv1
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lvchange -ay $vg/$lv1
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lvconvert --splitcache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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mount_umount $lv1
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writeback"
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lvchange -an $vg/$lv1
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mkfs_mount_umount $lv1
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lvchange -ay $vg/$lv1
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lvconvert --splitcache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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#
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# split while cachevol is missing
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# writethrough
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#
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writethrough"
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lvchange -an $vg/$lv1
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mkfs_mount_umount $lv1
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lvchange -ay $vg/$lv1
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aux disable_dev "$dev2"
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lvconvert --splitcache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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aux enable_dev "$dev2"
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay --activationmode partial $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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vgck --updatemetadata $vg
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lvs $vg
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vgchange -an $vg
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vgextend --restoremissing $vg "$dev2"
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mount_umount $lv1
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#
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# split while cachevol is missing
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# writeback
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#
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lvremove $vg/$lv2
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writeback"
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mkfs_mount_umount $lv1
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aux disable_dev "$dev2"
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not lvconvert --splitcache $vg/$lv1
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lvconvert --splitcache --force --yes $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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aux enable_dev "$dev2"
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay --activationmode partial $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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vgck --updatemetadata $vg
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lvs $vg
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vgchange -an $vg
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vgextend --restoremissing $vg "$dev2"
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#
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# split while cachevol has 1 of 2 PVs
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# writethrough
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#
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lvremove $vg/$lv2
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lvcreate -n $lv2 -l 14 -an $vg "$dev2" "$dev3"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writethrough"
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mkfs_mount_umount $lv1
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aux disable_dev "$dev3"
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lvconvert --splitcache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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aux enable_dev "$dev3"
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay --activationmode partial $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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vgck --updatemetadata $vg
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lvs $vg
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vgchange -an $vg
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vgextend --restoremissing $vg "$dev3"
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mount_umount $lv1
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#
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# split while cachevol has 1 of 2 PVs
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# writeback
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#
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lvremove $vg/$lv2
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lvcreate -n $lv2 -l 14 -an $vg "$dev2" "$dev3"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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check lv_field $vg/$lv1 segtype "cache"
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check lv_field $vg/$lv1 cachemode "writeback"
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mkfs_mount_umount $lv1
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aux disable_dev "$dev3"
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not lvconvert --splitcache $vg/$lv1
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lvconvert --splitcache --force --yes $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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aux enable_dev "$dev3"
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lvs -o segtype $vg/$lv2 | grep linear
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lvchange -ay --activationmode partial $vg/$lv2
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cache_check "$DM_DEV_DIR/$vg/$lv2"
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lvchange -an $vg/$lv2
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vgck --updatemetadata $vg
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lvs $vg
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vgchange -an $vg
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vgextend --restoremissing $vg "$dev3"
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#
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# uncache when no devs are missing
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# while inactive
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# both cachemodes work the same
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#
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lvremove $vg/$lv1
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lvremove $vg/$lv2
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lvcreate -n $lv1 -l 16 -an $vg "$dev1" "$dev4"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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mkfs_mount_umount $lv1
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lvconvert --uncache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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mkfs_mount_umount $lv1
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lvconvert --uncache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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mount_umount $lv1
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#
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# uncache when no devs are missing
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# while active
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# both cachemodes work the same
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#
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l 16 -an $vg "$dev1" "$dev4"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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mkfs_mount_umount $lv1
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lvchange -ay $vg/$lv1
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lvconvert --uncache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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lvchange -an $vg/$lv1
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mkfs_mount_umount $lv1
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lvchange -ay $vg/$lv1
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lvconvert --uncache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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mount_umount $lv1
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#
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# uncache while cachevol is missing
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# writethrough
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#
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l 16 -an $vg "$dev1" "$dev4"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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mkfs_mount_umount $lv1
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aux disable_dev "$dev2"
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lvconvert --uncache $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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aux enable_dev "$dev2"
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not lvs -o segtype $vg/$lv2
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vgck --updatemetadata $vg
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lvs $vg
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vgchange -an $vg
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mount_umount $lv1
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#
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# uncache while cachevol is missing
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# writeback
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#
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l 16 -an $vg "$dev1" "$dev4"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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mkfs_mount_umount $lv1
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aux disable_dev "$dev2"
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not lvconvert --uncache $vg/$lv1
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lvconvert --uncache --force --yes $vg/$lv1
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lvs -o segtype $vg/$lv1 | grep linear
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aux enable_dev "$dev2"
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not lvs -o segtype $vg/$lv2
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vgck --updatemetadata $vg
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lvs $vg
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vgremove -ff $vg
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