Sharing volumes in a 3-cnt ac-s/cnt – HP XP P9500 Storage User Manual

Page 34

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These sections describe the configurations and supported BC operations.

For more information about these configurations, see the HP XP P9000 Continuous Access Journal
User Guide
.

Sharing volumes in 3-Cnt Ac-J/Cnt Ac-S DC multi-target and delta resync configurations

You can share BC P-VOL with Cnt Ac-S and Cnt Ac-J volumes at the intermediate and remote sites
in 3DC multi-target and delta resync configurations, as shown in the following figure.

The BC operations that you can perform depend on the pair status of the other pairs. The following
tables show the supported operations.

Table 4 BC operations at the intermediate site

BC operations

Cnt Ac-J delta resync
pair status

Cnt Ac-S
local-intermed.
pair status

Resync -- Quick
Restore

Resync --
Reverse Copy,

Create, Split, Suspend, Delete,

Resync--Normal Copy, Quick Resync

NO

NO

YES

HOLD

PAIR or
COPY(PD)/COPY

NO

NO

YES

HLDE

PAIR or
COPY(PD)/COPY

NO

YES

YES

HOLD

PSUS/SSWS

NO

YES

YES

HLDE

PSUS/SSWS

Table 5 BC operations at the remote site

BC operations

Cnt Ac-J delta resync
pair status

Cnt Ac-J
local-remote
pair status

Resync -- Quick
Restore

Resync --
Reverse Copy,

Create, Split, Suspend, Delete,

Resync--Normal Copy, Quick Resync

NO

NO

YES

HOLD

PAIR or
COPY(PD)/COPY

NO

YES

YES

HOLD

PSUS/SSWS

Sharing volumes in a 3-Cnt Ac-S/Cnt Ac-J DC cascade configuration

You can share BC P-VOL with Cnt Ac-S and Cnt Ac-J pairs at the intermediate site in 3DC cascade
configurations, as shown in the following figure.

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Sharing Business Copy volumes

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