● Deduplication Function
This function removes duplicate data blocks and stores the data.
Figure 26 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
● Compression Function
This function compresses each data block and stores the data.
Figure 27 Compression Overview
A B C D A B E F
Business server 2
Target volume for compression
A B C D
Data 1
Business server 1
Data 2
A B E F
Data 1 is
written
Data 2 is
written
Compression:
Data blocks are compressed
ETERNUS DX
A B E FA B C D
4. SAN Functions
Operations Optimization (Deduplication/Compression)
51
FUJITSU Storage ETERNUS DX500 S3/DX600 S3 Hybrid Storage Systems
Overview
Copyright 2019 FUJITSU LIMITED
P3AM-7702-29ENZ0
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