HP XP Racks - Manual (Page 66)

Figure 27 Example of a configuration after failover during a storage system failure at the primary
site example
The 4x4x4 Delta Resync configuraton
The 4x4x4 Delta Resync configuration is a combination of a 4x4 configuration and a Delta Resync
configuration. This configuration is suitable for large-scale operations because it applies an extended
consistency group (EXCTG) to preserve consistency across multiple storage systems.
The following figure shows an example of a 4x4x4 Delta Resync configuration.
66 Business Continuity Manager with replication products