| 1 | # $Id: tstVDCopy.vd 38204 2011-07-27 16:14:59Z vboxsync $
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| 2 | #
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| 3 | # Storage: Testcase for VDCopy with snapshots and optimizations.
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| 4 | #
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| 5 |
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| 6 | #
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| 7 | # Copyright (C) 2011 Oracle Corporation
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| 8 | #
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| 9 | # This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | # available from http://www.virtualbox.org. This file is free software;
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| 11 | # you can redistribute it and/or modify it under the terms of the GNU
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| 12 | # General Public License (GPL) as published by the Free Software
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| 13 | # Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | #
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| 17 |
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| 18 | # Init I/O RNG for generating random data for writes
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| 19 | iorngcreate size=10M mode=manual seed=1234567890
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| 20 |
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| 21 | # Create source disk and fill data
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| 22 | print msg=Creating_Source_Disk
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| 23 | createdisk name=source verify=no
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| 24 | create disk=source mode=base name=source_base.vdi type=dynamic backend=VDI size=512M
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| 25 | io disk=source async=no mode=rnd blocksize=64k off=0-512M size=256M writes=100
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| 26 |
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| 27 | # Create 1st snapshot
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| 28 | print msg=Creating_First_Diff
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| 29 | create disk=source mode=diff name=source_diff1.vdi type=dynamic backend=VDI size=512M
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| 30 | io disk=source async=no mode=rnd blocksize=64k off=0M-512M size=256M writes=50
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| 31 |
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| 32 | # Create 2nd snapshot
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| 33 | print msg=Creating_Second_Diff
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| 34 | create disk=source mode=diff name=source_diff2.vdi type=dynamic backend=VDI size=512M
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| 35 | io disk=source async=no mode=rnd blocksize=64k off=0M-512M size=128M writes=25
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| 36 |
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| 37 | # Create destination disk
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| 38 | print msg=Creating_Destination_Disk
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| 39 | createdisk name=dest verify=no
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| 40 |
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| 41 | # Copy base image
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| 42 | print msg=Copying_Base_Image
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| 43 | copy diskfrom=source diskto=dest imagefrom=0 backend=VDI filename=dest_base.vdi
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| 44 |
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| 45 | print msg=Copying_First_Diff_optimized
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| 46 | copy diskfrom=source diskto=dest imagefrom=1 backend=VDI filename=dest_diff1.vdi fromsame=0 tosame=0
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| 47 |
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| 48 | print msg=Copying_Second_Diff_optimized
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| 49 | copy diskfrom=source diskto=dest imagefrom=2 backend=VDI filename=dest_diff2.vdi fromsame=1 tosame=1
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| 50 |
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| 51 | print msg=Comparing_Disks
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| 52 | comparedisks disk1=source disk2=dest
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| 53 |
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| 54 | # Cleanup
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| 55 | print msg=Cleaning_up
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| 56 | close disk=dest mode=single delete=yes
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| 57 | close disk=dest mode=single delete=yes
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| 58 | close disk=dest mode=single delete=yes
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| 59 |
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| 60 | # Test unoptimized copying now.
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| 61 | print msg=Copy_Source_into_base_image
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| 62 | copy diskfrom=source diskto=dest imagefrom=2 backend=VDI filename=dest_base.vdi
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| 63 | print msg=Comparing_Disks
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| 64 | comparedisks disk1=source disk2=dest
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| 65 |
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| 66 | print msg=Final_Cleanup
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| 67 | close disk=source mode=single delete=yes
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| 68 | close disk=source mode=single delete=yes
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| 69 | close disk=source mode=single delete=yes
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| 70 | close disk=dest mode=single delete=yes
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| 71 | destroydisk name=source
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| 72 | destroydisk name=dest
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| 73 |
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| 74 | iorngdestroy
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| 75 |
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