Continuous access journal – HP XP P9500 Storage User Manual

Page 26

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You can use both L1 and L2 pairs with Cnt Ac-S volumes. Both node and leaf S-VOLs are
considered secondary volumes by Cnt Ac-S.

The Quick Restore operation can be performed on a BC pair when the Continuous Access
Synchronous pair is suspended.

The BC primary volume can be shared with Cnt Ac-S volumes in a 3 data center configuration.
See

(page 30)

for more information.

You can use the consistency group pair-split operation on BC pairs whose volumes are shared
with Continuous Access Synchronous S-VOLs. See

(page 19)

for information.

For additional information about sharing BC and Cnt Ac-S volumes, see the section on sharing
volumes with Business Copy in the HP XP P9000 Continuous Access Synchronous User Guide.

Continuous Access Journal

Continuous Access Journal (Cnt Ac-J) volumes can be shared with Business Copy volumes.

BC primary volumes can be shared with Cnt Ac-J P-VOLs and S-VOLs.

BC secondary volumes cannot be shared with Cnt Ac-J S-VOLs.

BC pair volumes may not share Cnt Ac-J journal volumes.

You can use both L1 and L2 pairs with Cnt Ac-J volumes. Both node and leaf S-VOLs are
considered secondary volumes by Cnt Ac-J.

The Quick Restore operation can be performed on the BC pair when the Cnt Ac-J pair is
suspended

You can share BC volumes with Cnt Ac-J volumes in a 3 Cnt Ac-J data center configuration.
See

(page 26)

You can share the BC primary volume with Cnt Ac-J and Cnt Ac-S volumes in a 3 Cnt Ac-J/Cnt
Ac-S data center configuration. See

(page 30)

for more information.

You can use the consistency group pair-split operation on BC pairs whose volumes are shared
with Continuous Access Journal S-VOLs. See

(page 19)

for information.

For additional information about sharing BC and Cnt Ac-J volumes, see the related appendix in
the HP XP P9000 Continuous Access Journal User Guide.

Sharing BC volumes in 3-Cnt Ac-J data center configurations

Business Copy pair volumes can be shared with Continuous Access Journal volumes in the following
3-Cnt Ac-J data center (3DC) configurations:

Multi-target

Cascade

Delta-resync

These sections describe the configurations and supported BC operations.

See the HP XP P9000 Continuous Access Journal User Guide for detailed information about these
configurations.

Sharing volumes in a 3-Cnt Ac-J DC multi-target configuration

Business Copy volumes can be shared with Continuous Access Journal volumes in 3 DC multi-target
configurations. The BC primary and secondary volumes can be shared with Cnt Ac-J volumes, as
shown in the following figure.

Figure 5 BC volumes in a 3-Cnt Ac-J DC multi-target configuration

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Sharing Business Copy volumes

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