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diff --git a/qemu/tests/qemu-iotests/005 b/qemu/tests/qemu-iotests/005
new file mode 100755
index 000000000..ba1236dfb
--- /dev/null
+++ b/qemu/tests/qemu-iotests/005
@@ -0,0 +1,75 @@
+#!/bin/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"
+
+here=`pwd`
+tmp=/tmp/$$
+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"
+
+# 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 $IMGPROTO does not support large image sizes"
+fi
+
+echo
+echo "creating large image"
+_make_test_img 5000G
+
+echo
+echo "small read"
+$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