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git://sourceware.org/git/lvm2.git
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132 lines
3.9 KiB
Bash
132 lines
3.9 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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# this test needs lot of memory
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test "$(aux total_mem)" -gt 524288 || skip
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LVM_TEST_PVS=${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 1000
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get_devs
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vgcreate $SHARED -s 512K --metadatacopies 8 $vg "${DEVICES[@]}"
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# Create a large metadata set, that getting close to 1/2MiB in size
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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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vgcfgbackup -f data $vg
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TEST_DEVS=925
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# Generate a lot of LV devices (size of 1 extent)
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awk -v TEST_DEVS=$TEST_DEVS '/^\t\}/ {
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printf("\t}\n\tlogical_volumes {\n");
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cnt=0;
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for (i = 0; i < TEST_DEVS; i++) {
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printf("\t\tlvol%d {\n", i);
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printf("\t\t\tid = \"%06d-1111-2222-3333-2222-1111-%06d\"\n", i, i);
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print "\t\t\tstatus = [\"READ\", \"WRITE\", \"VISIBLE\"]";
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print "\t\t\ttags = [\"A123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789\"]";
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print "\t\t\tsegment_count = 1";
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print "\t\t\tsegment1 {";
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print "\t\t\t\tstart_extent = 0";
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print "\t\t\t\textent_count = 1";
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print "\t\t\t\ttype = \"striped\"";
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print "\t\t\t\tstripe_count = 1";
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print "\t\t\t\tstripes = [";
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print "\t\t\t\t\t\"pv0\", " cnt++;
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printf("\t\t\t\t]\n\t\t\t}\n\t\t}\n");
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}
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}
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{print}
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' data >data_new
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# Restoring big data set of LVs
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vgcfgrestore -f data_new $vg
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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 $(seq 1 "$TEST_DEVS"); do
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lvchange --addtag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$i || break;
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done
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# test we hit 'out-of-metadata-space'
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test "$i" -gt 2
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test "$i" -lt "$TEST_DEVS"
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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 j in $(seq 1 "$i"); do
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lvchange --deltag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$j;
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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
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lvcreate -l1 -an --addtag C123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg || break;
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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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# Avoid activation of large set of volumes - this is tested in vgchange-many.sh
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#vgchange -ay $vg
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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 30); 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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# FIXME:
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# takes extreme amount of time, despite the fact, there are only few LVs active.
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vgremove -ff $vg
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