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Explicit wwid's from these sections control whether the same wwid in /etc/multipath/wwids is recognized as a multipath component. Other non-wwid keywords are not used, and may require disabling the use of the multipath wwids file in lvm.conf.
68 lines
1.8 KiB
Bash
68 lines
1.8 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_description='duplicate pv detection of mpath components using wwid'
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SKIP_WITH_LVMPOLLD=1
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SKIP_WITH_LVMLOCKD=1
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. lib/inittest
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# FIXME: skip until mpath/scsi_debug cleanup works after a failure
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skip
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modprobe --dry-run scsi_debug || skip
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multipath -l || skip
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multipath -l | grep scsi_debug && skip
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# Turn off multipath_component_detection so that the duplicate
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# resolution of mpath components is used.
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aux lvmconf 'devices/multipath_component_detection = 0'
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# Prevent wwids from being used for filtering.
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aux lvmconf 'devices/multipath_wwids_file = "/dev/null"'
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# Need to use /dev/mapper/mpath
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aux lvmconf 'devices/dir = "/dev"'
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aux lvmconf 'devices/scan = "/dev"'
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# Could set filter to $MP and the component /dev/sd devs
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aux lvmconf "devices/filter = [ \"a|.*|\" ]"
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aux lvmconf "devices/global_filter = [ \"a|.*|\" ]"
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modprobe scsi_debug dev_size_mb=100 num_tgts=1 vpd_use_hostno=0 add_host=4 delay=20 max_luns=2 no_lun_0=1
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sleep 2
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multipath -r
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sleep 2
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MPB=$(multipath -l | grep scsi_debug | cut -f1 -d ' ')
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echo $MPB
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MP=/dev/mapper/$MPB
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echo $MP
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pvcreate $MP
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vgcreate $vg1 $MP
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lvcreate -l1 $vg1
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vgchange -an $vg1
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pvs |tee out
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grep $MP out
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for i in $(grep -H scsi_debug /sys/block/sd*/device/model | cut -f4 -d /); do
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not grep /dev/$i out;
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done
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vgchange -an $vg1
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vgremove -y $vg1
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sleep 2
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multipath -f $MP
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sleep 1
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rmmod scsi_debug
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