For a SnapOPC+, the maximum number of SnapOPC+ copy session generations can be set for a single copy
source area when seven or less multi-copy sessions are already set.
Figure 54 Multi-Copy (Including SnapOPC+)
. . . . .
ETERNUS AF/DX ETERNUS AF/DX
ETERNUS AF/DX
Copy
destination 1
Copy
destination 2
Copy
destination 3
Copy
des
tination 4
Copy
destination 5
Copy
destination 6
Copy
des
tination 7
Copy source
Copy destination (SnapOPC+ generation data)
Note that when the Consistency mode is used, a multi-copy from a single copy source area to two or more
copy destination areas in a single copy destination storage system cannot be specified. A multi-copy from
the same copy source area to different copy destination storage systems can be specified.
Figure 55 Multi-Copy (Using the Consistency Mode)
Copy source
Copy
destination 1
Copy
destination 2
Copy
des
tination 3
ETERNUS AF/DX
ETERNUS AF/DX
ETERNUS AF/DX
REC (Consistency)
REC (Consistency)
REC
(Consistency)
2. Basic Functions
Backup (Advanced Copy)
114 Design Guide