Dedup Report on Server 2012

Some of you maybe already heard of this new outstanding feature coming with Windows Server 2012. I used the chance to test De-duplication with 4TB of backup data on a server at my workplace.

BTW: don’t confuse with “nobody used that”-feature on Server 2008. Server 2012 has a real Dedup function now.

Total size of physical Partition: 5.46 TB
Dedup started: 21-December-2012 / 21.12.2012 (dates are in dd.mm.yyyy format)

Date

Free___ Space

Used___ Space

Unopti-mizedSize

Saved___ Space

Savings Rate

InPolicy FilesCount

Optimized FilesCount

21.12.2012

375 GB

5090 GB

5090 GB

0 GB

0 %

18479

0

09.01.2013

1120 GB

4340 GB

5320 GB

999 GB

18 %

17751

8368

13.01.2013

3330 GB

2120 GB

6070 GB

3950 GB

65 %

18180

18186

16.01.2013

3210 GB

2250 GB

5930 GB

3680 GB

62 %

18001

18003

20.01.2013

3340 GB

2110 GB

5660 GB

3540 GB

62 %

18623

18627

23.01.2013

3220 GB

2240 GB

5560 GB

3320 GB

59 %

18410

18414

27.01.2013

3310 GB

2150 GB

5750 GB

3600 GB

62 %

18668

18676

30.01.2013

3150 GB

2310 GB

5610 GB

3300 GB

58 %

18045

18031

UnOptimizedSize equals to the real size of the Data on the volume.

2-4-2013 10-03-58 AM

After about three weeks warm-up time, Dedup started being very efficient at January 13. Since then, data was written and deleted daily but it seems like there wasn’t any performance nor free space bottleneck in that time.

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