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6620dc9475
Save the list of PVs in /run/lvm/hints. These hints are used to reduce scanning in a number of commands to only the PVs on the system, or only the PVs in a requested VG (rather than all devices on the system.)
520 lines
12 KiB
Bash
520 lines
12 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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test_description='Test duplicate PVs'
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SKIP_WITH_LVMPOLLD=1
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SKIP_WITH_CLVMD=1
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. lib/inittest
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aux prepare_devs 6 16
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# The LV-using-PV tests (DEV_USED_FOR_LV, where a PV is
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# preferred if an active LV is using it) depend on sysfs
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# info that is not available in RHEL5 kernels.
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aux driver_at_least 4 15 || skip
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aux lvmconf 'devices/allow_changes_with_duplicate_pvs = 0'
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pvcreate "$dev1"
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pvcreate "$dev2"
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vgcreate $SHARED $vg1 "$dev1"
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vgcreate $SHARED $vg2 "$dev2"
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pvresize --setphysicalvolumesize 8m -y "$dev2"
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lvcreate -an -l1 -n $lv1 $vg1
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# Both devs are shown and used by the VG
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pvs 2>&1 | tee out
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grep "$dev1" out
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grep "$dev2" out
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grep "$dev1" out | grep $vg1
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grep "$dev2" out | grep $vg2
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check pv_field "$dev1" pv_allocatable "allocatable"
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check pv_field "$dev2" pv_allocatable "allocatable"
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not grep WARNING out
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UUID1=$(get pv_field "$dev1" uuid)
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UUID2=$(get pv_field "$dev2" uuid)
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SIZE1=$(get pv_field "$dev1" dev_size)
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SIZE2=$(get pv_field "$dev2" dev_size)
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MINOR1=$(get pv_field "$dev1" minor)
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MINOR2=$(get pv_field "$dev2" minor)
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check pv_field "$dev1" dev_size "$SIZE1"
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check pv_field "$dev2" dev_size "$SIZE2"
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# Copy dev1 over dev2.
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dd if="$dev1" of="$dev2" bs=1M iflag=direct oflag=direct,sync
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#pvscan --cache
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# The single preferred dev is shown from 'pvs'.
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pvs -o+uuid,duplicate 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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# Don't know yet if dev1 or dev2 is preferred, so count just one is.
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test "$(grep -c "$vg1" main)" -eq 1
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test "$(grep -c "$UUID1" main)" -eq 1
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not grep duplicate main
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not grep $vg2 main
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not grep $UUID2 main
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grep "Not using device" warn
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grep "prefers device" warn
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# Find which is the preferred dev and which is the duplicate.
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PV=$(pvs --noheadings -o name -S uuid="$UUID1" | xargs)
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if [ "$PV" = "$dev1" ]; then
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DUP=$dev2
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else
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DUP=$dev1
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fi
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echo "PV is $PV"
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echo "DUP is $DUP"
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grep "$PV" main
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not grep "$DUP" main
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# Repeat above checking preferred/dup in output
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pvs 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$PV" main
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not grep "$DUP" main
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# The duplicate dev is included in 'pvs -a'
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pvs -a -o+uuid,duplicate 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev1" main
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grep "$dev2" main
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grep $PV main
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grep $DUP main
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test "$(grep -c duplicate main)" -eq 1
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grep $DUP main | grep duplicate
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not grep $vg2 main
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not grep $UUID2 main
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grep "$dev1" main | grep $vg1
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grep "$dev2" main | grep $vg1
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grep "$dev1" main | grep $UUID1
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grep "$dev2" main | grep $UUID1
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grep "Not using device" warn
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grep "prefers device" warn
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#
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# Passing a dev name arg always includes that dev.
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#
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pvs -o+uuid "$dev1" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev1" main
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not grep "$dev2" main
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grep "$UUID1" main
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grep "$vg1" main
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grep "Not using device" warn
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grep "prefers device" warn
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pvs -o+uuid "$dev2" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev2" main
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not grep "$dev1" main
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grep "$UUID1" main
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grep "$vg1" main
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grep "Not using device" warn
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grep "prefers device" warn
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pvs -o+uuid,duplicate "$dev1" "$dev2" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev1" main
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grep "$dev2" main
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grep "$dev1" main | grep $vg1
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grep "$dev2" main | grep $vg1
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grep "$dev1" main | grep $UUID1
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grep "$dev2" main | grep $UUID1
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test "$(grep -c duplicate main)" -eq 1
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grep $DUP main | grep duplicate
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#
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# Test specific report fields for each dev.
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#
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pvs --noheadings -o vg_name,vg_uuid "$dev1" 2>&1 | tee out1
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pvs --noheadings -o vg_name,vg_uuid "$dev2" 2>&1 | tee out2
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grep -v WARNING out1 > main1 || true
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grep -v WARNING out2 > main2 || true
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diff main1 main2
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rm out1 out2 main1 main2 || true
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check pv_field "$dev1" pv_in_use "used"
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check pv_field "$dev2" pv_in_use "used"
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check pv_field "$PV" pv_allocatable "allocatable"
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check pv_field "$DUP" pv_allocatable ""
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check pv_field "$PV" pv_duplicate ""
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check pv_field "$DUP" pv_duplicate "duplicate"
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pvs --noheadings -o name,pv_allocatable "$dev1" "$dev2" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$PV" main
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grep "$DUP" main
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grep "$dev1" main
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grep "$dev2" main
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test "$(grep -c allocatable main)" -eq 1
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pvs --noheadings -o name,pv_duplicate "$dev1" "$dev2" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$PV" main
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grep "$DUP" main
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grep "$dev1" main
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grep "$dev2" main
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test "$(grep -c duplicate main)" -eq 1
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#
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# A filter can be used to show only one.
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#
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pvs --config "devices { filter=[ \"a|$dev2|\", \"r|.*|\" ] }" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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not grep "$dev1" main
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grep "$dev2" main
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not grep "Not using device" warn
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not grep "prefers device" warn
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pvs --config "devices { filter=[ \"a|$dev1|\", \"r|.*|\"] }" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev1" main
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not grep "$dev2" main
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not grep "Not using device" warn
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not grep "prefers device" warn
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# PV size and minor is still reported correctly for each.
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check pv_field "$dev1" dev_size "$SIZE1"
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check pv_field "$dev2" dev_size "$SIZE2"
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check pv_field "$dev1" minor "$MINOR1"
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check pv_field "$dev2" minor "$MINOR2"
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# With allow_changes_with_duplicate_pvs=0, a VG with duplicate devs
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# cannot be modified or activated.
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not lvcreate -an -l1 -n $lv2 $vg1
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not lvremove $vg1/$lv1
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not lvchange -ay $vg1/$lv1
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not vgremove $vg1
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# With allow_changes_with_duplicate_pvs=1, changes above are permitted.
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aux lvmconf 'devices/allow_changes_with_duplicate_pvs = 1'
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lvcreate -an -l1 -n $lv2 $vg1
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lvremove $vg1/$lv1
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lvchange -ay $vg1/$lv2
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lvchange -an $vg1/$lv2
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lvremove $vg1/$lv2
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vgremove -f $vg1
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pvremove -ff -y "$dev1"
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pvremove -ff -y "$dev2"
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# dev3 and dev4 are copies, orphans
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pvcreate "$dev3"
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pvcreate "$dev4"
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pvresize --setphysicalvolumesize 8m -y "$dev4"
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UUID3=$(get pv_field "$dev3" uuid)
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UUID4=$(get pv_field "$dev4" uuid)
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SIZE3=$(get pv_field "$dev3" dev_size)
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SIZE4=$(get pv_field "$dev4" dev_size)
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check pv_field "$dev3" dev_size "$SIZE3"
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check pv_field "$dev4" dev_size "$SIZE4"
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pvs 2>&1 | tee out
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grep "$dev3" out
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grep "$dev4" out
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dd if="$dev3" of="$dev4" bs=1M iflag=direct oflag=direct,sync
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#pvscan --cache
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# One appears with 'pvs'
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pvs -o+uuid 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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test "$(grep -c "$UUID3" main)" -eq 1
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not grep "$UUID4" main
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grep "Not using device" warn
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grep "prefers device" warn
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# Both appear with 'pvs -a'
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pvs -a -o+uuid 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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test "$(grep -c "$UUID3" main)" -eq 2
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grep "$dev3" main
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grep "$dev4" main
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grep $UUID3 main
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not grep $UUID4 main
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grep "Not using device" warn
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grep "prefers device" warn
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# Show each dev individually and both together
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pvs -o+uuid "$dev3" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev3" main
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not grep "$dev4" main
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grep "Not using device" warn
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grep "prefers device" warn
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pvs -o+uuid "$dev4" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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not grep "$dev3" main
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grep "$dev4" main
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grep "Not using device" warn
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grep "prefers device" warn
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pvs -o+uuid "$dev3" "$dev4" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev3" main
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grep "$dev4" main
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grep "Not using device" warn
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grep "prefers device" warn
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# Same sizes shown.
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check pv_field "$dev3" dev_size "$SIZE3"
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check pv_field "$dev4" dev_size "$SIZE4"
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# Verify that devs being used by an active LV are
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# preferred over duplicates that are not used by an LV.
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dd if=/dev/zero of="$dev3" bs=1M oflag=direct,sync || true
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dd if=/dev/zero of="$dev4" bs=1M oflag=direct,sync || true
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#pvscan --cache
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# The previous steps prevent us from nicely cleaning up
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# the vg lockspace in lvmlockd, so just restart it;
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# what follows could also just be split into a separate test.
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if test -n "$LVM_TEST_LVMLOCKD_TEST" ; then
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killall -9 lvmlockd
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sleep 2
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aux prepare_lvmlockd
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fi
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vgcreate $SHARED "$vg2" "$dev3" "$dev4"
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lvcreate -l1 -n $lv1 $vg2 "$dev3"
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lvcreate -l1 -n $lv2 $vg2 "$dev4"
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dd if="$dev3" of="$dev5" bs=1M iflag=direct oflag=direct,sync
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dd if="$dev4" of="$dev6" bs=1M iflag=direct oflag=direct,sync
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# dev5/dev6 not pvs so dd'ing pv onto them causes invalid hints
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# that won't be detected, so 5/6 won't be scanned unless we
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# force hint recreation
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pvscan --cache
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pvs -o+uuid,duplicate 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev3" main
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grep "$dev4" main
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not grep duplicate main
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check pv_field "$dev3" pv_duplicate ""
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check pv_field "$dev4" pv_duplicate ""
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check pv_field "$dev5" pv_duplicate "duplicate"
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check pv_field "$dev6" pv_duplicate "duplicate"
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grep "prefers device $dev3" warn
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grep "prefers device $dev4" warn
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not grep "prefers device $dev5" warn
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not grep "prefers device $dev6" warn
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pvs -a -o+uuid,duplicate 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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test "$(grep -c duplicate main)" -eq 2
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grep "$dev3" main
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grep "$dev4" main
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grep "$dev5" main
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grep "$dev6" main
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grep "prefers device $dev3" warn
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grep "prefers device $dev4" warn
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not grep "prefers device $dev5" warn
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not grep "prefers device $dev6" warn
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pvs -o+uuid,duplicate "$dev3" "$dev4" "$dev5" "$dev6" 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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test "$(grep -c duplicate main)" -eq 2
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grep "$dev3" main
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grep "$dev4" main
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grep "$dev5" main
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grep "$dev6" main
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grep "prefers device $dev3" warn
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grep "prefers device $dev4" warn
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not grep "prefers device $dev5" warn
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not grep "prefers device $dev6" warn
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dd if=/dev/zero of="$dev5" bs=1M oflag=direct,sync || true
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dd if=/dev/zero of="$dev6" bs=1M oflag=direct,sync || true
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#pvscan --cache
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lvremove -y $vg2/$lv1
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lvremove -y $vg2/$lv2
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vgremove $vg2
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pvremove -ff -y "$dev3"
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pvremove -ff -y "$dev4"
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dd if=/dev/zero of="$dev3" bs=1M oflag=direct,sync || true
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dd if=/dev/zero of="$dev4" bs=1M oflag=direct,sync || true
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#pvscan --cache
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# Reverse devs in the previous in case dev3/dev4 would be
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# preferred even without an active LV using them.
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vgcreate $SHARED $vg2 "$dev5" "$dev6"
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lvcreate -l1 -n $lv1 $vg2 "$dev5"
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lvcreate -l1 -n $lv2 $vg2 "$dev6"
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dd if="$dev5" of="$dev3" bs=1M iflag=direct oflag=direct,sync
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dd if="$dev6" of="$dev4" bs=1M iflag=direct oflag=direct,sync
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# dev3/dev4 are not pvs (zeroed above) so dd'ing pv onto them causes
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# invalid hints that won't be detected, so 3/4 won't be scanned
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# unless we force hint recreation
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pvscan --cache
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pvs -o+uuid,duplicate 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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grep "$dev5" main
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grep "$dev6" main
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not grep duplicate main
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check pv_field "$dev5" pv_duplicate ""
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check pv_field "$dev6" pv_duplicate ""
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check pv_field "$dev3" pv_duplicate "duplicate"
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check pv_field "$dev4" pv_duplicate "duplicate"
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pvs -a -o+uuid,duplicate 2>&1 | tee out
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rm warn main || true
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grep WARNING out > warn || true
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grep -v WARNING out > main || true
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test "$(grep -c duplicate main)" -eq 2
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grep "$dev3" main
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grep "$dev4" main
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grep "$dev5" main
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grep "$dev6" main
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grep "prefers device $dev5" warn
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grep "prefers device $dev6" warn
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not grep "prefers device $dev3" warn
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not grep "prefers device $dev4" warn
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dd if=/dev/zero of="$dev3" bs=1M oflag=direct,sync || true
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dd if=/dev/zero of="$dev4" bs=1M oflag=direct,sync || true
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#pvscan --cache
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lvremove -y $vg2/$lv1
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lvremove -y $vg2/$lv2
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vgremove $vg2
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