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 26owner=hch@lst.de 27 28seq=`basename $0` 29echo "QA output created by $seq" 30 31status=1 # failure is the default! 32 33_cleanup() 34{ 35 _cleanup_test_img 36} 37trap "_cleanup; exit \$status" 0 1 2 3 15 38 39# get standard environment, filters and checks 40. ./common.rc 41. ./common.filter 42 43_supported_fmt generic 44_supported_proto generic 45_supported_os Linux 46_unsupported_imgopts "subformat=twoGbMaxExtentFlat" \ 47 "subformat=twoGbMaxExtentSparse" \ 48 "subformat=streamOptimized" 49 50# vpc is limited to 127GB, so we can't test it here 51if [ "$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 $IMGPROTO does not support large image sizes" 58fi 59 60# Sanity check: For raw, we require a file system that permits the creation 61# of a HUGE (but very sparse) file. Check we can create it before continuing. 62if [ "$IMGFMT" = "raw" ]; then 63 _require_large_file 5T 64fi 65 66echo 67echo "creating large image" 68_make_test_img 5000G 69 70echo 71echo "small read" 72$QEMU_IO -c "read 1024 4096" "$TEST_IMG" | _filter_qemu_io 73 74echo 75echo "small write" 76$QEMU_IO -c "write 8192 4096" "$TEST_IMG" | _filter_qemu_io 77 78# success, all done 79echo "*** done" 80rm -f $seq.full 81status=0 82