[lvm-devel] master - tests: lvconvert cache
Zdenek Kabelac
zkabelac at fedoraproject.org
Mon Oct 6 13:34:02 UTC 2014
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=c243cf6581904c2628294d342ba1380208985e49
Commit: c243cf6581904c2628294d342ba1380208985e49
Parent: 52821572d507a48b7bf9b9b79e2fd765ece9c423
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Mon Oct 6 11:49:49 2014 +0200
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Mon Oct 6 15:31:44 2014 +0200
tests: lvconvert cache
Many new tests
---
test/shell/lvconvert-cache.sh | 125 ++++++++++++++++++++++++++++++-----------
1 files changed, 93 insertions(+), 32 deletions(-)
diff --git a/test/shell/lvconvert-cache.sh b/test/shell/lvconvert-cache.sh
index 5979912..c108008 100644
--- a/test/shell/lvconvert-cache.sh
+++ b/test/shell/lvconvert-cache.sh
@@ -9,39 +9,36 @@
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Exercise conversion of cache and cache pool
+
. lib/inittest
aux have_cache 1 3 0 || skip
aux prepare_vg 5 80
+###########################
+# Check regular converion #
+###########################
# lvcreate origin, lvcreate cache-pool, and lvconvert to cache
-lvcreate -L 2 -n $lv1 $vg
+lvcreate -an -Zn -L 2 -n $lv1 $vg
lvcreate -L 8 -n $lv2 $vg
-lvcreate -L 8 -n $lv3 $vg
-
-# undefined cachepool
-invalid lvconvert --type cache --poolmetadata $vg/$lv2 $vg/$lv1
-
-# cannot mix with thins
-invalid lvconvert --type cache --poolmetadata $vg/$lv2 --thinpool $vg/$lv1
-invalid lvconvert --type cache --thin --poolmetadata $vg/$lv2 $vg/$lv1
+lvcreate -an -Zn -L 8 -n $lv3 $vg
+lvcreate -an -Zn -L 8 -n $lv4 $vg
+lvcreate -an -Zn -L 16 -n $lv5 $vg
-# undefined cached volume
-invalid lvconvert --type cache --cachepool $vg/$lv1
-invalid lvconvert --cache --cachepool $vg/$lv1
-
-# single vg
-invalid lvconvert --type cache --cachepool $vg/$lv1 --poolmetadata $vg1/$lv2 $vg/$lv3
-invalid lvconvert --type cache --cachepool $vg/$lv1 --poolmetadata $lv2 $vg1/$lv3
-invalid lvconvert --type cache --cachepool $vg1/$lv1 --poolmetadata $vg2/$lv2 $vg/$lv3
-
-invalid lvconvert --cachepool $vg1/$lv1 --poolmetadata $vg2/$lv2
-invalid lvconvert --type cache-pool --poolmetadata $vg2/$lv2 $vg1/$lv1
+lvconvert --yes --type cache-pool --cachepool $vg/$lv1
+check inactive $vg ${lv1}_cdata
+lvconvert --yes --type cache-pool --chunksize 256 $vg/$lv2
+check inactive $vg ${lv2}_cdata
+check lv_field $vg/$lv2 chunk_size "256.00k"
-fail lvconvert --yes --type cache-pool --chunksize 16M --poolmetadata $lv2 $vg/$lv1
+# Check swap of cache pool metadata
+lvconvert --yes --type cache-pool --poolmetadata $lv4 $vg/$lv3
+UUID=$(get lv_field $vg/$lv5 uuid)
+lvconvert --yes --cachepool $vg/$lv3 --poolmetadata $lv5
+check lv_field $vg/${lv3}_cmeta uuid "$UUID"
-lvconvert --yes --type cache-pool --cachepool $vg/$lv1
#fail lvconvert --cachepool $vg/$lv1 --poolmetadata $vg/$lv2
#lvconvert --yes --type cache-pool --poolmetadata $vg/$lv2 $vg/$lv1
@@ -51,7 +48,6 @@ lvremove -ff $vg
lvcreate -L 2 -n $lv1 $vg
lvcreate --type cache-pool -l 1 -n ${lv1}_cachepool $vg
-
lvconvert --cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
dmsetup table ${vg}-$lv1 | grep cache # ensure it is loaded in kernel
@@ -60,39 +56,104 @@ dmsetup table ${vg}-$lv1 | grep cache # ensure it is loaded in kernel
fail lvconvert --type cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
-lvremove -ff $vg
+
+# Test --splitcache leaves both cache origin and cache pool
+lvconvert --splitcache $vg/$lv1
+check lv_exists $vg $lv1 ${lv1}_cachepool
+lvremove -f $vg
+
# Bug 1095843
# lvcreate RAID1 origin, lvcreate cache-pool, and lvconvert to cache
lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg
lvcreate --type cache-pool -l 1 -n ${lv1}_cachepool $vg
-lvconvert --type cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
-lvs -a $vg/${lv1}_corig_rimage_0 # ensure images are properly renamed
+lvconvert --cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
+check lv_exists $vg/${lv1}_corig_rimage_0 # ensure images are properly renamed
dmsetup table ${vg}-$lv1 | grep cache # ensure it is loaded in kernel
lvremove -ff $vg
+
# lvcreate RAID1 origin, lvcreate RAID1 cache-pool, and lvconvert to cache
lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg
lvcreate --type raid1 -m 1 -l 2 -n ${lv1}_cachepool $vg
-lvconvert --type cache-pool --yes $vg/${lv1}_cachepool
#should lvs -a $vg/${lv1}_cdata_rimage_0 # ensure images are properly renamed
-lvconvert --type cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
-lvs -a $vg/${lv1}_corig_rimage_0 # ensure images are properly renamed
+lvconvert --yes --type cache --cachepool $vg/${lv1}_cachepool $vg/$lv1
+check lv_exists $vg/${lv1}_corig_rimage_0 # ensure images are properly renamed
dmsetup table ${vg}-$lv1 | grep cache # ensure it is loaded in kernel
lvremove -ff $vg
+
lvcreate -n corigin -l 10 $vg
lvcreate -n pool -l 10 $vg
lvs -a -o +devices
-echo n | not lvconvert --type cache --cachepool $vg/pool $vg/corigin
-lvconvert -y --type cache --cachepool $vg/pool $vg/corigin
-
+fail lvconvert --type cache --cachepool $vg/pool $vg/corigin
+lvconvert --yes --cache --cachepool $vg/pool $vg/corigin
lvremove -ff $vg
+
# TODO: creating a cache on top of active RAID appears to be broken
lvcreate -n corigin -m 1 --type raid1 -l 10 $vg
lvcreate -n cpool --type cache $vg/corigin -l 10
lvchange --refresh $vg # fix up DM tables
lvconvert --splitmirrors 1 --name split $vg/corigin $dev1
+lvremove -f $vg
+
+#######################
+# Invalid conversions #
+#######################
+lvcreate -an -Zn -L 2 -n $lv1 $vg
+lvcreate -an -Zn -L 8 -n $lv2 $vg
+lvcreate -an -Zn -L 8 -n $lv3 $vg
+lvcreate -an -Zn -L 8 -n $lv4 $vg
+
+# Undefined cachepool
+invalid lvconvert --type cache --poolmetadata $vg/$lv2 $vg/$lv1
+
+# Cannot mix with thins
+invalid lvconvert --type cache --poolmetadata $vg/$lv2 --thinpool $vg/$lv1
+invalid lvconvert --type cache --thin --poolmetadata $vg/$lv2 $vg/$lv1
+
+# Undefined cached volume
+invalid lvconvert --type cache --cachepool $vg/$lv1
+invalid lvconvert --cache --cachepool $vg/$lv1
+
+# Single vg is required
+invalid lvconvert --type cache --cachepool $vg/$lv1 --poolmetadata $vg1/$lv2 $vg/$lv3
+invalid lvconvert --type cache --cachepool $vg/$lv1 --poolmetadata $lv2 $vg1/$lv3
+invalid lvconvert --type cache --cachepool $vg1/$lv1 --poolmetadata $vg2/$lv2 $vg/$lv3
+invalid lvconvert --type cache-pool --poolmetadata $vg2/$lv2 $vg1/$lv1
+
+invalid lvconvert --cachepool $vg1/$lv1 --poolmetadata $vg2/$lv2
+
+# Invalid syntax, vg is unknown
+invalid lvconvert --yes --cachepool $lv3 --poolmetadata $lv4
+
+# Invalid chunk size is <32KiB >1GiB
+invalid lvconvert --type cache-pool --chunksize 16 --poolmetadata $lv2 $vg/$lv1
+invalid lvconvert --type cache-pool --chunksize 2G --poolmetadata $lv2 $vg/$lv1
+
+# Invalid chunk size is bigger then data size, needs to open VG
+fail lvconvert --yes --type cache-pool --chunksize 16M --poolmetadata $lv2 $vg/$lv1
+
+lvremove -f $vg
+
+##########################
+# Prohibited conversions #
+##########################
+lvcreate --type cache-pool -L10 $vg/$lv1
+lvcreate --cache -L20 $vg/$lv1
+lvcreate -L10 -n $lv2 $vg
+
+fail lvconvert --yes --type cache $vg/$lv2 --cachepool $vg/$lv1
+fail lvconvert --yes --type cache $vg/$lv1 --cachepool $vg/$lv2
+fail lvconvert --yes --type cache-pool $vg/$lv1
+fail lvconvert --yes --type mirror -m1 $vg/$lv1
+fail lvconvert --yes --type raid1 -m1 $vg/$lv1
+fail lvconvert --yes --type snapshot $vg/$lv1 $vg/$lv2
+fail lvconvert --yes --type snapshot $vg/$lv2 $vg/$lv1
+fail lvconvert --yes -T --thinpool $vg/$lv2 $vg/$lv1
+
+lvremove -f $vg
+
vgremove -f $vg
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