HP XP P9500 Storage User Manual

Page 30

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Table 14 BC operations — P-VOL shared with Cnt Ac-J S-VOL/P-VOL at intermediate site

BC operations

Cnt Ac-J
intermed.-remote
pair status

Cnt Ac-J
local-intermed.
pair status

Resync -- Quick
Restore

Resync --
Reverse Copy,

Create, Split, Suspend, Delete,

Resync--Normal Copy, Quick Resync

NO

NO

YES

PAIR or COPY

PAIR, COPY

*

,

and
PSUS/SSWS

NO

NO

YES

PSUS/SSWS

PAIR or COPY

NO

YES

YES

PSUS/SSWS

PSUS/SSWS

* When status for both Cnt Ac-J pairs is COPY, no BC operation is possible.

Table 15 BC operations — P-VOL shared with Cnt Ac-J S-VOL/delta resync S-VOL at remote site

BC operations

Cnt Ac-J delta resync
pair status

Cnt Ac-J
intermed.-remote pair
status

Resync --Reverse
Copy, Quick Restore

Create, Split, Suspend, Delete,

Resync--Normal Copy, Quick Resync

NO

YES

HOLD or HLDE

PAIR, COPY, or
PSUS/SSWS

Using BC in Cnt Ac-S/Cnt Ac-J 3DC cascade configurations

A Business Copy primary volume can be shared with Continuous Access Synchronous and
Continuous Access Journal secondary volumes at the intermediate site in 3 data center (3DC)
cascade configurations, as shown in the following figures.

Figure 9 Cnt Ac-J, Cnt Ac-S, and BC Shared Volume Configuration 1

30

Sharing Business Copy volumes

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