[lvm-devel] [PATCH 35/35] Update tests to handle phase 2 (vg based) metadata balance.
Dave Wysochanski
dwysocha at redhat.com
Tue Jun 22 03:06:08 UTC 2010
Test vgcreate/vgchange --vgmetadatacopies, vgextend, vgreduce,
vgsplit, vgmerge.
Signed-off-by: Dave Wysochanski <dwysocha at redhat.com>
---
test/t-metadata-balance.sh | 153 +++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 151 insertions(+), 2 deletions(-)
diff --git a/test/t-metadata-balance.sh b/test/t-metadata-balance.sh
index 2321771..95764a8 100755
--- a/test/t-metadata-balance.sh
+++ b/test/t-metadata-balance.sh
@@ -10,9 +10,9 @@
. ./test-utils.sh
-aux prepare_devs 5
+aux prepare_devs 6
-# Make sure we can ignore / un-ignore mdas on a per-PV basis
+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
@@ -28,6 +28,7 @@ for mdacp in 1 2; do
if [ $pv_in_vg = 1 ]; then
check_vg_field_ $vg vg_mda_count $(($mdacp * 2))
check_vg_field_ $vg vg_mda_count_ignored $mdacp
+ check_vg_field_ $vg vg_mda_copies 0
fi
pvchange --metadataignore n $dev1
check_pv_field_ $dev1 pv_mda_count $mdacp
@@ -35,7 +36,155 @@ for mdacp in 1 2; do
if [ $pv_in_vg = 1 ]; then
check_vg_field_ $vg vg_mda_count $(($mdacp * 2))
check_vg_field_ $vg vg_mda_count_ignored 0
+ check_vg_field_ $vg vg_mda_copies 0
vgremove -f $vg
fi
done
done
+
+# Check if a PV has non-ignored mdas, and if so, ignore
+pvignore_ () {
+ pv_ignored=$(get_pv_field "$1" pv_mda_count_ignored)
+ if [ $pv_ignored = 0 ]; then
+ pvchange --metadataignore y $1
+ fi
+}
+
+pvunignore_ () {
+ pv_ignored=$(get_pv_field "$1" pv_mda_count_ignored)
+ if [ $pv_ignored != 0 ]; 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_count_ignored 0
+ check_pv_field_ $dev2 pv_mda_count_ignored 0
+ check_pv_field_ $dev4 pv_mda_count_ignored 0
+ check_pv_field_ $dev5 pv_mda_count_ignored 0
+ pvcreate --metadatacopies 0 $dev3
+ vgcreate -c n "$vg" $dev1 $dev2 $dev3
+ check_vg_field_ $vg vg_mda_copies 0
+ 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_count_ignored $(($mdacp * 1))
+ vgchange --vgmetadatacopies $(($mdacp * 2)) $vg
+ check_vg_field_ $vg vg_mda_copies $(($mdacp * 2))
+ check_vg_field_ $vg vg_mda_count_ignored 0
+ 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_count_ignored 0
+ echo setting to 0 disables automatic balancing
+ vgchange --vgmetadatacopies 0 $vg
+ check_vg_field_ $vg vg_mda_copies 0
+ 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_count_ignored $mdacp
+ vgcreate -c n "$vg" $dev1 $dev2
+ check_vg_field_ $vg vg_mda_copies 0
+ 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 $vg
+ echo vgcreate succeeds with --vgmetadatacopies 0
+ vgcreate -c n --vgmetadatacopies 0 "$vg" $dev1 $dev2
+ check_vg_field_ $vg vg_mda_copies 0
+ 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_count_ignored $(($mdacp * 4 - 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_count_ignored $(($mdacp * 4 - 3))
+ echo Setting a smaller value should trigger ignore of mdas
+ 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_count_ignored $mdacp
+ vgextend $vg $dev4 $dev5
+ check_pv_field_ $dev4 pv_mda_count_ignored 0
+ check_pv_field_ $dev5 pv_mda_count_ignored 0
+ 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_count_ignored $mdacp
+ vgextend $vg $dev4 $dev5
+ check_pv_field_ $dev4 pv_mda_count_ignored $mdacp
+ check_pv_field_ $dev5 pv_mda_count_ignored $mdacp
+ echo vgreduce of ignored pv w/mda should not trigger any change to ignore bits
+ vgreduce $vg $dev4
+ check_pv_field_ $dev4 pv_mda_count_ignored $mdacp
+ check_pv_field_ $dev5 pv_mda_count_ignored $mdacp
+ 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_count_ignored 0
+ check_vg_field_ $vg vg_mda_copies $(($mdacp * 1))
+ pvunignore_ $dev1
+ pvunignore_ $dev2
+ echo setting vgmetadatacopies to 0 should allow vgextend to add w/out balancing
+ vgchange --vgmetadatacopies 0 $vg
+ vgextend $vg $dev1 $dev2
+ check_vg_field_ $vg vg_mda_copies 0
+ check_vg_field_ $vg vg_mda_count $(($mdacp * 3))
+ check_vg_field_ $vg vg_mda_count_ignored 0
+ check_pv_field_ $dev1 pv_mda_count_ignored 0
+ check_pv_field_ $dev2 pv_mda_count_ignored 0
+ 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))
+ vgremove -f $vg1
+ vgremove -f $vg2
+done
--
1.6.0.6
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