Operations During A Storage System Failure At The Primary Site - HP XP P9500 Software User's Manual

Figure 23 A configuration after a failover during a host failure at the primary site example

Operations during a storage system failure at the primary site

During a storage system failure at the primary site, the YKSUSPND REVERSE command can be
executed for the Continuous Access Synchronous for Mainframe copy group to suspend it, and
the configuration can be switched to the 4x4 configuration between the intermediate and remote
sites to continue operation.
Figure 24 (page 54) shows a configuration example after a failover during a storage system failure
at the primary site.
Replication products and data center configurations 53