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tests: check how thin-pool allocation works

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Check allocation of thin-pool works on 2PVs, when one is so full,
that even metadata do not fit there (as they need at least 2M,
while 99% of 63MB fills >62MB)
This commit is contained in:
Zdenek Kabelac 2018-07-08 23:24:58 +02:00
parent 6d1c983122
commit 333eb8667e
1 changed files with 11 additions and 0 deletions
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11
test/shell/lvcreate-thin.sh
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@ -199,6 +199,17 @@ check vg_field $vg lv_count 6
lvremove -ff $vg
check vg_field $vg lv_count 0
# Check how allocator works with 2PVs where one is nearly full
lvcreate -l99%PV $vg "$dev1"
lvs -a $vg
# Check when separate metadata is required, allocation needs to fail
fail lvcreate -L10 -T --poolmetadataspare n --config 'allocation/thin_pool_metadata_require_separate_pvs=1' $vg
# Check when data and metadata may share the same PV, it shall pass
lvcreate -L10 -T --poolmetadataspare n --config 'allocation/thin_pool_metadata_require_separate_pvs=0' $vg
lvremove -f $vg
# Fail cases
# Too small pool size (1 extent 64KB) for given chunk size
not lvcreate --chunksize 256 -l1 -T $vg/pool1