/* $Id: tstVDMultBackends.vd 98103 2023-01-17 14:15:46Z vboxsync $ */ /** * Storage: Simple I/O test with different backends in one chain. */ /* * Copyright (C) 2011-2023 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * 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, in version 3 of the * License. * * 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 . * * SPDX-License-Identifier: GPL-3.0-only */ void tstIo(string strMessage, string strBackend) { print(strMessage); createdisk("test", true /* fVerify */); create("test", "base", "tst.disk", "dynamic", strBackend, 2G, false /* fIgnoreFlush */, false); io("test", true, 32, "seq", 64K, 0, 2G, 200M, 100, "none"); io("test", false, 1, "seq", 64K, 0, 2G, 200M, 100, "none"); io("test", true, 32, "seq", 64K, 0, 2G, 200M, 0, "none"); io("test", false, 1, "seq", 64K, 0, 2G, 200M, 0, "none"); create("test", "diff", "tst2.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none"); io("test", false, 1, "rnd", 64K, 0, 2G, 200M, 50, "none"); create("test", "diff", "tst3.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none"); io("test", false, 1, "rnd", 64K, 0, 2G, 200M, 50, "none"); create("test", "diff", "tst4.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none"); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 0, "none"); create("test", "diff", "tst5.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none"); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 0, "none"); create("test", "diff", "tst6.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none"); io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 0, "none"); close("test", "single", true /* fDelete */); close("test", "single", true /* fDelete */); close("test", "single", true /* fDelete */); destroydisk("test"); } void main() { /* Init I/O RNG for generating random data for writes */ iorngcreate(10M, "manual", 1234567890); tstIo("Testing VDI", "VDI"); iorngdestroy(); }