# $Id$

#

# Storage: Testcase for VDCopy with snapshots and optimizations.

#

#

# Copyright (C) 2011 Oracle Corporation

#

# This file is part of VirtualBox Open Source Edition (OSE), as

# available from http://www.virtualbox.org. This file is free software;

# you can redistribute it and/or modify it under the terms of the GNU

# General Public License (GPL) as published by the Free Software

# Foundation, in version 2 as it comes in the "COPYING" file of the

# VirtualBox OSE distribution. VirtualBox OSE is distributed in the

# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.

#

# Init I/O RNG for generating random data for writes

iorngcreate size=10M mode=manual seed=1234567890

# Create source disk and fill data

print msg=Creating_Source_Disk

createdisk name=source verify=no

create disk=source mode=base name=source_base.vdi type=dynamic backend=VDI size=512M

io disk=source async=no mode=rnd blocksize=64k off=0-512M size=256M writes=100

# Create 1st snapshot

print msg=Creating_First_Diff

create disk=source mode=diff name=source_diff1.vdi type=dynamic backend=VDI size=512M

io disk=source async=no mode=rnd blocksize=64k off=0M-512M size=256M writes=50

# Create 2nd snapshot

print msg=Creating_Second_Diff

create disk=source mode=diff name=source_diff2.vdi type=dynamic backend=VDI size=512M

io disk=source async=no mode=rnd blocksize=64k off=0M-512M size=128M writes=25

# Create destination disk

print msg=Creating_Destination_Disk

createdisk name=dest verify=no

# Copy base image

print msg=Copying_Base_Image

copy diskfrom=source diskto=dest imagefrom=0 backend=VDI filename=dest_base.vdi

print msg=Copying_First_Diff_optimized

copy diskfrom=source diskto=dest imagefrom=1 backend=VDI filename=dest_diff1.vdi fromsame=0 tosame=0

print msg=Copying_Second_Diff_optimized

copy diskfrom=source diskto=dest imagefrom=2 backend=VDI filename=dest_diff2.vdi fromsame=1 tosame=1

print msg=Comparing_Disks

comparedisks disk1=source disk2=dest

# Cleanup

print msg=Cleaning_up

close disk=dest mode=single delete=yes

close disk=dest mode=single delete=yes

close disk=dest mode=single delete=yes

# Test unoptimized copying now.

print msg=Copy_Source_into_base_image

copy diskfrom=source diskto=dest imagefrom=2 backend=VDI filename=dest_base.vdi

print msg=Comparing_Disks

comparedisks disk1=source disk2=dest

print msg=Final_Cleanup

close disk=source mode=single delete=yes

close disk=source mode=single delete=yes

close disk=source mode=single delete=yes

close disk=dest mode=single delete=yes

destroydisk name=source

destroydisk name=dest

iorngdestroy