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lvm2/test/shell/metadata-balance.sh
Petr Rockai 633ef1a00b Tidy the shell tests into their own subdir. We now have:
- test/lib -- infrastructure and helper code
- test/api -- liblvm2app API tests
- test/unit -- C-based unit tests
- test/shell -- shell-based functional tests
2011-11-21 00:15:42 +00:00

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# Copyright (C) 2008 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_devs 6
echo Make sure we can ignore / un-ignore mdas on a per-PV basis
for pv_in_vg in 1 0; do
for mdacp in 1 2; do
pvcreate --metadatacopies $mdacp $dev1 $dev2
pvcreate --metadatacopies 0 $dev3
if [ $pv_in_vg = 1 ]; then
vgcreate -c n "$vg" $dev1 $dev2 $dev3
fi
pvchange --metadataignore y $dev1
check pv_field $dev1 pv_mda_count $mdacp
check pv_field $dev1 pv_mda_used_count 0
check pv_field $dev2 pv_mda_count $mdacp
check pv_field $dev2 pv_mda_used_count $mdacp
if [ $pv_in_vg = 1 ]; then
check vg_field $vg vg_mda_count $(($mdacp * 2))
check vg_field $vg vg_mda_used_count $mdacp
check vg_field $vg vg_mda_copies unmanaged
fi
pvchange --metadataignore n $dev1
check pv_field $dev1 pv_mda_count $mdacp
check pv_field $dev1 pv_mda_used_count $mdacp
if [ $pv_in_vg = 1 ]; then
check vg_field $vg vg_mda_count $(($mdacp * 2))
check vg_field $vg vg_mda_used_count $(($mdacp * 2))
check vg_field $vg vg_mda_copies unmanaged
vgremove -f $vg
fi
done
done
# Check if a PV has unignored (used) mdas, and if so, ignore
pvignore_ () {
pv_mda_used_count=$(get pv_field "$1" pv_mda_used_count)
if [ $pv_mda_used_count -ne 0 ]; then
pvchange --metadataignore y $1
fi
}
# Check if a PV has ignored mdas, and if so, unignore (make used)
pvunignore_ () {
pv_mda_count=$(get pv_field "$1" pv_mda_count)
pv_mda_used_count=$(get pv_field "$1" pv_mda_used_count)
if [ $pv_mda_count -gt $pv_mda_used_count ]; then
pvchange --metadataignore n $1
fi
}
echo Test of vgmetadatacopies with vgcreate and vgchange
for mdacp in 1 2; do
pvcreate --metadatacopies $mdacp $dev1 $dev2 $dev4 $dev5
check pv_field $dev1 pv_mda_used_count $mdacp
check pv_field $dev2 pv_mda_used_count $mdacp
check pv_field $dev4 pv_mda_used_count $mdacp
check pv_field $dev5 pv_mda_used_count $mdacp
pvcreate --metadatacopies 0 $dev3
vgcreate -c n "$vg" $dev1 $dev2 $dev3
check vg_field $vg vg_mda_copies unmanaged
echo ensure both --vgmetadatacopies and --metadatacopies accepted
vgchange --metadatacopies $(($mdacp * 1)) $vg
echo --vgmetadatacopies is persistent on disk
echo --vgmetadatacopies affects underlying pv mda ignore
check vg_field $vg vg_mda_copies $(($mdacp * 1))
check vg_field $vg vg_mda_used_count $(($mdacp * 1))
vgchange --vgmetadatacopies $(($mdacp * 2)) $vg
check vg_field $vg vg_mda_copies $(($mdacp * 2))
check vg_field $vg vg_mda_used_count $(($mdacp * 2))
echo allow setting metadatacopies larger than number of PVs
vgchange --vgmetadatacopies $(($mdacp * 5)) $vg
check vg_field $vg vg_mda_copies $(($mdacp * 5))
check vg_field $vg vg_mda_used_count $(($mdacp * 2))
echo setting to 0 disables automatic balancing
vgchange --vgmetadatacopies unmanaged $vg
check vg_field $vg vg_mda_copies unmanaged
vgremove -f $vg
echo vgcreate succeeds even when creating a VG w/all ignored mdas
pvchange --metadataignore y $dev1 $dev2
check pv_field $dev1 pv_mda_count $mdacp
check pv_field $dev2 pv_mda_used_count 0
vgcreate -c n "$vg" $dev1 $dev2
check vg_field $vg vg_mda_copies unmanaged
vgremove -f $vg
echo vgcreate succeeds with a specific number of metadata copies
vgcreate -c n --vgmetadatacopies $(($mdacp * 2)) "$vg" $dev1 $dev2
check vg_field $vg vg_mda_copies $(($mdacp * 2))
vgremove -f $vg
vgcreate -c n --vgmetadatacopies $(($mdacp * 1)) "$vg" $dev1 $dev2
check vg_field $vg vg_mda_copies $(($mdacp * 1))
vgremove -f $vg
echo vgcreate succeeds with a larger value than total metadatacopies
vgcreate -c n --vgmetadatacopies $(($mdacp * 5)) "$vg" $dev1 $dev2
check vg_field $vg vg_mda_copies $(($mdacp * 5))
vgremove -f $vg
echo vgcreate succeeds with --vgmetadatacopies unmanaged
vgcreate -c n --vgmetadatacopies unmanaged "$vg" $dev1 $dev2
check vg_field $vg vg_mda_copies unmanaged
vgremove -f $vg
pvunignore_ $dev1
pvunignore_ $dev2
pvunignore_ $dev4
pvunignore_ $dev5
echo vgcreate succeds with small value of --metadatacopies, ignores mdas
vgcreate -c n --vgmetadatacopies 1 "$vg" $dev1 $dev2 $dev4 $dev5
check vg_field $vg vg_mda_copies 1
check vg_field $vg vg_mda_count $(($mdacp * 4))
check vg_field $vg vg_mda_used_count 1
echo Setting a larger value should trigger non-ignore of mdas
vgchange --metadatacopies 3 $vg
check vg_field $vg vg_mda_copies 3
check vg_field $vg vg_mda_used_count 3
echo Setting all should trigger unignore of all mdas
vgchange --vgmetadatacopies all $vg
check vg_field $vg vg_mda_count $(($mdacp * 4))
check vg_field $vg vg_mda_copies unmanaged
check vg_field $vg vg_mda_used_count $(($mdacp * 4))
echo --vgmetadatacopies 0 should be unmanaged for vgchange and vgcreate
vgchange --vgmetadatacopies 0 $vg
check vg_field $vg vg_mda_copies unmanaged
vgremove -f $vg
vgcreate -c n --vgmetadatacopies 0 "$vg" $dev1 $dev2 $dev4 $dev5
check vg_field $vg vg_mda_copies unmanaged
vgremove -f $vg
done
echo Test vgextend / vgreduce with vgmetadatacopies
for mdacp in 1 2; do
pvcreate --metadatacopies $mdacp $dev1 $dev2 $dev4 $dev5
pvcreate --metadatacopies 0 $dev3
echo Set a large value of vgmetadatacopies
vgcreate -c n --vgmetadatacopies $(($mdacp * 5)) "$vg" $dev1 $dev2 $dev3
check vg_field $vg vg_mda_copies $(($mdacp * 5))
echo Ignore mdas on devices to be used for vgextend
echo Large value of vgetadatacopies should automatically un-ignore mdas
pvchange --metadataignore y $dev4 $dev5
check pv_field $dev4 pv_mda_used_count 0
vgextend $vg $dev4 $dev5
check pv_field $dev4 pv_mda_used_count $mdacp
check pv_field $dev5 pv_mda_used_count $mdacp
vgremove -f $vg
echo Set a small value of vgmetadatacopies
vgcreate -c n --vgmetadatacopies $(($mdacp * 1)) "$vg" $dev1 $dev2 $dev3
check vg_field $vg vg_mda_copies $(($mdacp * 1))
echo Ignore mdas on devices to be used for vgextend
echo Small value of vgetadatacopies should leave mdas as ignored
pvchange --metadataignore y $dev4 $dev5
check pv_field $dev4 pv_mda_used_count 0
vgextend $vg $dev4 $dev5
check pv_field $dev4 pv_mda_used_count 0
check pv_field $dev5 pv_mda_used_count 0
echo vgreduce of ignored pv w/mda should not trigger any change to ignore bits
vgreduce $vg $dev4
check pv_field $dev4 pv_mda_used_count 0
check pv_field $dev5 pv_mda_used_count 0
echo vgreduce of un-ignored pv w/mda should trigger un-ignore on an mda
vgreduce $vg $dev1 $dev2 $dev3
check pv_field $dev5 pv_mda_used_count $mdacp
check vg_field $vg vg_mda_copies $(($mdacp * 1))
pvunignore_ $dev1
pvunignore_ $dev2
echo setting vgmetadatacopies to unmanaged should allow vgextend to add w/out balancing
vgchange --vgmetadatacopies unmanaged $vg
vgextend $vg $dev1 $dev2
check vg_field $vg vg_mda_copies unmanaged
check vg_field $vg vg_mda_count $(($mdacp * 3))
check vg_field $vg vg_mda_used_count $((mdacp * 3))
check pv_field $dev1 pv_mda_used_count $mdacp
check pv_field $dev2 pv_mda_used_count $mdacp
vgremove -f $vg
done
echo Test special situations, vgsplit, vgmerge, etc
for mdacp in 1 2; do
pvcreate --metadatacopies $mdacp $dev1 $dev2 $dev3 $dev4 $dev5
vgcreate -c n --vgmetadatacopies 2 $vg1 $dev1 $dev2 $dev3
vgcreate -c n --vgmetadatacopies $(($mdacp * 1)) $vg2 $dev4 $dev5
echo vgsplit/vgmerge preserves value of metadata copies
check vg_field $vg1 vg_mda_copies 2
check vg_field $vg2 vg_mda_copies $(($mdacp * 1))
vgsplit $vg1 $vg2 $dev1
check vg_field $vg2 vg_mda_copies $(($mdacp * 1))
vgmerge $vg1 $vg2
check vg_field $vg1 vg_mda_copies 2
check vg_field $vg1 vg_mda_count $(($mdacp * 5))
echo vgsplit into new vg sets proper value of vgmetadatacopies
vgsplit --vgmetadatacopies $(($mdacp * 2)) $vg1 $vg2 $dev1 $dev2
check vg_field $vg2 vg_mda_copies $(($mdacp * 2))
echo vgchange fails if given both vgmetadatacopies and metadatacopies
not vgchange --vgmetadatacopies 5 --metadatacopies 7 $vg2
vgremove -f $vg1
vgremove -f $vg2
done
echo Test combination of --vgmetadatacopies and pvchange --metadataignore
for mdacp in 1 2; do
pvcreate --metadatacopies $mdacp $dev1 $dev2 $dev3 $dev4 $dev5
vgcreate -c n --vgmetadatacopies $(($mdacp * 1)) $vg1 $dev1 $dev2
check vg_field $vg1 vg_mda_copies $(($mdacp * 1))
check vg_field $vg1 vg_mda_used_count $(($mdacp * 1))
pvignore_ $dev3
echo Ensure vgextend of PVs with ignored MDAs does not add to vg_mda_used_count
vgextend $vg1 $dev3
check vg_field $vg1 vg_mda_used_count $(($mdacp * 1))
echo Using pvchange to unignore should update vg_mda_used_count
pvchange -f --metadataignore n $dev3
check pv_field $dev3 pv_mda_used_count $mdacp
check vg_field $vg1 vg_mda_used_count $(($mdacp * 2))
echo Set unmanaged on the vg should keep ignore bits the same during vgextend
vgchange --vgmetadatacopies unmanaged $vg1
check vg_field $vg1 vg_mda_used_count $(($mdacp * 2))
pvunignore_ $dev4
vgextend $vg1 $dev4
check pv_field $dev4 pv_mda_used_count $mdacp
check vg_field $vg1 vg_mda_used_count $(($mdacp * 3))
echo Using pvchange to ignore should update vg_mda_used_count
pvchange -f --metadataignore y $dev4
check pv_field $dev4 pv_mda_used_count 0
check vg_field $vg1 vg_mda_used_count $(($mdacp * 2))
vgremove -f $vg1
done