HP XP P9500 Storage - Manual (Page 143)

Synchronous Z Consistency Preservation Function is used at the secondary site, a command device
is required at the secondary site.
NOTE: To operate the primary site storage systems at the secondary site, you need to transfer
the configuration files created at the primary site to the secondary site.
Secondary site without a host
When a host is not installed at the secondary site, you can perform a remote scan from the primary
site to acquire volume information of the secondary site. You do not need to transfer the configuration
files from the primary site to the secondary site.
Figure 80 (page 143) shows the process flow for defining a 2DC configuration without a host at
the secondary site. The step numbers indicated in Figure 80 (page 143) corresponds to the procedures
in “Definition procedure (2DC configuration)” (page 143) .
Figure 80 Process Flow for Defining a 2DC Configuration without a Host at the Secondary Site
#1 This procedure is not required if the path has been established by using Remote Web Console.
#2 A logical path must be built for the reverse direction if you are:
•
Using Continuous Access Journal Z
•
Using the Reverse Resync Function
Definition procedure (2DC configuration)
This section explains how to define a 2DC configuration with a host at the secondary site by using
the Remote DKC Control Function.
First, set the items that need to be set by using Remote Web Console from among the items listed
in
Table 35 (page 140)
Defining a 2DC configuration 143