Hp XP Array Manager Software Manuel d'utilisateur Page 162

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Requirements for the copy type when creating a cascade configuration
Copy type of the pair group to be connected by group addition
Copy type of
the original pair
group
Continuous Ac-
cess Journal
Continuous Access
Asynchronous
Continuous Ac-
cess Synchron-
ous
Snapshot
Business
Copy
YYYNYBusiness Copy
NNNNNSnapshot
YNNYY
Continuous Ac-
cess Synchronous
NNNYY
Continuous Ac-
cess Asynchron-
ous
NNNYY
Continuous Ac-
cess Journal
Legend:
Y: This type of pair group can be connected.
N: This type of pair group cannot be connected.
Requirements for the copy type when creating a cascade configuration (mainframe systems)
Copy type of the pair group to be connected by group addition
Copy type of the
original pair
group
Continuous Ac-
cess Journal
Continuous Access
Asynchronous
Continuous Access
Synchronous
Business Copy
YYYNBusiness Copy
YNNY
Continuous Access
Synchronous
NNNY
Continuous Access
Asynchronous
NNYY
Continuous Access
Journal
Legend:
Y: This type of pair group can be connected.
N: This type of pair group cannot be connected.
Permitted topologies for cascade and multi-target configurations
The following restrictions apply when creating cascade or multi-target configurations or deleting copy
groups in cascade or multi-target configurations:
When creating a cascade configuration, it is necessary to first create a higher-level copy group.
Higher-level copy groups cannot be added to lower-level copy groups
Managing pair life cycle162
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