HP XP P9500 Storage User Manual

Page 165

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Table 44 Storage system setting items (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration) (continued)

Remarks

Setting

Description

Item

--

Use Business Continuity
Manager for the setup.

Command devices that can be used for the
route lists below are required (See

Table 46 (page 166)

).

Command
device

•

Route list required when all sites are
available

•

Route list used when a failure occurs at
a site (recommended)

--

Use Remote Web Console or
Business Continuity Manager
for the setup.

An inter-disk controller logical path
(bidirectional) is required between the
following sites:

Logical path

•

Primary site and intermediate site

•

Intermediate site and remote site

•

Primary site and remote site

Preparing the configuration files (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)

The following table describes the configuration files required for using Business Continuity Manager
in a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration.

Table 45 Required configuration files (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)

Remarks

Description

Item

--

Disk configuration definition files are required for
the primary site, intermediate site, and remote site.

Disk configuration
definition file

--

Prepare the following route lists by referring to

Table 46 (page 166)

:

Route list definition
file and command
device definition file

•

The route list that is required when all sites are
available

•

A route list used if a failure occurs at a site
(recommended)

This item is not necessary if you use Remote Web
Console to set up logical paths.

A path set consisting of inter-disk controller logical
paths (bidirectional) is required between the
following sites:

Path set definition
file

•

Primary site and intermediate site

•

Intermediate site and remote site

•

Primary site and remote site

HP recommends that you specify a non-zero value for
Continuous Access Journal Z copy pair mirror IDs

Definition files for the following copy groups are
required:

Copy group
definition file

because 0 is used for Continuous Access Synchronous

•

Continuous Access Journal Z copy group between
the primary site and the intermediate site

M-JNL number: Any value

Z copy pair mirror IDs, and you might decide to
change the configuration at a later time to include
Continuous Access Synchronous Z copy pairs.

R-JNL number: Any value

Mirror ID: A non-zero value that is different from
the mirror ID of any other Intermediate

→ Remote

and Primary

→ Remote Continuous Access

Journal Z copy pairs

•

Continuous Access Journal Z copy group between
the intermediate site and the remote site

M-JNL number: Same value as the R-JNL number
between the primary site and the intermediate
site

Defining a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration

165

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