mirror of
git://sourceware.org/git/lvm2.git
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131 lines
3.7 KiB
Bash
131 lines
3.7 KiB
Bash
#!/bin/sh
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# Copyright (C) 2014 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 autoextension of thin metadata volume
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false}
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. lib/inittest
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meta_percent_() {
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get lv_field $vg/pool metadata_percent | cut -d. -f1
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}
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wait_for_change_() {
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# dmeventd only checks every 10 seconds :(
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for i in $(seq 1 12) ; do
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test "$(meta_percent_)" -lt "$1" && return
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sleep 1
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done
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return 1 # timeout
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}
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#
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# Temporary solution to create some occupied thin metadata
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# This heavily depends on thin metadata output format to stay as is.
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# Currently it expects 2MB thin metadata and 200MB data volume size
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# Argument specifies how many devices should be created.
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fake_metadata_() {
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echo '<superblock uuid="" time="0" transaction="'$2'" data_block_size="128" nr_data_blocks="3200">'
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echo ' <device dev_id="1" mapped_blocks="0" transaction="0" creation_time="0" snap_time="0">'
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echo ' </device>'
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echo ' <device dev_id="2" mapped_blocks="0" transaction="0" creation_time="0" snap_time="0">'
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echo ' </device>'
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for i in $(seq 10 $1)
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do
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echo ' <device dev_id="'$i'" mapped_blocks="30" transaction="0" creation_time="0" snap_time="0">'
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echo ' <range_mapping origin_begin="0" data_begin="0" length="29" time="0"/>'
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echo ' </device>'
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set +x
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done
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echo "</superblock>"
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set -x
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}
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test -n "$LVM_TEST_THIN_RESTORE_CMD" || LVM_TEST_THIN_RESTORE_CMD=$(which thin_restore) || skip
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"$LVM_TEST_THIN_RESTORE_CMD" -V || skip
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aux have_thin 1 10 0 || skip
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aux prepare_dmeventd
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aux lvmconf "activation/thin_pool_autoextend_percent = 10" \
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"activation/thin_pool_autoextend_threshold = 70"
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aux prepare_pvs 3 256
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vgcreate -s 1M $vg $(cat DEVICES)
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# Testing dmeventd autoresize
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lvcreate -L200M -V500M -n thin -T $vg/pool 2>&1 | tee out
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not grep "WARNING: Sum" out
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lvcreate -V2M -n thin2 $vg/pool
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lvcreate -L2M -n $lv1 $vg
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lvchange -an $vg/thin $vg/thin2 $vg/pool
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# Prepare some fake metadata with unmatching id
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# Transaction_id is lower by 1 and there are no messages -> ERROR
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fake_metadata_ 10 0 >data
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"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv1"
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lvconvert -y --thinpool $vg/pool --poolmetadata $vg/$lv1
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not vgchange -ay $vg 2>&1 | tee out
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grep expected out
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check inactive $vg pool_tmeta
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# Transaction_id is higher by 1
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fake_metadata_ 10 3 >data
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"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv1"
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lvconvert -y --thinpool $vg/pool --poolmetadata $vg/$lv1
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not vgchange -ay $vg 2>&1 | tee out
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grep expected out
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check inactive $vg pool_tmeta
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# Prepare some fake metadata prefilled to ~81% (>70%)
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fake_metadata_ 400 2 >data
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"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv1"
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# Swap volume with restored fake metadata
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lvconvert -y --chunksize 64k --thinpool $vg/pool --poolmetadata $vg/$lv1
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vgchange -ay $vg
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# Check dmeventd resizes metadata via timeout (nothing is written to pool)
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pre=$(meta_percent_)
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wait_for_change_ $pre
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lvchange -an $vg
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#
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fake_metadata_ 350 2 >data
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lvchange -ay $vg/$lv1
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"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv1"
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lvconvert -y --chunksize 64k --thinpool $vg/pool --poolmetadata $vg/$lv1
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lvchange -ay $vg/pool $vg/$lv1
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lvs -a $vg
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lvcreate -s -Ky -n $lv2 $vg/thin
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pre=$(meta_percent_)
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# go over thin metadata threshold
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echo 2 >"$DM_DEV_DIR/mapper/$vg-$lv2"
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wait_for_change_ $pre
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lvs -a $vg
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vgremove -f $vg
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