external/gpl2/lvm2/dist/test/t-mirror-lvconvert-usage.sh

   1 # Copyright (C) 2008 Red Hat, Inc. All rights reserved.
   2 #
   3 # This copyrighted material is made available to anyone wishing to use,
   4 # modify, copy, or redistribute it subject to the terms and conditions
   5 # of the GNU General Public License v.2.
   6 #
   7 # You should have received a copy of the GNU General Public License
   8 # along with this program; if not, write to the Free Software Foundation,
   9 # Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  10
  11 . ./test-utils.sh
  12
  13 dmsetup_has_dm_devdir_support_ || exit 200
  14
  15 aux prepare_vg 5
  16
  17
  18 lv_is_on_() {
  19         local lv=$1 #allready vg/lv
  20         shift 1
  21         lvs -a -odevices --noheadings $lv | sed 's/,/\n/g' > out
  22         #is on all specified devs
  23         for d in $*; do grep "$d(" out; done
  24         #isn't on any other dev (we are set -e remember)
  25         for d in $*; do ! grep -v "$d(" out; done
  26         return 0
  27 }
  28
  29 mimages_are_on_ ()
  30 {
  31         local lv=$1
  32         shift
  33         local pvs="$*"
  34         local mimages
  35         local i
  36
  37         echo "Check if mirror images of $lv are on PVs $pvs"
  38         rm -f out1 out2
  39         echo $pvs | sed 's/ /\n/g' | sort | uniq > out1
  40
  41         mimages=$(lvs --noheadings -a -o lv_name $vg | grep "${lv}_mimage_" | \
  42                 sed 's/\[//g; s/\]//g')
  43         for i in $mimages; do
  44                 echo "Checking $vg/$i"
  45                 lvs -a -odevices --noheadings $vg/$i | \
  46                         sed 's/([^)]*)//g; s/ //g; s/,/ /g' | sort | uniq >> out2
  47         done
  48
  49         diff --ignore-blank-lines out1 out2
  50 }
  51
  52 # ---------------------------------------------------------------------
  53 # Common environment setup/cleanup for each sub testcases
  54
  55 prepare_lvs_()
  56 {
  57         lvremove -ff $vg
  58         if dmsetup table|grep $vg; then
  59                 echo "ERROR: lvremove did leave some some mappings in DM behind!"
  60                 return 1
  61         fi
  62         :
  63 }
  64
  65 check_and_cleanup_lvs_()
  66 {
  67         lvs -a -o+devices $vg
  68         lvremove -ff $vg
  69         if dmsetup table|grep $vg; then
  70                 echo "ERROR: lvremove did leave some some mappings in DM behind!"
  71                 return 1
  72         fi
  73 }
  74
  75 prepare_lvs_
  76 check_and_cleanup_lvs_
  77
  78
  79 #COMM "convert from 2-way mirror to linear -- specify leg to remove (bz453643)"
  80 prepare_lvs_
  81 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
  82 lvconvert -m0 $vg/$lv1 $dev2
  83 lv_is_on_ $vg/$lv1 $dev1
  84 check_and_cleanup_lvs_
  85
  86 prepare_lvs_
  87 lvcreate -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev4 $dev3:0-1
  88 lvconvert -m-1 $vg/$lv1 $dev1
  89 lvs -a -o+devices
  90 mimages_are_on_ $lv1 $dev2 $dev4
  91 lvconvert -m-1 $vg/$lv1 $dev2
  92 lvs -a -o+devices
  93 lv_is_on_ $vg/$lv1 $dev4
  94 check_and_cleanup_lvs_
  95