Fujitsu ETERNUS AF250 - Figure 61 Cascade Copy (Using Three Copy Sessions); Figure 62 Cascade Copy (Using Four Copy Sessions)

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 sour
ce
Copy destination
and source
OPC/QuickOPC/EC
REC
(Stack mode)
OPC/QuickOPC/
SnapOPC/SnapOPC+/
EC
Copy destination
: Cop
y 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
: Cop
y session 2
: Copy session 3
: Copy session 4
EC EC EC
REC
(Stack mode)
QuickOPC E
C EC
A B C D E
A B C D E
ETERNUS DX/AF ETERNUS DX/AF
ETERNUS DX/AF ETERNUS DX/AF
1. Function
Backup (Advanced Copy)
100
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays
Design Guide (Basic)
Copyright 2019 FUJITSU LIMITED
P3AG-1822-09ENZ0