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4b6e3b5e5e
Introduce a new parameter called "approx_alloc" that is set when the desired size of a new LV is specified in percentage terms. If set, the allocation code tries to get as much space as it can but does not fail if can at least get some. One of the practical implications is that users can now specify 100%FREE when creating RAID LVs, like this: ~> lvcreate --type raid5 -i 2 -l 100%FREE -n lv vg
60 lines
1.7 KiB
Bash
60 lines
1.7 KiB
Bash
#!/bin/sh
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# Copyright (C) 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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########################################################
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# MAIN
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########################################################
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aux target_at_least dm-raid 1 3 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 RAID10:
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#
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# Should not allow more than 2-way mirror
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not lvcreate --type raid10 -m 2 -i 2 -l 2 -n $lv1 $vg
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# 2-way mirror, 2-stripes
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lvcreate --type raid10 -m 1 -i 2 -l 2 -n $lv1 $vg
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aux wait_for_sync $vg $lv1
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lvremove -ff $vg/$lv1
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# 2-way mirror, 2-stripes - Set min/max recovery rate
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lvcreate --type raid10 -m 1 -i 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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# 2-way mirror, 3-stripes
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lvcreate --type raid10 -m 1 -i 3 -l 3 -n $lv2 $vg
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aux wait_for_sync $vg $lv2
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lvremove -ff $vg
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# Test 100%FREE option
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# 37 extents / device
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# 1 image = 36 extents (1 for meta)
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# 3 images = 108 extents = 54.00m
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lvcreate --type raid10 -i 3 -l 100%FREE -n raid10 $vg
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check lv_field $vg/raid10 size "54.00m"
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lvremove -ff $vg
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#
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# FIXME: Add tests that specify particular PVs to use for creation
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#
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