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TechNet webast by Mike Resseler. Session recording: http://technet.microsoft.com/en-us/video/windows-server-2012-data-deduplication.
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Data DeduplicationWindows Server 2012
Mike ResselerSenior Technical ConsultantInfront Consulting Group@mikeresselerMike.Resseler@InfrontConsulting.com
Deduplication?
Architecture
Installation - Config
Results / Conclusions
More Tips
Data Deduplication?
Say what?
The term deduplication refers generally to eliminating duplicate or redundant information (wikipedia)
In-line versus Post Process
Source versus Target
File-, Block- or Chunk-Based
Architecture
How it works
Filter Driver
Service Based (ddpsvc)
Optimization
Scrubbing
Garbage Collection
1.01.0
A B C
X Y
A B C
M N
ReparseSparse
A B C X Y M N
ReparseSparse
Installation & Config
Let’s use this
Windows Server 2012
1 single CPU – 4GB Ram - SATA
GUI BasedThrough Server Manager
PowerShellImport-Module ServerManagerAdd-WindowsFeature –name FS-Data-Deduplication
MBR or GPT / NTFS
1.0Per Volume
NO CSVs
Shared Storage & MS Failover Clustering
NO ReFS
NO Remotely-Mapped Drives
Can it be duplicated?
Empty volume?
Resources?
Unsupported Config?
Great: { File share | Virtualization Files | OS deploy files | Backup Files }
Maybe: { LOB | Web Servers | HPC }
Poor: { Hyper-V hosts | WSUS | SQL / Exchange Servers}
5 Age default (last modified)
Schedule: every hour
No exclusions
Garbage collection / data scrubbing on Saterday
Enable & Settings
Demo
Results & Conclusions
Good? Poor? Usable? Awesome? I want It?
Results
Demo
Benefits
1.0
1.0
50-60% - General
30-50% - Documents
70-80% - Application
80-95% - VHD Library
Performance hit?
Reliable?
Capacity optimization
Scale & Performance
Reliability & Data integrity
Bandwidth Efficiency w/ BranchCache
Management w/ Familiar Tools
Plan!
Take Backups!
DDPEval <VolumePath:> Examples: C:\> DDPEVAL.EXE \\Server\Testshare C:\> DDPEVAL.EXE E:\Test\ C:\> DDPEVAL.EXE F: Will produce output similar to the following:
Data Deduplication Savings Evaluation Tool Copyright 2011-2012 Microsoft Corporation. All Rights Reserved.
Evaluated folder: E:\Test Processed files: 34 Processed files size: 12.03MB Optimized files size: 4.02MB Space savings: 8.01MB Space savings percent: 66 Optimized files size (no compression): 11.47MB Space savings (no compression): 571.53KB Space savings percent (no compression): 4 Files with duplication: 2 Files excluded by policy: 20 Files excluded by error: 0
© 2012 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.
Photo Credits
Slide 3: http://www.flickr.com/photos/y-a-n/29789408/sizes/z/in/photostream/ Slide 5: http://www.flickr.com/photos/animm/2153412607/sizes/o/in/photostream/ Slide 6: http://www.flickr.com/photos/floato/2475639269/sizes/o/in/photostream/ Slide 8: http://www.flickr.com/photos/stuckincustoms/172015704/sizes/o/in/photostream/ Slide 9: http://www.flickr.com/photos/stephanieasher/131012025/sizes/o/in/photostream/ Slide 11: http://www.flickr.com/photos/classblog/5105466093/sizes/o/in/photostream/ Slide 14, 15, 16: http://www.flickr.com/photos/liao/118892662/sizes/o/in/photostream/ Slide 20: http://www.flickr.com/photos/davedugdale/5099605109/sizes/o/in/photostream/ Slide 21: http://www.flickr.com/photos/glasgows/ Slide 22: http://www.flickr.com/photos/drmartin/ Slide 23: http://www.flickr.com/photos/treenaks/2995378248/sizes/o/in/photostream/ Slide 24: http://www.flickr.com/photos/rachaelvoorhees/828354236/sizes/o/in/photostream/ Slide 25: http://www.flickr.com/photos/jasmic/329844767/sizes/o/in/photostream/ Slide 26: http://www.flickr.com/photos/inggmartinez/6635467311/sizes/m/in/photostream/ Slide 27: http://www.flickr.com/photos/opacity/613596753/sizes/o/in/photostream/
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