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#!/bin/sh
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# Copyright (C) 2008 Red Hat, Inc. All rights reserved.
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#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# 'Check extents percentage arguments'
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. ./test-utils.sh
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aux prepare_vg 2 128
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lvcreate -L 64m -n $lv $vg
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# 'lvextend rejects both size and extents without PVs'
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not lvextend -l 10 -L 64m $vg /$lv 2>err
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grep "^ Please specify either size or extents but not both.\$" err
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# 'lvextend rejects both size and extents with PVs'
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not lvextend -l 10 -L 64m $vg /$lv $dev1 2>err
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grep "^ Please specify either size or extents but not both.\$" err
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# 'lvextend accepts no size or extents but one PV - bz154691'
lvextend $vg /$lv $dev1 >out
grep " ^ Logical volume $lv successfully resized\$ " out
check_pv_field_ $dev1 pv_free "0"
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lvremove -f $vg /$lv
# 'lvextend computes necessary free space correctly - bz213552'
vgsize = $( vgs -o vg_extent_count --noheadings)
lvcreate -l $vgsize -n $lv $vg
yes | lvreduce -l $(( $vgsize / 2 )) $vg /$lv
lvextend -l $vgsize $vg /$lv
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# 'Reset LV to original size'
lvremove -f $vg /$lv
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lvcreate -L 64m -n $lv $vg
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# 'lvextend accepts no size but extents 100%PVS and two PVs - bz154691'
lvextend -l +100%PVS $vg /$lv $dev1 $dev2 >out
grep " ^ Logical volume $lv successfully resized\$ " out
check_pv_field_ $dev1 pv_free "0"
check_pv_field_ $dev2 pv_free "0"
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# Exercise the range overlap code. Allocate every 2 extents.
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#
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# Physical Extents
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# 1 2
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#012345678901234567890123
#
#aaXXaaXXaaXXaaXXaaXXaaXX - (a)llocated
#rrrXXXrrrXXXrrrXXXrrrXXX - (r)ange on cmdline
#ooXXXXXXoXXXooXXXXXXoXXX - (o)verlap of range and allocated
#
# Key: a - allocated
# F - free
# r - part of a range on the cmdline
# N - not on cmdline
#
# Create the LV with 12 extents, allocated every other 2 extents.
# Then extend it, with a range of PVs on the cmdline of every other 3 extents.
# Total number of extents should be 12 + overlap = 12 + 6 = 18.
# Thus, total size for the LV should be 18 * 4M = 72M
#
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# 'Reset LV to 12 extents, allocate every other 2 extents'
create_pvs = ` for i in $( seq 0 4 20) ; do echo -n " \$dev1: $i - $(( $i + 1 )) " ; done `
lvremove -f $vg /$lv
lvcreate -l 12 -n $lv $vg $create_pvs
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check_lv_field_ $vg /$lv lv_size "48.00m"
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# 'lvextend with partially allocated PVs and extents 100%PVS with PE ranges'
extend_pvs = ` for i in $( seq 0 6 18) ; do echo -n " \$dev1: $i - $(( $i + 2 )) " ; done `
lvextend -l +100%PVS $vg /$lv $extend_pvs >out
grep " ^ Logical volume $lv successfully resized\$ " out
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check_lv_field_ $vg /$lv lv_size "72.00m"
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# Simple seg_count validation; initially create the LV with half the # of
# extents (should be 1 lv segment), extend it (should go to 2 segments),
# then reduce (should be back to 1)
# FIXME: test other segment fields such as seg_size, pvseg_start, pvseg_size
lvremove -f $vg /$lv
pe_count = $( pvs -o pv_pe_count --noheadings $dev1 )
pe1 = $(( $pe_count / 2 ))
lvcreate -l $pe1 -n $lv $vg
pesize = $( lvs -ovg_extent_size --units b --nosuffix --noheadings $vg /$lv )
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segsize = $(( $pe1 * $pesize / 1024 / 1024 )) m
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check_lv_field_ $vg /$lv seg_count 1
check_lv_field_ $vg /$lv seg_start 0
check_lv_field_ $vg /$lv seg_start_pe 0
#check_lv_field_ $vg/$lv seg_size $segsize
lvextend -l +$(( $pe_count * 1 )) $vg /$lv
check_lv_field_ $vg /$lv seg_count 2
lvreduce -f -l -$(( $pe_count * 1 )) $vg /$lv
check_lv_field_ $vg /$lv seg_count 1