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