1#!/bin/sh
2# Copyright (C) 2008 Red Hat, Inc. All rights reserved.
3#
4# This copyrighted material is made available to anyone wishing to use,
5# modify, copy, or redistribute it subject to the terms and conditions
6# of the GNU General Public License v.2.
7#
8# You should have received a copy of the GNU General Public License
9# along with this program; if not, write to the Free Software Foundation,
10# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
11
12# 'Check extents percentage arguments'
13
14. ./test-utils.sh
15
16aux prepare_vg 2 128
17
18lvcreate -L 64m -n $lv $vg
19
20# 'lvextend rejects both size and extents without PVs'
21not lvextend -l 10 -L 64m $vg/$lv 2>err
22grep "^  Please specify either size or extents but not both.\$" err
23
24# 'lvextend rejects both size and extents with PVs'
25not lvextend -l 10 -L 64m $vg/$lv $dev1 2>err
26grep "^  Please specify either size or extents but not both.\$" err
27
28# 'lvextend accepts no size or extents but one PV - bz154691'
29lvextend $vg/$lv $dev1 >out
30grep "^  Logical volume $lv successfully resized\$" out
31check_pv_field_ $dev1 pv_free "0"
32
33lvremove -f $vg/$lv
34
35# 'lvextend computes necessary free space correctly - bz213552'
36vgsize=$(vgs -o vg_extent_count --noheadings)
37lvcreate -l $vgsize  -n $lv $vg
38yes | lvreduce -l $(( $vgsize / 2 )) $vg/$lv
39lvextend -l $vgsize $vg/$lv
40
41# 'Reset LV to original size'
42lvremove -f $vg/$lv
43lvcreate -L 64m -n $lv $vg
44
45# 'lvextend accepts no size but extents 100%PVS and two PVs - bz154691'
46lvextend -l +100%PVS $vg/$lv $dev1 $dev2 >out
47grep "^  Logical volume $lv successfully resized\$" out
48check_pv_field_ $dev1 pv_free "0"
49check_pv_field_ $dev2 pv_free "0"
50
51# Exercise the range overlap code.  Allocate every 2 extents.
52#
53#      Physical Extents
54#          1         2
55#012345678901234567890123
56#
57#aaXXaaXXaaXXaaXXaaXXaaXX - (a)llocated
58#rrrXXXrrrXXXrrrXXXrrrXXX - (r)ange on cmdline
59#ooXXXXXXoXXXooXXXXXXoXXX - (o)verlap of range and allocated
60#
61# Key: a - allocated
62#      F - free
63#      r - part of a range on the cmdline
64#      N - not on cmdline
65#
66# Create the LV with 12 extents, allocated every other 2 extents.
67# Then extend it, with a range of PVs on the cmdline of every other 3 extents.
68# Total number of extents should be 12 + overlap = 12 + 6 = 18.
69# Thus, total size for the LV should be 18 * 4M = 72M
70#
71# 'Reset LV to 12 extents, allocate every other 2 extents'
72create_pvs=`for i in $(seq 0 4 20); do echo -n "\$dev1:$i-$(($i + 1)) "; done`
73lvremove -f $vg/$lv
74lvcreate -l 12 -n $lv $vg $create_pvs
75check_lv_field_ $vg/$lv lv_size "48.00m"
76
77# 'lvextend with partially allocated PVs and extents 100%PVS with PE ranges'
78extend_pvs=`for i in $(seq 0 6 18); do echo -n "\$dev1:$i-$(($i + 2)) "; done`
79lvextend -l +100%PVS $vg/$lv $extend_pvs >out
80grep "^  Logical volume $lv successfully resized\$" out
81check_lv_field_ $vg/$lv lv_size "72.00m"
82
83# Simple seg_count validation; initially create the LV with half the # of
84# extents (should be 1 lv segment), extend it (should go to 2 segments),
85# then reduce (should be back to 1)
86# FIXME: test other segment fields such as seg_size, pvseg_start, pvseg_size
87lvremove -f $vg/$lv
88pe_count=$(pvs -o pv_pe_count --noheadings $dev1)
89pe1=$(( $pe_count / 2 ))
90lvcreate -l $pe1 -n $lv $vg
91pesize=$(lvs -ovg_extent_size --units b --nosuffix --noheadings $vg/$lv)
92segsize=$(( $pe1 * $pesize / 1024 / 1024 ))m
93check_lv_field_ $vg/$lv seg_count 1
94check_lv_field_ $vg/$lv seg_start 0
95check_lv_field_ $vg/$lv seg_start_pe 0
96#check_lv_field_ $vg/$lv seg_size $segsize
97lvextend -l +$(( $pe_count * 1 )) $vg/$lv
98check_lv_field_ $vg/$lv seg_count 2
99lvreduce -f -l -$(( $pe_count * 1 )) $vg/$lv
100check_lv_field_ $vg/$lv seg_count 1
101
102