Fujitsu ETERNUS DX100 S3 - Figure 63 Deduplication;Compression Overview; Figure 64 Deduplication Overview

● Deduplication/Compression Function
This function removes duplicate data blocks, compresses the remaining data blocks, and then
stores the data.
Figure 63 Deduplication/Compression Overview
A B C D E F
Business server 2
Target volume for
deduplication/compression
Analysis
A B C D
A B C D
Data 1
Business server 1
Data 2
A B E F
A B E F
Data 1 is
written
Data 2 is
written
Deduplication
Duplicate data blocks are removed
Compression
Data blocks are
compressed
ETERNUS DX
● Deduplication Function
This function removes duplicate data blocks and stores the data.
Figure 64 Deduplication Overview
A B C D E F
Business server 2
Target volume for deduplication
Analysis
A B C D
Data 1
Business server 1
Data 2
A B E F
Data 1 is
written
Data 2 is
written
Deduplication
Duplicate data blocks are
removed
ETERNUS DX
A B C D A B E F
3. SAN Functions
Operations Optimization (Deduplication/Compression)
111
Fujitsu Storage ETERNUS DX100 S4/DX200 S4, ETERNUS DX100 S3/DX200 S3 Hybrid Storage Systems
Design Guide (Basic)
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