■
Example of Differential Backup Settings
This section describes the RAID configuration settings by using the settings for differential backing up with
SnapOPC+ as an example.
In the ETERNUS DX Disk storage system, the differential copy function (SnapOPC+) can be used without need-
ing any optional software. Mounting the copy destination volume on the server allows the past data to be
seen as a drive, and the past data can be easily restored with copy & paste from the assigned drive.
Figure 5.1 Example of Differential Backup Settings with SnapOPC+
Operation data
F:
Sunday data
Saturday data
Friday data
Thursday data
Wednesday data
Tuesday data
Monday data
G : 1st generation
H : 2nd generation
I : 3rd generation
J : 4th generation
K : 5th generation
L : 6th generation
M : 7th generation
Server
ETERNUS DX
Disk storage system
Generation management of data that is
acquired daily
SnapOPC+
By mounting the copy
destination volumes, the past
data is recognized as drives
by the server
Chapter 5 General Settings
71
FUJITSU Storage ETERNUS DX100 S3/DX200 S3 Disk storage system Configuration Guide (Basic)
Copyright 2014 FUJITSU LIMITED
P3AM-7652-02ENZ0
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