tests/qemu-iotests/005

   1 #!/usr/bin/env bash
   2 # group: img auto quick
   3 #
   4 # Make sure qemu-img can create 5TB images
   5 #
   6 # Based on a testcase from Chris Wright,
   7 # https://bugzilla.redhat.com/show_bug.cgi?id=491943
   8 #
   9 # Copyright (C) 2009 Red Hat, Inc.
  10 #
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 2 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # This program is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 #
  24
  25 # creator
  26 owner=hch@lst.de
  27
  28 seq=`basename $0`
  29 echo "QA output created by $seq"
  30
  31 status=1        # failure is the default!
  32
  33 _cleanup()
  34 {
  35         _cleanup_test_img
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42
  43 _supported_fmt generic
  44 _supported_proto generic
  45 _supported_os Linux
  46 _unsupported_imgopts "subformat=twoGbMaxExtentFlat" \
  47                      "subformat=twoGbMaxExtentSparse" \
  48                      "subformat=streamOptimized"
  49
  50 # vpc is limited to 127GB, so we can't test it here
  51 if [ "$IMGFMT" = "vpc" ]; then
  52     _notrun "image format $IMGFMT does not support large image sizes"
  53 fi
  54
  55 # sheepdog image is limited to 4TB, so we can't test it here
  56 if [ "$IMGPROTO" = "sheepdog" ]; then
  57     _notrun "image protocol $IMGPROTO does not support large image sizes"
  58 fi
  59
  60 # Sanity check: For raw, we require a file system that permits the creation
  61 # of a HUGE (but very sparse) file. Check we can create it before continuing.
  62 if [ "$IMGFMT" = "raw" ]; then
  63     _require_large_file 5T
  64 fi
  65
  66 echo
  67 echo "creating large image"
  68 _make_test_img 5000G
  69
  70 echo
  71 echo "small read"
  72 $QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io
  73
  74 echo
  75 echo "small write"
  76 $QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io
  77
  78 # success, all done
  79 echo "*** done"
  80 rm -f $seq.full
  81 status=0