Space Saving With Deduplication; Data Deduplication Savings, Example - HP StorageWorks D2D100 - Backup System User Manual
Hp storageworks d2d4004 and hp d2d4009 backup system user guide (eh938-90924, october 2008)
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Also See for StorageWorks D2D100 - Backup System:
- Release note (4 pages) ,
- User manual (41 pages) ,
- User manual (176 pages)
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Table 2 Data deduplication savings, example 1
1st daily full backup
1st daily incremental backup
2nd daily incremental backup
3rd daily incremental backup
4th daily incremental backup
5th daily incremental backup
2nd weekly full backup
3rd weekly full backup
25th weekly full backup
TOTAL
Space saving with deduplication
14000
12000
10000
8000
6000
4000
2000
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Figure 6 Space saving with deduplication
Data stored normally
500 GB
50 GB
50 GB
50 GB
50 GB
50 GB
500 GB
500 GB
500 GB
12,750 GB
End of week
D2D Backup SystemHP D2D4004 and HP D2D4009
Data stored with deduplication
500 GB
5 GB
5 GB
5 GB
5 GB
5 GB
25 GB
25 GB
25 GB
1,125 GB
Without
Dedupe
With
Dedupe
23
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