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HP XP P9000 Command View Advanced Edition Software User Manual

Page 160

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There are some requirements for copy types of the pair groups that can be added in multi-target or
cascade configurations, to be compatible with the copy type of the original pair group. In this case,
the copy type of the pair group to be connected by the Add Group operation must satisfy these
requirements to be compatible with the copy type of the original pair group. For details on copy type
requirements, see “

Copy type requirements for pair configuration definitions

” on page 160.

Related topics

Copy type requirements for pair configuration definitions

, page 160

Permitted topologies for cascade and multi-target configurations

, page 161

Copy type requirements for pair configuration definitions

The following requirements must be satisfied in order for copy types of pair groups added in multi-target
or cascade configurations, to be compatible with the copy type of the original pair group.

Requirements for the copy type when creating a multi-target 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

Y

Y

Y

N

Y

Business Copy

Y

Y

Y

Y

N

Snapshot

Y

N

N

Y

Y

Continuous Ac-
cess Synchron-
ous

N

N

N

Y

Y

Continuous Ac-
cess Asynchron-
ous

N

N

N

Y

Y

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

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

Y

Y

Y

N

Y

Business Copy

N

N

N

N

N

Snapshot

Managing pair life cycle

160

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