Creating copy groups, Defining a delta resync configuration – HP XP Racks User Manual
Page 198
4.
From remote host 2, register a command device for the storage systems at remote site 2,
primary site, and remote site 1.
Creating copy groups
All copy groups must be created on the primary host.
1.
Define a Continuous Access Journal Z copy group between the primary site and remote site
1.
2.
Define a Continuous Access Journal Z copy group between the primary site and remote site
2.
For C/T ID (JNLG) in the Setting C/T ID Attributes panel, specify the value that was specified
for C/T ID (JNLG) for the Continuous Access Journal Z copy group between the primary site
and remote site 1.
For MIRROR ID in the Copy Group Attributes (CAJ) panel, specify a value that is different from
the MIRROR ID values for other Continuous Access Journal Z copy pairs between the primary
site and remote site 1.
3.
Define a Continuous Access Journal Z copy group between remote site 1 and remote site 2.
For C/T ID (JNLG) in the Setting C/T ID Attributes panel, specify the value that was specified
for Sub C/T ID (JNLG) for the Continuous Access Journal Z copy group between the primary
site and remote site 1. For Sub C/T ID (JNLG), specify the value that was specified for Sub C/T
ID (JNLG) for the Continuous Access Journal Z copy group between the primary site and remote
site 2.
For MIRROR ID in the Copy Group Attributes (CAJ) panel, specify a value that is different from
the MIRROR ID values for other Continuous Access Journal Z copy pairs between the primary
site and remote site 1 and between the primary site and remote site 2.
4.
Create a copy pair for the Continuous Access Journal Z copy group between the primary site
and remote site 1.
5.
Create a copy pair for the Continuous Access Journal Z copy group between the primary site
and remote site 2.
6.
Transfer the configuration file for three copy groups to remote site 1 and remote site 2.
Defining a Delta Resync Configuration
This section explains how to define a Delta Resync configuration. The following legend is used for
the figures in this section.
198 Configuration definitions