Table 25 Available Cascade Copy Combinations (When A Cascade Copy Performs Session 2 Followed By Session 1) - Fujitsu ETERNUS DX60 S4 Design Manual

1. Function
Backup (Advanced Copy)
Table 25 shows the supported combinations when adding a copy session to a copy source volume where a copy
session has already been configured.

Table 25 Available Cascade Copy Combinations (When a Cascade Copy Performs Session 2 Followed by Session 1)

Copy session 1
OPC
QuickOPC
SnapOPC
SnapOPC+
EC
¡: Possible, ´: Not possible
*1: This combination is supported only if the copy size in both the copy source volume and the copy destina-
tion volume is less than 2TB.
If the copy size is 2TB or larger, perform the following operations instead.
When performing a temporary recovery
•
Use a Cascade Copy of QuickOPC (copy session 1) and OPC (copy session 2).
When backing up two generations
•
Use a multi-copy that is configured with QuickOPC and QuickOPC.
FUJITSU Storage ETERNUS DX60 S4, ETERNUS DX60 S3 Hybrid Storage Systems Design Guide (Basic)
Copy session 2
OPC QuickOPC
¡ ¡
¡ ¡ (*1)
´ ´
´ ´
¡ ¡
Copyright 2019 FUJITSU LIMITED
SnapOPC SnapOPC+
¡ ¡
¡ ¡
´ ´
´ ´
¡ ¡
78
EC
¡
¡
´
´
¡
P3AM-8992-14ENZ0