HYPER-V
BACKUP &
RECOVERY
"ON THE CHEAP"
John Kelbley
Senior Technical Product Manager
JohnKel@microsoft.com
860-678-3107
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
Introduction
John Kelbley
johnkel@Microsoft.com
 Senior Technical Product Manager
with Microsoft’s Platform Tech
Strategy Team
(Redmond-based group)
 Field-based “corporate” resource focused on
customer and partner engagement for new
server technology
 Server Virtualization
 High Performance Computing (HPC)
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
DR Benefits of Virtualization
 Separates application from at risk physical
hardware
 Move “that scary server in the corner that we
don’t have the install CDs for anymore” to a VM
 Perpetuates a key business function
 Encapsulating a server in a VM let you
easily
 Back up / restore
 Migrate
 Availability (failover clustering)
 Hardware maintenance
 Performance
DR Benefits of Virtualization
 Application Backups Where None Were
Possible
 How do you backup 10 year old multi-
dimensional database?
 Shut down services, copy files, start services, run
backup
(or often NOT AT ALL!)
 How do you backup your Linux hosts?
(many admins don’t!)
 High Availability Where None was possible
 Cluster physical hosts
 Hyper-V – Quick Migration / Live Migration
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
Can You Back Up Virtualized Systems Safely?
(article discussing Vmware Consolidated Backup)
 “it's not something that's easy to use and
implement…you have to do the integration to
make it work.”
 "It's difficult to just use …you have to write a lot of
scripts and requires a lot of maintenance…that just
adds another level of management to the process.“
 Companies rushing to virtualize …find that backup and
restore could be a problem due to its extensive use of
scripting.
How Do You Backup Your VMs?
 With VMware (and other virtualization stacks)
agents inside VMs are common
 Host backups can be hard to “integrate”
 Agents insdie VMs does NOT provide you
the benefit of encapsulation!
Common Backup Architectures
“Agented” Backup
of Virtual Machine
VM
VM
Backup
Server
VM
“Agented” Backup
of Physical Server
Direct Backup
of Physical Server
VM
VM
VM
Backup
Server
VM
VM
VM
Backup Multiplexing
Direct Backup
of Physical Server
“Agented” Backup
of Virtual Machine
VM
VM
VM
VM
VM
VM
Backup
Server
(Legacy)
VM
VM
VM
Backup
Server
(DPM?)
Disk-based
Recovery
Active Directory®
System State
Online Snapshots
(up to 512)
DPM 2007
With Integrated Disk & Tape
Windows XP
Windows Vista
Windows Server 2003
Windows Server 2008
file shares and
directories
Continuous Data Protection for Windows Application and File Servers
Rapid and Reliable Recovery from disk instead of tape
Advanced Technology for enterprises of all sizes
Tape-based
Archive
Offline Tape
DPM 2007 + Virtualization
Virtual Machine1
Virtual Machine 2
Virtual Machine 3
Virtual Machine 4
Virtualization - with non-VSS Guest OS
Virtual Machine1
Windows
2000
Virtual Machine 2
For any OS or application
that is not internally VSSaware:

Linux
 Windows 2000
 Windows with Oracle
 Windows with LOB app
Virtualization - with non-VSS Guest OS
Virtual Machine1
Windows
2000
Virtual Machine 2
 Hibernate OS to dump
memory / CPU to VSV
 Snap with VSS
 Resume OS
 Compare block
checksums to send
only changes within
VHD’s
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
Hyper-V Comes With Backup!
 Because Hyper-V is integrated with
Windows Server 2008, it can take
advantage of integrated features:
 File management tools and commands you
already know!
 Windows Server Backup (WSB)
 Volume Shadow Copy Service (VSS)
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
Export / Import
 Integrated into Hyper-V is the ability to
Export a VM’s configuration and Disk (VHD
files)
 VM must be off or “saved”
 Packages up:
 Configuration (.XML)
 Disk (.VHD)
 Memory if saved (.VSV)
Why Not Just Use Export?
 VM must be stopped (down time)
 Duplicates virtual machine every time (space)
 Does not work for pass through disk / or “child”
mounted iSCSI (can’t capture all disks)
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
Windows Server Backup
 Integrated with Windows Server 2008
(Replacement for NTBackup)
 Volume Shadow Copy (VSS) Aware
 Integrated scheduling features
WSB Limitations
 Must register Hyper-V VSS Writer first!


reg add "HKLM\Software\Microsoft\windows
nt\currentversion\WindowsServerBackup\Application Support\{66841CD46DED-4F4B-8F17-FD23F8DDC3DE}"
reg add "HKLM\Software\Microsoft\windows
nt\currentversion\WindowsServerBackup\Application Support\{66841CD46DED-4F4B-8F17-FD23F8DDC3DE}" /v "Application Identifier" /t REG_SZ /d
Hyper-v
 Scheduled backups require a dedicated
Volume (will be formatted!)
- manual backups do not need their own
vol
 Restores ALL VMs from backup…cannot
select individual VMs
Windows Server Backup (WSB) Walk Through
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
Backup and Recovery
 “DiskShadow” backup can work as well
 Call Diskshadow.exe with a pre-defined script
(example: diskshadow -s HyperVBackup.txt)
HyperVBackup.txt (unsupported)
set context persistent
set metadata C:\backup.cab
set verbose on
begin backup
add volume C: alias ConfigVolume
#The GUID of the Hyper-V Writer
writer verify {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de}
create
EXPOSE %ConfigVolume% Y:
EXEC c:\HypervBackup.bat
UNEXPOSE Y:
end backup
HyperVBackup.bat (unsupported)
REM copy centralized VHD files to local Drive
Xcopy y:\VHDs\*.* g:\HyperVBackup\VHDs\*.* /e /s /y /F
/O /X /R /H
REM copy Hyper-v Config files to local Drive
xcopy y:\ProgramData\Microsoft\Windows\Hyper-V\*.*
g:\HyperVBackup\ProgramData\Microsoft\Windows\HyperV\*.* /e /s /y /F /O /X /R /H
VMRestore.bat (unsupported)
Echo Stopping Hyper-V Services...
sc \\localhost stop VMMS
sc \\localhost stop VHDSVC
sc \\localhost stop nvspwmi
REM copy centralized VHD files FROM local backup Drive
Xcopy g:\HyperVBackup\VHDs\*.* C:\VHDs\*.* /e /s /y /F /O /X
/R /H
REM copy Hyper-v Config files FROM local Drive
xcopy g:\HyperVBackup\ProgramData\Microsoft\Windows\HyperV\*.* c:\ProgramData\Microsoft\Windows\Hyper-V\*.* /e /s
/y /F /O /X /R /H
Echo Starting Hyper-V Services...
sc \\localhost start VMMS
sc \\localhost start VHDSVC
sc \\localhost start nvspwmi
Diskshadow Backup and Restore Walk Through
DiskShadow Limitations
Summary
 Backup and Recovery of Hyper-V-based
VMs is easier than on other
virtualization platforms
 Tools you know
 Tools you have
 System Center Data Protection Manager
(DPM) 2007 SP1 offers better backup
and recovery
 Lower cost, less bandwidth, smaller storage
 Individual VM restore
Agenda
 Introductions
 DR Benefits of Virtualization
 Virtualization Backup & Recovery
Challenges
 Backup and Recovery “On the Cheap”
 Export / Import
 Windows Server Backup (WSB)
 Scripted Diskshadow Backup
 Q&A
Q&A
© 2008 Microsoft Corporation. All rights reserved.
Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to
changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the
date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
Virtualization Resources

Microsoft Virtualization



Web: http://www.microsoft.com/virtualization
Technet: http://technet.microsoft.com/enus/virtualization/default.aspx
System Center Virtual Machine Manager

Web: http://www.microsoft.com/scvmm

Hyper-V

http://www.microsoft.com/windowsserver2008/en/us/hyperv.aspx
Microsoft Application Virtualization (formerly SoftGrid)
 Web: http://www.microsoft.com/systemcenter/appv/default.mspx

Terminal Services




Blog: http://blogs.msdn.com/ts/
Web: www.microsoft.com/terminalserver
Virtual PC 2007

Web: http://www.microsoft.com/virtualpc
Virtualization Road Map
Now
Windows Server 2008
Microsoft Server 2008
Hyper-V
System Center Virtual
Machine Manager 2008
MDOP w/ MAV4.5
Updated w/ Server 2008
guest support
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