lvm2/test/shell/lvconvert-cache-raid.sh

#!/bin/sh
# Copyright (C) 2014 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

# Exercise usage of stacked cache volume using raid volume

. lib/inittest

aux have_cache 1 3 0 || skip
aux have_raid 1 0 0 || skip

aux prepare_vg 5 80

# Bug 1095843
# lvcreate RAID1 origin, lvcreate cache-pool, and lvconvert to cache
lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg
lvcreate --type cache-pool -l 1 -n ${lv1}_cachepool $vg
lvconvert --cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
check lv_exists $vg/${lv1}_corig_rimage_0 # ensure images are properly renamed
dmsetup table ${vg}-$lv1 | grep cache   # ensure it is loaded in kernel
lvremove -f $vg


# lvcreate RAID1 origin, lvcreate RAID1 cache-pool, and lvconvert to cache
lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg
lvcreate --type raid1 -m 1 -l 2 -n ${lv1}_cachepool $vg
#should lvs -a $vg/${lv1}_cdata_rimage_0  # ensure images are properly renamed
lvconvert --yes --type cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
check lv_exists $vg/${lv1}_corig_rimage_0        # ensure images are properly renamed
dmsetup table ${vg}-$lv1 | grep cache   # ensure it is loaded in kernel
lvremove -f $vg


lvcreate -n corigin -m 1 --type raid1 -l 10 $vg
lvcreate -n cpool --type cache $vg/corigin -l 10
lvconvert --splitmirrors 1 --name split $vg/corigin "$dev1"

lvremove -f $vg

lvcreate -n cpool_meta -m 1 --type raid1 -l 10 $vg
lvcreate -n cpool -m 1 --type raid1 -l 10 $vg
aux wait_for_sync $vg cpool_meta
aux wait_for_sync $vg cpool
lvs -a -o+seg_pe_ranges $vg
lvconvert --yes --type cache-pool --poolmetadata $vg/cpool_meta $vg/cpool
lvcreate -n corigin --type cache --cachepool $vg/cpool -l 10

lvchange --syncaction repair $vg/cpool_cmeta
lvchange --syncaction repair $vg/cpool_cdata

lvconvert --repair -y $vg/cpool_cmeta
lvconvert --repair -y $vg/cpool_cdata

# do not allow reserved names for *new* LVs
not lvconvert --splitmirrors 1 --name split_cmeta $vg/cpool_cmeta "$dev1"
not lvconvert --splitmirrors 1 --name split_cdata $vg/cpool_cdata "$dev1"

# but allow manipulating existing LVs with reserved names
aux wait_for_sync $vg cpool_cmeta
aux wait_for_sync $vg cpool_cdata
lvconvert --splitmirrors 1 --name split_meta $vg/cpool_cmeta "$dev1"
lvconvert --splitmirrors 1 --name split_data $vg/cpool_cdata "$dev1"

vgremove -f $vg