shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2025-02-25 21:57:45 +03:00
Code Releases Activity

Adding test for repair when confusing metadata are found

Browse Source
This commit is contained in:
Zdenek Kabelac 2011-07-18 12:04:42 +00:00
parent 4ebbd137de
commit 8e97096fa2
1 changed files with 97 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

97
test/t-lvcreate-repair.sh Normal file
View File

@ -0,0 +1,97 @@
#!/bin/bash
# Copyright (C) 2011 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
. lib/test
aux prepare_vg 3
# fail multiple devices
for i in pv1 pv2 pv3 ; do
for j in pv2 pv3 ; do
if test $i = $j ; then continue ; fi
vgremove -ff $vg
vgcreate $vg $dev1 $dev2 $dev3
lvcreate -l1 -n $lv1 $vg $dev1
aux lvmconf "devices/filter = [ \"r/.*$i$/\", \"r/.*$j$/\", \"a/dev\/mapper\/.*pv[0-9_]*$/\", \"r/.*/\" ]"
vgreduce --removemissing --force $vg
# check if reduced device was removed
test $i = pv1 && dmsetup table | not egrep "$vg-$lv1: *[^ ]+" >/dev/null
lvcreate -l1 -n $lv2 $vg
test $i != pv1 && check lv_exists $vg $lv1
check lv_exists $vg $lv2
aux lvmconf 'devices/filter = [ "a/dev\/mapper\/.*pv[0-9_]*$/", "r/.*/" ]'
test $i != pv1 && check lv_exists $vg $lv1
check lv_exists $vg $lv2
done
done
vgremove -ff $vg
vgcreate $vg $dev1 $dev2 $dev3
# use tricky 'dd'
for i in "$dev1" "$dev2" "$dev3" ; do
for j in "$dev2" "$dev3" ; do
if test "$i" = "$j" ; then continue ; fi
dd if="$i" of=backup_i bs=256K count=1
dd if="$j" of=backup_j bs=256K count=1
lvcreate -l1 -n $lv1 $vg $dev1
dd if=backup_j of="$j" bs=256K count=1
dd if=backup_i of="$i" bs=256K count=1
check lv_exists $vg $lv1
# mda should be now consistent
lvremove -f $vg/$lv1
done
done
# confuse lvm with active LV left behind
dd if="$dev1" of=backup_i bs=256K count=1
dd if="$dev2" of=backup_j bs=256K count=1
lvcreate -l1 -n $lv1 $vg $dev1
dd if=backup_j of="$dev2" bs=256K count=1
dd if=backup_i of="$dev1" bs=256K count=1
# CHECKME: following command writes here:
# vgreduce --removemissing --force $vg
#
# WARNING: Inconsistent metadata found for VG LVMTESTvg - updating to use version 2
# Volume group "LVMTESTvg" is already consistent
# dirty game
dd if=/dev/zero of="$dev3" bs=256K count=1
vgreduce --removemissing --force $vg
# FIXME: here is LV1 left active - but metadata does not know about it
# and lvcreate does not check whether such device exists in the table
# so it ends with:
#
# device-mapper: create ioctl failed: Device or resource busy
# Failed to activate new LV.
should lvcreate -l1 -n $lv1 $vg $dev1