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 25owner=hch@lst.de 26 27seq=`basename $0` 28echo "QA output created by $seq" 29 30here=`pwd` 31tmp=/tmp/$$ 32status=1 # failure is the default! 33 34_cleanup() 35{ 36 _cleanup_test_img 37} 38trap "_cleanup; exit \$status" 0 1 2 3 15 39 40# get standard environment, filters and checks 41. ./common.rc 42. ./common.filter 43 44_supported_fmt generic 45_supported_proto generic 46_supported_os Linux 47_unsupported_imgopts "subformat=twoGbMaxExtentFlat" \ 48 "subformat=twoGbMaxExtentSparse" 49 50# vpc is limited to 127GB, so we can't test it here 51if [ "$IMGFMT" = "vpc" ]; then 52 _notrun "image format $IMGFMT does not support large image sizes" 53fi 54 55# sheepdog image is limited to 4TB, so we can't test it here 56if [ "$IMGPROTO" = "sheepdog" ]; then 57 _notrun "image protocol $IMGPROTO does not support large image sizes" 58fi 59 60echo 61echo "creating large image" 62_make_test_img 5000G 63 64echo 65echo "small read" 66$QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io 67 68echo 69echo "small write" 70$QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io 71 72# success, all done 73echo "*** done" 74rm -f $seq.full 75status=0 76