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tests: check new snapshot skills

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This commit is contained in:
Zdenek Kabelac 2014-06-17 13:35:40 +02:00
parent 8403bbd4ad
commit 378fa9d158
2 changed files with 39 additions and 5 deletions
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2
test/shell/snapshot-merge.sh
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@ -33,7 +33,7 @@ setup_merge_() {
if [ $NUM_EXTRA_SNAPS -gt 0 ]; then
for i in $(seq 1 $NUM_EXTRA_SNAPS); do
lvcreate -s -n ${BASE_SNAP_LV_NAME}_${i} -l 20%FREE ${VG_NAME}/${LV_NAME}
lvcreate -s -n ${BASE_SNAP_LV_NAME}_${i} -l 20%ORIGIN ${VG_NAME}/${LV_NAME}
done
fi
}

42
test/shell/snapshot-usage.sh
View File

@ -17,7 +17,8 @@ MKFS=mkfs.ext2
which $MKFS || skip
fill() {
dd if=/dev/zero of="$DM_DEV_DIR/$vg1/lvol0" bs=$1 count=1
dd if=/dev/zero of="$DM_DEV_DIR/${2:-$vg1/lvol0}" bs=$1 count=1 oflag=direct || \
die "Snapshot does not fit $1"
}
# Wait until device is opened
@ -39,9 +40,6 @@ cleanup_tail()
aux teardown
}
aux prepare_pvs 1
vgcreate -s 4M $vg $(cat DEVICES)
TSIZE=15P
aux can_use_16T || TSIZE=15T
@ -64,6 +62,21 @@ if aux target_at_least dm-snapshot 1 10 0 ; then
fi
fi
aux prepare_pvs 1
vgcreate -s 4M $vg $(cat DEVICES)
# Play with 1 extent
lvcreate -aey -l1 -n $lv $vg
# 100%LV is not supported for snapshot
fail lvcreate -s -l 100%LV -n snap $vg/$lv |& tee out
grep 'Please express size as %ORIGIN, %VG, %PVS, or %FREE' out
# 100%ORIGIN needs to have enough space for all data and needs to round-up
lvcreate -s -l 100%ORIGIN -n $lv1 $vg/$lv
# everything needs to fit
fill 4M $vg/$lv1
lvremove -f $vg
# Automatically activates exclusively in cluster
lvcreate -s -l 100%FREE -n $lv $vg --virtualsize $TSIZE
@ -76,6 +89,27 @@ pvcreate --setphysicalvolumesize 4T "$DM_DEV_DIR/$vg/$lv"
trap 'cleanup_tail' EXIT
vgcreate -s 1K $vg1 "$DM_DEV_DIR/$vg/$lv"
# Play with small 1k 128 extents
lvcreate -aey -L128K -n $lv $vg1
# 100%ORIGIN needs to have enough space for all data
lvcreate -s -l 100%ORIGIN -n snap100 $vg1/$lv
# everything needs to fit
fill 128k $vg1/snap100
# 50%ORIGIN needs to have enough space for 50% of data
lvcreate -s -l 50%ORIGIN -n snap50 $vg1/$lv
fill 64k $vg1/snap50
lvcreate -s -l 25%ORIGIN -n snap25 $vg1/$lv
fill 32k $vg1/snap25
# Check we do not provide too much extra space
not fill 33k $vg1/snap25
lvs -a $vg1
lvremove -f $vg1
# Test virtual snapshot over /dev/zero
lvcreate -V50 -L10 -n $lv1 -s $vg1
CHECK_ACTIVE="active"