#!/usr/bin/env bash # # Make sure qemu-img can create 5TB images # # Based on a testcase from Chris Wright, # https://bugzilla.redhat.com/show_bug.cgi?id=491943 # # Copyright (C) 2009 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner=hch@lst.de seq=`basename $0` echo "QA output created by $seq" status=1 # failure is the default! _cleanup() { _cleanup_test_img } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter _supported_fmt generic _supported_proto generic _supported_os Linux _unsupported_imgopts "subformat=twoGbMaxExtentFlat" \ "subformat=twoGbMaxExtentSparse" \ "subformat=streamOptimized" # vpc is limited to 127GB, so we can't test it here if [ "$IMGFMT" = "vpc" ]; then _notrun "image format $IMGFMT does not support large image sizes" fi # sheepdog image is limited to 4TB, so we can't test it here if [ "$IMGPROTO" = "sheepdog" ]; then _notrun "image protocol $IMGPROTO does not support large image sizes" fi # Sanity check: For raw, we require a file system that permits the creation # of a HUGE (but very sparse) file. Check we can create it before continuing. if [ "$IMGFMT" = "raw" ]; then _require_large_file 5T fi echo echo "creating large image" _make_test_img 5000G echo echo "small read" $QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io echo echo "small write" $QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io # success, all done echo "*** done" rm -f $seq.full status=0