mirror of
git://sourceware.org/git/lvm2.git
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211 lines
6.7 KiB
Bash
211 lines
6.7 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2011-2016 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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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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lv_devices() {
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test "$3" -eq "$(get lv_devices "$1/$2" | wc -w)"
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}
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########################################################
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# MAIN
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########################################################
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aux have_raid 1 3 0 || skip
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RAID4=""
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aux have_raid4 && RAID4=raid4
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aux prepare_pvs 6 20 # 6 devices for RAID10 (2-mirror,3-stripe) test
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get_devs
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vgcreate $SHARED -s 512k "$vg" "${DEVICES[@]}"
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###########################################
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# Create, wait for sync, remove tests
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###########################################
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# Create RAID1 (implicit 2-way)
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lvcreate --type raid1 -l 2 -n $lv1 $vg
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aux wait_for_sync $vg $lv1
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lvremove -ff $vg
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# Create RAID1 (explicit 2-way)
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lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg
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aux wait_for_sync $vg $lv1
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lvremove -ff $vg
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# Create RAID1 (explicit 3-way)
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lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg
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aux wait_for_sync $vg $lv1
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lvremove -ff $vg
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# Create RAID1 (explicit 3-way) - Set min/max recovery rate
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lvcreate --type raid1 -m 2 -l 2 \
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--minrecoveryrate 50 --maxrecoveryrate 1M \
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-n $lv1 $vg
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check lv_field $vg/$lv1 raid_min_recovery_rate 50
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check lv_field $vg/$lv1 raid_max_recovery_rate 1024
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aux wait_for_sync $vg $lv1
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lvremove -ff $vg
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# Create RAID 4/5/6 (explicit 3-stripe + parity devs)
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for i in $RAID4 \
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raid5 raid5_ls raid5_la raid5_rs raid5_ra \
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raid6 raid6_zr raid6_nr raid6_nc; do
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lvcreate --type $i -l 3 -i 3 -n $lv1 $vg
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aux wait_for_sync $vg $lv1
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lvremove -ff $vg
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done
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# Create RAID 4/5/6 (explicit 3-stripe + parity devs) - Set min/max recovery
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for i in $RAID4 \
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raid5 raid5_ls raid5_la raid5_rs raid5_ra \
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raid6 raid6_zr raid6_nr raid6_nc; do
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lvcreate --type $i -l 3 -i 3 \
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--minrecoveryrate 50 --maxrecoveryrate 1M \
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-n $lv1 $vg
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check lv_field $vg/$lv1 raid_min_recovery_rate 50
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check lv_field $vg/$lv1 raid_max_recovery_rate 1024
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aux wait_for_sync $vg $lv1
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lvremove -ff $vg
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done
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# Create RAID using 100%FREE
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############################
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# 6 PVs with 19m in each PV.
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# 1 metadata LV = 1 extent = .5m
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# 1 image = 37+38+38 extents = 56.50m = lv_size
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lvcreate --type raid1 -m 1 -l 100%FREE -an -Zn -n raid1 $vg
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check lv_field $vg/raid1 size "56.50m"
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lvremove -ff $vg
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# 1 metadata LV = 1 extent
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# 1 image = 37 extents = 18.5m
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# 5 images = 185 extents = 92.5m = lv_size
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lvs -a $vg
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lvcreate --type raid5 -i 5 -l 100%FREE -an -Zn -n raid5 $vg
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check lv_field $vg/raid5 size "92.50m"
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lvremove -ff $vg
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# 1 image = 37+38 extents
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# 2 images = 150 extents = 75.00m = lv_size
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lvcreate --type raid5 -i 2 -l 100%FREE -an -Zn -n raid5 $vg
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check lv_field $vg/raid5 size "75.00m"
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lvremove -ff $vg
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# 1 image = 37 extents
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# 4 images = 148 extents = 74.00m = lv_size
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lvcreate --type raid6 -i 4 -l 100%FREE -an -Zn -n raid6 $vg
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check lv_field $vg/raid6 size "74.00m"
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lvremove -ff $vg
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###
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# For following tests eat 18 of 37 extents from dev1, leaving 19
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lvcreate -l 18 -an -Zn -n eat_space $vg "$dev1"
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EAT_SIZE=$(get lv_field $vg/eat_space size)
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# Using 100% free should take the rest of dev1 and equal from dev2
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# 1 meta takes 1 extent
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# 1 image = 19 extents = 9.50m = lv_size
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lvcreate --type raid1 -m 1 -l 100%FREE -an -Zn -n raid1 $vg "$dev1" "$dev2"
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check lv_field $vg/raid1 size "9.50m"
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# Ensure image size is the same as the RAID1 size
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check lv_field $vg/raid1 size "$(get lv_field $vg/raid1_rimage_0 size -a)"
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# Amount remaining in dev2 should equal the amount taken by 'lv' in dev1
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check pv_field "$dev2" pv_free "$EAT_SIZE"
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lvremove -ff $vg/raid1
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# Using 100% free should take the rest of dev1 and equal amount from the rest
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# 1 meta takes 1 extent
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# 1 image = 19 extents = 9.50m
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# 5 images = 95 extents = 47.50m = lv_size
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lvcreate --type raid5 -i 5 -l 100%FREE -an -Zn -n raid5 $vg
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check lv_field $vg/raid5 size "47.50m"
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# Amount remaining in dev6 should equal the amount taken by 'lv' in dev1
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check pv_field "$dev6" pv_free "$EAT_SIZE"
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lvremove -ff $vg/raid5
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# Using 100% free should take the rest of dev1, an equal amount
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# from 2 more devs, and all extents from 3 additional devs
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# 1 meta takes 1 extent
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# 1 image = 19+39 extents
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# 2 images = 114 extents = 57.00m = lv_size
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lvcreate --type raid5 -i 2 -l 100%FREE -an -Zn -n raid5 $vg
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check lv_field $vg/raid5 size "57.00m"
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lvremove -ff $vg/raid5
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# Let's do some stripe tests too
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# Using 100% free should take the rest of dev1 and an equal amount from rest
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# 1 image = 20 extents
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# 6 images = 120 extents = 60.00m = lv_size
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lvcreate -i 6 -l 100%FREE -an -Zn -n stripe $vg
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check lv_field $vg/stripe size "60.00m"
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lvremove -ff $vg/stripe
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# Using 100% free should take the rest of dev1, an equal amount from
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# one more dev, and all of the remaining 4
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# 1 image = 20+38+38 extents
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# 2 images = 192 extents = 96.00m = lv_size
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lvcreate -i 2 -l 100%FREE -an -Zn -n stripe $vg
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check lv_field $vg/stripe size "96.00m"
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lvremove -ff $vg
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# end of use of '$vg/eat_space'
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###
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# Create RAID (implicit stripe count based on PV count)
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#######################################################
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# Not enough drives
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not lvcreate --type raid1 -l1 $vg "$dev1"
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not lvcreate --type raid5 -l2 $vg "$dev1" "$dev2"
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not lvcreate --type raid6 -l3 $vg "$dev1" "$dev2" "$dev3" "$dev4"
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# Implicit count comes from #PVs given (always 2 for mirror though)
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lvcreate --type raid1 -l1 -an -Zn -n raid1 $vg "$dev1" "$dev2"
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lv_devices $vg raid1 2
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lvcreate --type raid5 -l2 -an -Zn -n raid5 $vg "$dev1" "$dev2" "$dev3"
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lv_devices $vg raid5 3
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lvcreate --type raid6 -l3 -an -Zn -n raid6 $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5"
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lv_devices $vg raid6 5
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lvremove -ff $vg
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# Implicit count comes from total #PVs in VG (always 2 for mirror though)
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# Defaults -i2 even though more PVs listed
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lvcreate --type raid1 -l1 -an -Zn -n raid1 $vg
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lv_devices $vg raid1 2
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lvcreate --type raid5 -l2 -an -Zn -n raid5 $vg
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lv_devices $vg raid5 3
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lvcreate --type raid6 -l3 -an -Zn -n raid6 $vg
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lv_devices $vg raid6 5
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lvremove -ff $vg
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########################################################
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# Try again with backward compatible old logic applied #
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########################################################
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aux lvmconf 'allocation/raid_stripe_all_devices = 1'
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# Implicit count comes from total #PVs in VG (always 2 for mirror though)
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lvcreate --type raid1 -l1 -an -Zn -n raid1 $vg
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lv_devices $vg raid1 2
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lvcreate --type raid5 -l2 -an -Zn -n raid5 $vg
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lv_devices $vg raid5 6
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lvcreate --type raid6 -l3 -an -Zn -n raid6 $vg
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lv_devices $vg raid6 6
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vgremove -ff $vg
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