Determining XRC resource needs

This topic contains information and recommendations about the resources needed to establish an XRC configuration that meets disaster recovery and workload migration needs.

Before installing Extended Remote Copy, review Table 1.

Table 1. Considerations for determining XRC resource needs
Consider . . .
Evaluating how XRC affects the primary storage subsystem
Evaluating how XRC affects the recovery storage subsystem
Determining the recovery site storage capacity
Determining recovery system access to resources
Establishing storage subsystem channel connections
Establishing XRC ESCON connections
Establishing XRC system data mover connections
Estimating XRC system resources for system data mover operations
Allocating XRC journal data sets