Chapter 6 Optional Functions
6.2 Backup (Advanced Copy)
ETERNUS DX80 S2/DX90 S2 Disk storage system Overview
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Up to maximum number of SnapOPC+ copy session generations can be set for a single copy source area
when seven or less multiple copy sessions are already set.
Figure 6.8 Multiple copy (including SnapOPC+)
Note that when the Consistency mode is used, a multiple copy from a single copy source area to two or
more copy destination areas in a single copy destination storage system cannot be performed. A multiple
copy from a single copy source area to different copy destination storage systems can be performed.
Figure 6.9 Multiple copy (using the Consistency mode)
z z z z z
ETERNUS DX Disk storage system
Copy destination 1
Copy
destination 2
Copy destination 3
Copy destination 4
Copy destination 5
Copy destination 6
Copy destination 7
ETERNUS DX Disk storage system
ETERNUS DX Disk storage system
Copy source
Copy destination (SnapOPC+ generation data)
Copy source
Copy destination 1
Copy destination 2
Copy destination 3
ETERNUS DX Disk storage system
ETERNUS DX Disk storage system
ETERNUS DX Disk storage system
REC (Consistency)
REC (Consistency)
REC (Consistency)