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97 lines
2.8 KiB
Bash
97 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2008-2013 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_description='Test full metadata'
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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LVM_TEST_PVS=${LVM_TEST_PVS:-64}
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# aux prepare_vg $LVM_TEST_PVS
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unset LVM_LOG_FILE_MAX_LINES
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aux prepare_devs 64
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get_devs
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vgcreate $SHARED -s 512K --metadatacopies 8 $vg "${DEVICES[@]}"
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# have tested to see how many LVs can be created in a
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# vg set up like this and it's around 1190, so pick a
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# number less than that but over 1024 (in case there's
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# some issue at the number 1024 we want to find it.)
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#
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# uses long tags to increase the size of the metadata
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# more quickly
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#
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# the specific number of LVs in these loops isn't great
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# because it doesn't depend specified behavior, but it's
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# based on how much metadata it produces at the time this
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# is written.
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for i in `seq 1 1050`; do lvcreate -l1 -an --addtag A123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg; done
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# should show non-zero
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vgs -o+pv_mda_free
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# these addtag's will fail at some point when metadata space is full
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for i in `seq 1 1050`; do lvchange --addtag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$i || true; done
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# should show 0
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vgs -o+pv_mda_free
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check vg_field $vg vg_mda_free 0
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# remove some of the tags to check that we can reduce the size of the
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# metadata, and continue using the vg
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for i in `seq 1 50`; do lvchange --deltag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$i || true; done
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# should show non-zero
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vgs -o+pv_mda_free
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# these will fail at some point when metadata space is full again
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for i in `seq 1 50`; do lvcreate -l1 -an --addtag C123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg || true; done
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# should show 0
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vgs -o+pv_mda_free
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check vg_field $vg vg_mda_free 0
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# as long as we have a lot of LVs around, try to activate them all
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# (filters are already set up that exclude the activated LVs from
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# being scanned)
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time vgs
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vgchange -ay $vg
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time vgs
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vgchange -an $vg
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# see if we can remove LVs to make more metadata space,
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# and then create more LVs
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for i in `seq 1 50`; do lvremove -y $vg/lvol$i; done
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for i in `seq 1 10`; do lvcreate -l1 $vg; done
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# should show non-zero
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vgs -o+pv_mda_free
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vgremove -ff $vg
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