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