Figure 65 Deduplication Overview; Figure 66 Compression Overview - Fujitsu ETERNUS DX S5 Series Design Manual
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Also See for ETERNUS DX S5 Series:
- Configuration manual (259 pages) ,
- Operation manual (basic (135 pages) ,
- Configuration manual (75 pages)
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3. SAN Functions
Operations Optimization (Deduplication/Compression)
●
Deduplication Function
This function removes duplicate data blocks and stores the data.
Figure 65
Data 1
A
A
●
Compression Function
This function compresses each data block and stores the data.
Figure 66
Data 1
A
A
Deduplication Overview
Business server 1
B
C
D
Data 1 is
written
B
C
D
Deduplication
Duplicate data blocks are removed
A
B
Target volume for deduplication
Compression Overview
Business server 1
B
C
D
Data 1 is
written
B
C
D
Compression:
Data blocks are compressed
A B C D A B E F
Target volume for compression
A
Data 2 is
written
Analysis
A
C
D
E
F
ETERNUS DX
A
Data 2 is
written
A
ETERNUS DX
130
Business server 2
B
E
F
Data 2
B
E
F
Business server 2
B
E
F
Data 2
B
E
F
Design Guide
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