mirror of
git://sourceware.org/git/lvm2.git
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430 lines
8.5 KiB
Bash
430 lines
8.5 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 snapshots of raid
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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aux have_raid 1 3 0 || skip
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which mkfs.ext4 || skip
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mount_dir="mnt"
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mkdir -p "$mount_dir"
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snap_dir="mnt_snap"
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mkdir -p "$snap_dir"
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# add and remove a snapshot
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test_add_del_snap() {
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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not ls "$snap_dir/B"
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touch "$snap_dir/C"
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not ls "$mount_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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umount "$snap_dir"
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lvremove -y $vg/snap
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umount "$mount_dir"
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}
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# add and remove snapshot while origin has a missing raid image
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test_snap_with_missing_image() {
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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aux disable_dev "$dev1"
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lvs -a -o+devices $vg
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not lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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aux enable_dev "$dev1"
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aux wait_for_sync $vg $lv1
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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aux disable_dev "$dev1"
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lvs -a -o+devices $vg
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lvremove -y $vg/snap
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aux enable_dev "$dev1"
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vgextend --restoremissing $vg "$dev1"
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lvs -a -o+devices $vg
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aux wait_for_sync $vg $lv1
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umount "$mount_dir"
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}
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# raid image is lost and restored while a snapshot exists
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test_missing_image_with_snap() {
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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aux disable_dev "$dev1"
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lvs -a -o+devices $vg
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touch "$mount_dir/B"
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not ls "$snap_dir/B"
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touch "$snap_dir/C"
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not ls "$mount_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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aux enable_dev "$dev1"
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aux wait_for_sync $vg $lv1
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ls "$mount_dir/B"
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ls "$snap_dir/C"
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umount "$snap_dir"
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lvremove -y $vg/snap
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umount "$mount_dir"
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}
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# add and remove raid image while snapshot exists
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test_add_del_image_with_snap() {
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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touch "$snap_dir/C"
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lvconvert -y -m+1 $vg/$lv1 "$dev4"
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aux wait_for_sync $vg $lv1
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ls "$mount_dir/B"
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ls "$snap_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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touch "$mount_dir/B2"
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touch "$snap_dir/C2"
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lvconvert -y -m-1 $vg/$lv1 "$dev4"
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ls "$mount_dir/B"
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ls "$snap_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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ls "$mount_dir/B2"
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ls "$snap_dir/C2"
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umount "$snap_dir"
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lvremove -y $vg/snap
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umount "$mount_dir"
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}
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test_replace_image_with_snap() {
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# add an image to replace
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lvconvert -y -m+1 $vg/$lv1 "$dev4"
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aux wait_for_sync $vg $lv1
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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touch "$snap_dir/C"
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lvconvert -y --replace "$dev4" $vg/$lv1 "$dev5"
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aux wait_for_sync $vg $lv1
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ls "$mount_dir/B"
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ls "$snap_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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touch "$mount_dir/B2"
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touch "$snap_dir/C2"
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umount "$snap_dir"
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lvremove -y $vg/snap
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# put lv1 back to original state with images on dev1 and dev2
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lvconvert -y -m-1 $vg/$lv1 "$dev5"
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umount "$mount_dir"
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}
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test_repair_image_with_snap() {
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# add an image to repair
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lvconvert -y -m+1 $vg/$lv1 "$dev4"
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aux wait_for_sync $vg $lv1
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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touch "$snap_dir/C"
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aux disable_dev "$dev4"
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lvs -a -o+devices $vg
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lvconvert -y --repair $vg/$lv1 "$dev5"
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aux wait_for_sync $vg $lv1
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ls "$mount_dir/B"
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ls "$snap_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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touch "$mount_dir/B2"
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touch "$snap_dir/C2"
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umount "$snap_dir"
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lvremove -y $vg/snap
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aux enable_dev "$dev4"
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lvs -a -o+devices $vg
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vgck --updatemetadata $vg
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# put lv1 back to original state with images on dev1 and dev2
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lvconvert -y -m-1 $vg/$lv1 "$dev5"
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umount "$mount_dir"
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}
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test_merge_snap()
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{
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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touch "$snap_dir/C"
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umount "$snap_dir"
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lvconvert --merge $vg/snap
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# the merge will begin once the origin is not in use
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umount "$mount_dir"
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lvs -a $vg
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lvchange -an $vg/$lv1
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lvchange -ay $vg/$lv1
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lvs -a $vg
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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ls "$mount_dir/A"
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ls "$mount_dir/C"
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not ls "$mount_dir/B"
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umount "$mount_dir"
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for i in $(seq 1 10); do
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# Wait tiil snapshot is surely merged
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dmsetup info $vg-snap || break
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sleep 0.1
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done
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}
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test_extend_snap()
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{
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L8M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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touch "$snap_dir/C"
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lvextend -L+8M $vg/snap
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umount "$mount_dir"
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umount "$snap_dir"
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lvremove -y $vg/snap
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}
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test_fill_snap()
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{
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L4M $vg/$lv1 "$dev3"
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lvs -a $vg
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get lv_field $vg/snap lv_attr | grep "swi-a-s---"
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dd if=/dev/zero of="$mount_dir/1" bs=1M count=1 oflag=direct
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dd if=/dev/zero of="$mount_dir/2" bs=1M count=1 oflag=direct
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dd if=/dev/zero of="$mount_dir/3" bs=1M count=1 oflag=direct
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dd if=/dev/zero of="$mount_dir/4" bs=1M count=1 oflag=direct
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dd if=/dev/zero of="$mount_dir/5" bs=1M count=1 oflag=direct
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lvs -a $vg
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get lv_field $vg/snap lv_attr | grep "swi-I-s---"
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check lv_field $vg/snap data_percent "100.00"
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umount "$mount_dir"
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lvremove -y $vg/snap
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}
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aux prepare_devs 5 200
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5"
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lvcreate --type raid1 -m1 -n $lv1 -L32M $vg "$dev1" "$dev2"
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dmsetup table
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aux wait_for_sync $vg $lv1
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test_add_del_snap
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test_snap_with_missing_image
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test_missing_image_with_snap
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test_add_del_image_with_snap
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test_replace_image_with_snap
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test_repair_image_with_snap
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test_merge_snap
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test_extend_snap
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test_fill_snap
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lvremove -y $vg/$lv1
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# INTEGRITY TESTS FOLLOWING:
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if aux have_integrity 1 5 0; then
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lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -L32M $vg "$dev1" "$dev2"
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aux wait_recalc $vg ${lv1}_rimage_0
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aux wait_recalc $vg ${lv1}_rimage_1
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aux wait_for_sync $vg $lv1
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test_add_del_snap
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test_snap_with_missing_image
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test_missing_image_with_snap
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test_add_del_image_with_snap
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test_replace_image_with_snap
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test_repair_image_with_snap
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test_merge_snap
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test_extend_snap
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test_fill_snap
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lvremove -y $vg/$lv1
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# Repeat above with cache|writecache on the raid image?
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#
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# Add/remove integrity while a snapshot exists
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#
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lvcreate --type raid1 -m1 -n $lv1 -L32M $vg "$dev1" "$dev2"
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aux wait_for_sync $vg $lv1
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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touch "$snap_dir/C"
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lvconvert --raidintegrity y $vg/$lv1
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aux wait_recalc $vg ${lv1}_rimage_0
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aux wait_recalc $vg ${lv1}_rimage_1
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ls "$mount_dir/B"
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ls "$snap_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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touch "$mount_dir/B2"
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touch "$snap_dir/C2"
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lvconvert --raidintegrity n $vg/$lv1
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ls "$mount_dir/B"
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ls "$snap_dir/C"
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ls "$mount_dir/A"
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ls "$snap_dir/A"
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ls "$mount_dir/B2"
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ls "$snap_dir/C2"
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umount "$snap_dir"
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umount "$mount_dir"
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lvremove -y $vg/snap
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lvremove -y $vg/$lv1
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#
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# Add integrity not allowed with missing image and snapshot exists
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#
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lvcreate --type raid1 -m1 -n $lv1 -L32M $vg "$dev1" "$dev2"
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aux wait_for_sync $vg $lv1
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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touch "$mount_dir/A"
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lvcreate -s -n snap -L12M $vg/$lv1 "$dev3"
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mount "$DM_DEV_DIR/$vg/snap" "$snap_dir"
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touch "$mount_dir/B"
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touch "$snap_dir/C"
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aux disable_dev "$dev1"
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lvs -a $vg
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not lvconvert --raidintegrity y $vg/$lv1
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aux enable_dev "$dev1"
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lvs -a $vg
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umount "$snap_dir"
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umount "$mount_dir"
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lvremove -y $vg/snap
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lvremove -y $vg/$lv1
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fi # INTEGRITY TESTS SKIPPED
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vgremove -ff $vg
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