Advanced Copy - Fujitsu Eternus2000 Manual

1.3 Functions
1.3.3

Advanced Copy

The Advanced Copy functions allows the ETERNUS2000 to carry out high-speed data copying operations
on its own, with no need to draw on server resources.
Advanced Copy is a function that copies the data from one volume (copy source) to another volume in the
same device (copy destination), at a specific point in time. This high-speed data copy function makes data
backup, data restoration and test data replication quick and easy tasks.
To use Advanced Copy functions, "ETERNUS SF AdvancedCopy Manager" is required. By using
"ETERNUS SF AdvancedCopy Manager", "High-speed Backup", "High-speed Replication", and "Tape
Backup" using Advanced Copy function can be performed without interrupting the operation.
Conventional Backup
Volume
Operation
Figure 1.12 Example for use Advanced Copy function
The following 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.
• Making backup
• Making replicas
• Restoration from the backup data (restoration after replacing a disk drive when the copy
• 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.
• Making backup for less updated data
• Making system test data replication
• Restoration from the backup (restoration after replacing a disk drive when the copy
16
Backup Software
Tape
Backup Process
Operation
(System Down Time)
→ Time
source disk drive has failed)
source disk drive has failed)
Copyright 2009 FUJITSU LIMITED
Reduction of Backup Time Using Advanced Copy
ETERNUS SF AdvancedCopy Manager
Disk Backup Function
Volume
Operation
Using Advanced Copy
System Down Time
ETERNUS2000 disk storage system User Guide
Tape Backup Function
Backup
Volume
Tape
Operation
→ Time
Reduce the system down time
by using the high-speed backup
with Advanced Copy function
P3AM-2512-03EN