Figure 20 Deduplication Overview; Figure 21 Compression Overview - Fujitsu ETERNUS AF250 Design Manual
All-flash arrays
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Also See for ETERNUS AF250:
- Setup manual (12 pages) ,
- User manual (423 pages) ,
- Configuration manual (171 pages)
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1.
Function
Operations Optimization (Deduplication/Compression and Storage Virtualization)
●
Deduplication Function
This function removes duplicate data blocks and stores the data.
Figure 20 Deduplication Overview
Data 1
A
B
A
B
●
Compression Function
This function compresses each data block and stores the data.
Figure 21 Compression Overview
Data 1
A
B
A
B
Business server 1
C
D
Data 1 is
written
C
D
Analysis
Deduplication
Duplicate data blocks are removed
A
B
C
Target volume for deduplication
Business server 1
C
D
Data 1 is
written
C
D
Compression:
Data blocks are compressed
A B C D A B E F
Target volume for compression
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays Design Guide (Basic)
Copyright 2019 FUJITSU LIMITED
A
B
Data 2 is
written
A
B
D
E
F
ETERNUS AF
A
B
Data 2 is
written
A
B
ETERNUS AF
39
Business server 2
E
F
Data 2
E
F
Business server 2
Data 2
E
F
E
F
P3AG-1822-09ENZ0
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