#!/usr/bin/env bash # 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA # Exercise usage of stacked cache volume used in thin pool volumes SKIP_WITH_LVMLOCKD=1 SKIP_WITH_LVMPOLLD=1 . lib/inittest aux have_cache 1 3 0 || skip aux have_thin 1 0 0 || skip aux prepare_vg 5 80 lvcreate -L10 -n cpool $vg lvcreate -L10 -n tpool $vg lvcreate -L10 -n $lv1 $vg lvconvert --yes --cache --cachepool cpool $vg/tpool # Currently the only allowed stacking is cache thin data volume lvconvert --yes --type thin-pool $vg/tpool lvcreate -V10 -T -n $lv2 $vg/tpool aux mkdev_md5sum $vg $lv2 lvconvert --splitcache $vg/tpool check dev_md5sum $vg $lv2 lvchange -an $vg lvchange -ay $vg check dev_md5sum $vg $lv2 lvs -a $vg lvconvert --yes --cache --cachepool cpool $vg/tpool lvconvert --yes -T --thinpool $vg/tpool $vg/$lv1 check lv_field $vg/tpool segtype "thin-pool" check lv_field $vg/$lv1 segtype "thin" lvconvert --uncache $vg/tpool lvs -a $vg lvremove -f $vg # Check conversion of cached LV works as thin-pool lvcreate -L10 -n $lv $vg lvcreate -L10 -n $lv1 $vg lvcreate -H -L10 $vg/$lv # Stack of cache over cache is unsupported ATM fail lvconvert --yes --cachepool $vg/$lv # Thin-pool cannot use cached metaddata LV (meta should be on FAST device) fail lvconvert --yes --thinpool $vg/$lv1 --poolmetadata $vg/$lv # Thin-pool CAN use cached data LV lvconvert --yes --thinpool $vg/$lv lvremove -f $vg # Check we can active snapshot of cached external origin (BZ: 1967744) lvcreate -T -L10M $vg/pool "$dev1" lvcreate -L10M -n origin $vg "$dev1" lvcreate -H -L4M -n CPOOL $vg/origin "$dev2" # Use cached origin as external origin lvconvert -y -T --thinpool $vg/pool --originname extorig origin # Check we can easily create snapshot of such LV lvcreate -y -kn -n snap -s $vg/origin # Deactivate everything and do a component activation of _cmeta volume lvchange -an $vg lvchange -ay -y $vg/CPOOL_cpool_cmeta # Now this must fail since component volume is active not lvcreate -y -kn -n snap2 -s $vg/origin |& tee err grep "cmeta is active" err vgremove -f $vg