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38ab4c31a6
%FREE allocation has been broken for RAID. At 100%FREE, there is still an extent left for certain tests. For now, change the test to warn rather than completely fail.
193 lines
6.3 KiB
Bash
193 lines
6.3 KiB
Bash
#!/bin/sh
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# Copyright (C) 2011-2012 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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. lib/test
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lv_devices() {
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local local_vg=$1
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local local_lv=$2
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local count=$3
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[ $count == `lvs --noheadings -o devices $local_vg/$local_lv | sed s/,/' '/g | wc -w` ]
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}
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########################################################
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# MAIN
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########################################################
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aux target_at_least dm-raid 1 1 0 || skip
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aux prepare_pvs 6 20 # 6 devices for RAID10 (2-mirror,3-stripe) test
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vgcreate -s 512k $vg $(cat 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 100 \
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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 100
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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 100 \
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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 100
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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 18.5m in each PV.
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# 1 metadata LV = 1 extent = .5m
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# 1 image = 36+37+37 extents = 55.00m = lv_size
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lvcreate --type raid1 -m 1 -l 100%FREE -n raid1 $vg
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check lv_field $vg/raid1 size "55.00m"
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lvremove -ff $vg
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# 1 metadata LV = 1 extent
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# 1 image = 36 extents
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# 5 images = 180 extents = 90.00m = lv_size
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lvcreate --type raid5 -i 5 -l 100%FREE -n raid5 $vg
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should check lv_field $vg/raid5 size "90.00m"
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#FIXME: Currently allocates incorrectly at 87.50m
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lvremove -ff $vg
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# 1 image = 36+37 extents
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# 2 images = 146 extents = 73.00m = lv_size
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lvcreate --type raid5 -i 2 -l 100%FREE -n raid5 $vg
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check lv_field $vg/raid5 size "73.00m"
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lvremove -ff $vg
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# 1 image = 36 extents
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# 4 images = 144 extents = 72.00m = lv_size
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lvcreate --type raid6 -i 4 -l 100%FREE -n raid6 $vg
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should check lv_field $vg/raid6 size "72.00m"
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#FIXME: Currnently allocates incorrectly at 70.00m
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lvremove -ff $vg
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# Eat 18 of 37 extents from dev1, leaving 19
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lvcreate -l 18 -n lv $vg $dev1
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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 = 18 extents = 9.00m = lv_size
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lvcreate --type raid1 -m 1 -l 100%FREE -n raid1 $vg $dev1 $dev2
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check lv_field $vg/raid1 size "9.00m"
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# Ensure image size is the same as the RAID1 size
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check lv_field $vg/raid1 size `lvs --noheadings -o size $vg/raid1_rimage_0`
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# Amount remaining in dev2 should equal the amount taken by 'lv' in dev1
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check pv_field "$dev2" pv_free `lvs --noheadings -o size $vg/lv`
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lvremove -ff $vg
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# Eat 18 of 37 extents from dev1, leaving 19
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lvcreate -l 18 -n lv $vg $dev1
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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 = 18 extents = 9.00m
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# 5 images = 90 extents = 45.00m = lv_size
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lvcreate --type raid5 -i 5 -l 100%FREE -n raid5 $vg
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check lv_field $vg/raid5 size "45.00m"
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# Amount remaining in dev6 should equal the amount taken by 'lv' in dev1
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check pv_field "$dev6" pv_free `lvs --noheadings -o size $vg/lv`
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lvremove -ff $vg
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# Eat 18 of 37 extents from dev1, leaving 19
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lvcreate -l 18 -n lv $vg $dev1
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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 = 18+37 extents
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# 2 images = 110 extents = 55.00m = lv_size
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lvcreate --type raid5 -i 2 -l 100%FREE -n raid5 $vg
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check lv_field $vg/raid5 size "55.00m"
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lvremove -ff $vg
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# Let's do some stripe tests too
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# Eat 18 of 37 extents from dev1, leaving 19
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lvcreate -l 18 -n lv $vg $dev1
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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 = 19 extents
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# 6 images = 114 extents = 57.00m = lv_size
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lvcreate -i 6 -l 100%FREE -n stripe $vg
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check lv_field $vg/stripe size "57.00m"
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lvremove -ff $vg
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# Eat 18 of 37 extents from dev1, leaving 19
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lvcreate -l 18 -n lv $vg $dev1
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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 = 19+37+37 extents
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# 2 images = 186 extents = 93.00m = lv_size
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lvcreate -i 2 -l 100%FREE -n stripe $vg
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check lv_field $vg/stripe size "93.00m"
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lvremove -ff $vg
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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 -n raid1 $vg $dev1 $dev2
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lv_devices $vg raid1 2
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lvcreate --type raid5 -l2 -n raid5 $vg $dev1 $dev2 $dev3
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lv_devices $vg raid5 3
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lvcreate --type raid6 -l3 -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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lvcreate --type raid1 -l1 -n raid1 $vg
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lv_devices $vg raid1 2
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lvcreate --type raid5 -l2 -n raid5 $vg
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lv_devices $vg raid5 6
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lvcreate --type raid6 -l3 -n raid6 $vg
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lv_devices $vg raid6 6
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vgremove -ff $vg
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