tests/qemu-iotests/005

   1 #!/bin/bash
   2 #
   3 # Make sure qemu-img can create 5TB images
   4 #
   5 # Based on a testcase from Chris Wright,
   6 # https://bugzilla.redhat.com/show_bug.cgi?id=491943
   7 #
   8 # Copyright (C) 2009 Red Hat, Inc.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 #
  23
  24 # creator
  25 owner=hch@lst.de
  26
  27 seq=`basename $0`
  28 echo "QA output created by $seq"
  29
  30 here=`pwd`
  31 status=1        # failure is the default!
  32
  33 _cleanup()
  34 {
  35         _cleanup_test_img
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42
  43 _supported_fmt generic
  44 _supported_proto generic
  45 _supported_os Linux
  46 _unsupported_imgopts "subformat=twoGbMaxExtentFlat" \
  47                      "subformat=twoGbMaxExtentSparse"
  48
  49 # vpc is limited to 127GB, so we can't test it here
  50 if [ "$IMGFMT" = "vpc" ]; then
  51     _notrun "image format $IMGFMT does not support large image sizes"
  52 fi
  53
  54 # sheepdog image is limited to 4TB, so we can't test it here
  55 if [ "$IMGPROTO" = "sheepdog" ]; then
  56     _notrun "image protocol $IMGPROTO does not support large image sizes"
  57 fi
  58
  59 echo
  60 echo "creating large image"
  61 _make_test_img 5000G
  62
  63 echo
  64 echo "small read"
  65 $QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io
  66
  67 echo
  68 echo "small write"
  69 $QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io
  70
  71 # success, all done
  72 echo "*** done"
  73 rm -f $seq.full
  74 status=0