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89 lines
2.9 KiB
Bash
89 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2021 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Test usability of 16g thin pool metadata LV
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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aux have_thin 1 0 0 || skip
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aux prepare_vg 1 50000
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lvcreate -T -L10 --poolmetadatasize 16g $vg/pool
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check lv_field $vg/pool_tmeta size "<15.88g"
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lvremove -f $vg
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# Cropped way
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lvcreate -T -L10 --poolmetadatasize 16g --config 'allocation/thin_pool_crop_metadata=1' $vg/pool
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check lv_field $vg/pool_tmeta size "15.81g"
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lvremove -f $vg
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lvcreate -L16G -n meta $vg
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lvcreate -L10 -n pool $vg
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lvconvert --yes --thinpool $vg/pool --poolmetadata meta
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# Uncropped size 33554432 sectors - 16GiB
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dmsetup table ${vg}-pool_tmeta | grep 33554432
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lvremove -f $vg
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# Uses 20G metadata volume, but crops the size in DM table
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lvcreate -L20G -n meta $vg
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lvcreate -L10 -n pool $vg
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lvconvert --yes --thinpool $vg/pool --poolmetadata meta --config 'allocation/thin_pool_crop_metadata=1'
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check lv_field $vg/lvol0_pmspare size "16.00g"
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# Size should be cropped to 33161216 sectors ~15.81GiB
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dmsetup table ${vg}-pool_tmeta | grep 33161216
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# Also size remains unchanged with activation has no cropping,
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# but metadata have no CROP_METADATA flag set
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lvchange -an $vg
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lvchange -ay $vg
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# Size still stays cropped to 33161216 sectors ~15.81GiB
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dmsetup table ${vg}-pool_tmeta | grep 33161216
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lvremove -f $vg
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# Minimal size is 2M
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lvcreate -L1M -n meta $vg
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lvcreate -L10 -n pool $vg
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not lvconvert --yes --thinpool $vg/pool --poolmetadata meta
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lvremove -f $vg
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# Uses 20G metadata volume, but crops the size in DM table
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lvcreate -L1 --poolmetadatasize 10G -T $vg/pool
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lvresize -L+10G $vg/pool_tmeta --config 'allocation/thin_pool_crop_metadata=1'
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check lv_field $vg/lvol0_pmspare size "15.81g"
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# Size should be cropped to 33161216 sectors ~15.81GiB
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dmsetup table ${vg}-pool_tmeta | grep 33161216
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# Without cropping we can grow to ~15.88GiB
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lvresize -L+10G $vg/pool_tmeta
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check lv_field $vg/lvol0_pmspare size "<15.88g"
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lvremove -f $vg
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# User has already 'bigger' metadata and wants them uncropped
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lvcreate -L16G -n meta $vg
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lvcreate -L10 -n pool $vg
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lvconvert --yes --thinpool $vg/pool --poolmetadata meta --config 'allocation/thin_pool_crop_metadata=1'
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# No change with cropping
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lvresize -l+1 $vg/pool_tmeta --config 'allocation/thin_pool_crop_metadata=1'
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dmsetup table ${vg}-pool_tmeta | grep 33161216
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# Resizes to 'uncropped' size 16GiB with ANY size
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lvresize -l+1 $vg/pool_tmeta
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dmsetup table ${vg}-pool_tmeta | grep 33554432
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check lv_field $vg/pool_tmeta size "16.00g"
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vgremove -ff $vg
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