tests/qemu-iotests/005

   1 #!/usr/bin/env 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 $seq"
  29
  30 status=1        # failure is the default!
  31
  32 _cleanup()
  33 {
  34         _cleanup_test_img
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41
  42 _supported_fmt generic
  43 _supported_proto generic
  44 _supported_os Linux
  45 _unsupported_imgopts "subformat=twoGbMaxExtentFlat" \
  46                      "subformat=twoGbMaxExtentSparse"
  47
  48 # vpc is limited to 127GB, so we can't test it here
  49 if [ "$IMGFMT" = "vpc" ]; then
  50     _notrun "image format $IMGFMT does not support large image sizes"
  51 fi
  52
  53 # sheepdog image is limited to 4TB, so we can't test it here
  54 if [ "$IMGPROTO" = "sheepdog" ]; then
  55     _notrun "image protocol $IMGPROTO does not support large image sizes"
  56 fi
  57
  58 echo
  59 echo "creating large image"
  60 _make_test_img 5000G
  61
  62 echo
  63 echo "small read"
  64 $QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io
  65
  66 echo
  67 echo "small write"
  68 $QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io
  69
  70 # success, all done
  71 echo "*** done"
  72 rm -f $seq.full
  73 status=0