A Cascade Copy that uses the three copy sessions can be performed with the following configuration.
Figure 61 Cascade Copy (Using Three Copy Sessions)
Copy source
Copy destination
and source
Copy destination
and source
OPC/QuickOPC/EC
REC
(Stack mode)
OPC/QuickOPC/
SnapOPC//
EC
Copy destination
: Copy session 1
: Copy session 2
: Copy session 3
A Cascade Copy that uses the four copy sessions can be performed with the following configuration.
However, two EC sessions in the copy destination ETERNUS device cannot be "Active" at the same time.
Figure 62 Cascade Copy (Using Four Copy Sessions)
REC
(Stack mode)
: Copy session 1
: Copy session 2
: Copy session 3
: Copy session 4
EC
EC
EC
REC
(Stack mode)
QuickOPC
EC
EC
A
B
C
D
E
A
B
C
D
E
ETERNUS DX/AF
ETERNUS DX/AF
ETERNUS DX/AF
ETERNUS DX/AF
2. Basic Functions
Backup (Advanced Copy)
103
FUJITSU Storage ETERNUS DX500 S4/DX600 S4, ETERNUS DX500 S3/DX600 S3 Hybrid Storage Systems Design Guide (Basic)
Copyright 2019 FUJITSU LIMITED
P3AM-7722-25ENZ0
Summary of Contents for ETERNUS DX500 S3/DX600 S3
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