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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