Fujitsu Eternus DX60 User Manual page 36

Chapter 1 Overview
> 1.3 Functions
The following shows an example of an Advanced Copy operation using ETERNUS SF
AdvancedCopy Manager.
Conventional Backup
Volume
Operation
Figure 1.12 Example of an Advanced Copy operation
The following four methods are available as the Advanced Copy function.
• OPC (One Point Copy)
One Point Copy (OPC) is a function that copies data in the volume (copy source) to another
volume in the same device (copy destination) at a specific point in time.
OPC is suitable for the following usages.
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• QuickOPC
QuickOPC copies all data as initial copy as OPC. After the initial copy has completed, only
updated data (differential data) need to be copied hereafter.
QuickOPC is suitable for the following usages.
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P3AM-3042-03ENZ0 ETERNUS DX60/DX80 Disk storage system User Guide
Backup Software
Using Advanced
Copy
Tape
Backup Process
Operation
(System Down Time)
Time
Reduce the system down time
by using the high-speed backup
with Advanced Copy function.
Making backup
Making replicas
Restoration from the backup data (restoration after replacing a disk when the copy source
disk has failed)
Making backup for less updated data
Making system test data replication
Restoration from the backup
Reduction of Backup Time Using Advanced Copy
ETERNUS SF AdvancedCopy Manager
Disk Backup Function Tape Backup Function
Backup
Volume
Volume
Operation Operation
System Down Time
36
Tape
Time
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