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tests: update test for resize

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Drop already tested 'threshold & create' which is in
lvextend-thin-full.sh

Count with now match faster 'dmeventd' wakeup on watermark
as it's now nearly instant after crossing threshold value.
This commit is contained in:
Zdenek Kabelac 2015-10-29 15:11:16 +01:00
parent bca55c9b20
commit 28e54032c0
1 changed files with 6 additions and 22 deletions
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28
test/shell/lvextend-thin-metadata-dmeventd.sh
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@ -23,8 +23,8 @@ meta_percent_() {
wait_for_change_() {
# dmeventd only checks every 10 seconds :(
for i in $(seq 1 15) ; do
test "$(meta_percent_)" != "$1" && return
for i in $(seq 1 12) ; do
test "$(meta_percent_)" -lt "$1" && return
sleep 1
done
@ -101,43 +101,27 @@ lvconvert -y --chunksize 64k --thinpool $vg/pool --poolmetadata $vg/$lv1
vgchange -ay $vg
# Check dmeventd resizes metadata
# Check dmeventd resizes metadata via timeout (nothing is written to pool)
pre=$(meta_percent_)
wait_for_change_ $pre
lvchange -an $vg
lvs -a $vg
#
fake_metadata_ 350 2 >data
lvchange -ay $vg/$lv1
"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv1"
lvs -a $vg
dmsetup table
lvconvert -y --chunksize 64k --thinpool $vg/pool --poolmetadata $vg/$lv1
lvchange -ay $vg/pool $vg/$lv1
lvs -a $vg
lvcreate -s -Ky -n $lv2 $vg/thin
pre=$(meta_percent_)
# go over thin metadata threshold
echo 2 >"$DM_DEV_DIR/mapper/$vg-$lv2"
#lvchange -an $vg
#lvconvert -y --chunksize 64k --thinpool $vg/pool --poolmetadata $vg/$lv1
#lvchange -ay $vg/$lv1
#thin_dump "$DM_DEV_DIR/mapper/$vg-$lv1"
#exit
# no more space for new thin LV
#
# TODO:
# though maybe 'lvcreate' itself should initiate resize - if dmeventd is not 'fast' enough
# deploying usage of threshold kernel module paramater would likely help as well
# for now it stops here:
not lvcreate -s -Ky -n $lv3 $vg/thin
lvs -a $vg
pre=$(meta_percent_)
wait_for_change_ $pre
lvs -a $vg