Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=a766ea16b86501b62... Commit: a766ea16b86501b6241cf7ba96dd0f28e1cf35b7 Parent: cd9350198e3178251a54c442183465e8b7719251 Author: Zdenek Kabelac zkabelac@redhat.com AuthorDate: Wed May 29 23:36:44 2013 +0200 Committer: Zdenek Kabelac zkabelac@redhat.com CommitterDate: Thu May 30 17:35:23 2013 +0200

tests: snapshot testing

--- test/shell/snapshots-usage.sh | 87 +++++++++++++++++++++++++++++++++++++++++ 1 files changed, 87 insertions(+), 0 deletions(-)

diff --git a/test/shell/snapshots-usage.sh b/test/shell/snapshots-usage.sh new file mode 100644 index 0000000..ae08378 --- /dev/null +++ b/test/shell/snapshots-usage.sh @@ -0,0 +1,87 @@ +#!/bin/bash +# Copyright (C) 2013 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 + +# no automatic extensions please + +. lib/test + +fill() { + dd if=/dev/zero of=$DM_DEV_DIR/$vg1/lvol0 bs=$1 count=1 +} + +aux prepare_vg + +lvcreate -s -l 100%FREE -n $lv $vg --virtualsize 15P + +aux lvmconf "activation/snapshot_autoextend_percent = 20" \ + "activation/snapshot_autoextend_threshold = 50" +aux lvmconf 'devices/filter = [ "a|dev/mapper/.*$|", "a|dev/LVMTEST|", "r|.*|" ]' +aux lvmconf 'devices/global_filter = [ "a|dev/mapper/.*$|", "a|dev/LVMTEST|", "r|.*|" ]' + +# Check usability with smallest extent size +pvcreate --setphysicalvolumesize 4T $DM_DEV_DIR/$vg/$lv +vgcreate -s 1K $vg1 $DM_DEV_DIR/$vg/$lv + +# Check border size +lvcreate -aey -L4095G $vg1 +lvcreate -s -L100K $vg1/lvol0 +fill 1K +check lv_field $vg1/lvol1 data_percent "12.00" +lvremove -ff $vg1 + +# Create 1KB snapshot +lvcreate -aey -l1 $vg1 +not lvcreate -s -l1 $vg1/lvol0 +not lvcreate -s -l3 $vg1/lvol0 +lvcreate -s -l30 $vg1/lvol0 +check lv_field $vg1/lvol1 size "12.00k" + +not lvcreate -s -c512 -l512 $vg1/lvol0 +lvcreate -aey -s -c128 -l1700 $vg1/lvol0 +# 3 * 128 +check lv_field $vg1/lvol2 size "384.00k" + +lvremove -ff $vg1 + +lvcreate -aey -l20 $vg1 +lvcreate -s -l12 $vg1/lvol0 + +# Fill 1KB -> 100% snapshot (1x 4KB chunk) +fill 1K +check lv_field $vg1/lvol1 data_percent "100.00" + +# Check it resizes 100% full valid snapshot +lvextend --use-policies $vg1/lvol1 +check lv_field $vg1/lvol1 data_percent "80.00" + +fill 4K +lvextend --use-policies $vg1/lvol1 +check lv_field $vg1/lvol1 size "18.00k" + +lvextend -l+33 $vg1/lvol1 +check lv_field $vg1/lvol1 size "28.00k" + +fill 20K +vgremove -ff $vg1 + +# Check usability with large extent size +pvcreate $DM_DEV_DIR/$vg/$lv +vgcreate -s 4G $vg1 $DM_DEV_DIR/$vg/$lv + +lvcreate -aey -l1 $vg1 +lvcreate -s -l1 $vg1/lvol0 +check lv_field $vg1/lvol1 size "4.00g" + +lvcreate -aey -V15E -l1 -s $vg1 +check lv_field $vg1/lvol2 origin_size "15.00e" + +vgremove -ff $vg1 +vgremove -ff $vg