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t-lvextend-percent-extents.sh revision 1.1.1.2 
      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 
     16 aux prepare_vg 2 128
     17 
     18 lvcreate -L 64M -n $lv $vg
     19 
     20 # 'lvextend rejects both size and extents without PVs'
     21 not lvextend -l 10 -L 64M $vg/$lv 2>err
     22 grep "^  Please specify either size or extents but not both.\$" err
     23 
     24 # 'lvextend rejects both size and extents with PVs'
     25 not lvextend -l 10 -L 64M $vg/$lv $dev1 2>err
     26 grep "^  Please specify either size or extents but not both.\$" err
     27 
     28 # 'lvextend accepts no size or extents but one PV - bz154691'
     29 lvextend $vg/$lv $dev1 >out
     30 grep "^  Logical volume $lv successfully resized\$" out
     31 check_pv_field_ $dev1 pv_free "0"
     32 
     33 lvremove -f $vg/$lv 
     34 
     35 # 'lvextend computes necessary free space correctly - bz213552'
     36 vgsize=$(vgs -o vg_extent_count --noheadings)
     37 lvcreate -l $vgsize  -n $lv $vg
     38 yes | lvreduce -l $(( $vgsize / 2 )) $vg/$lv
     39 lvextend -l $vgsize $vg/$lv
     40 
     41 # 'Reset LV to original size' 
     42 lvremove -f $vg/$lv 
     43 lvcreate -L 64M -n $lv $vg
     44 
     45 # 'lvextend accepts no size but extents 100%PVS and two PVs - bz154691'
     46 lvextend -l +100%PVS $vg/$lv $dev1 $dev2 >out
     47 grep "^  Logical volume $lv successfully resized\$" out 
     48 check_pv_field_ $dev1 pv_free "0" 
     49 check_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' 
     72 create_pvs=`for i in $(seq 0 4 20); do echo -n "\$dev1:$i-$(($i + 1)) "; done` 
     73 lvremove -f $vg/$lv
     74 lvcreate -l 12 -n $lv $vg $create_pvs
     75 check_lv_field_ $vg/$lv lv_size "48.00M"
     76 
     77 # 'lvextend with partially allocated PVs and extents 100%PVS with PE ranges' 
     78 extend_pvs=`for i in $(seq 0 6 18); do echo -n "\$dev1:$i-$(($i + 2)) "; done` 
     79 lvextend -l +100%PVS $vg/$lv $extend_pvs >out
     80 grep "^  Logical volume $lv successfully resized\$" out 
     81 check_lv_field_ $vg/$lv lv_size "72.00M"
     82 
     83