Figure 45 Targets For The Multi-Copy Function; Figure 46 Multi-Copy - Fujitsu ETERNUS DX60 S4 Design Manual

1. Function
Backup (Advanced Copy)
●
Multi-Copy
Multiple copy destinations can be set for a single copy source area to obtain multiple backups.
In the multi-copy shown in
multi-copy function.
When copy sessions 1 and 2 are EC, updates to area A in the copy source (update 1) are copied to both copy
destination 1 and copy destination 2.
Updates to areas other than A in the copy source (update 2) are copied only to copy destination 2.

Figure 45 Targets for the Multi-Copy Function

Copy source
Update 1
A
Update 2
Up to eight OPC, QuickOPC, SnapOPC, or EC sessions can be set for a multi-copy.

Figure 46 Multi-Copy

ETERNUS DX
destination 1
Copy
destination 8
Copy
destination 7
Copy
destination 6
destination 5
FUJITSU Storage ETERNUS DX60 S4, ETERNUS DX60 S3 Hybrid Storage Systems Design Guide (Basic)
Figure 45, the entire range that is copied for copy session 1 will be the target for the
Copy destination 1
Copy session 1
Copy destination 2
Copy session 2
Copy
Copy
destination 2
Copy source
Copy
destination 3
Copy
destination 4
Copy
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