IBM PowerHA SystemMirror for i: Using DS8000 (Volume 2 of 4)

Planning

This chapter describes the required planning steps to implement IBM PowerHA SystemMirror for i with the DS8000 storage server series.

The following topics are described in this chapter:

•2.1, “IBM PowerHA SystemMirror for i preparation” on page 28

•2.2, “Sizing the backup system” on page 30

•2.3, “Synchronous versus asynchronous replication” on page 30

•2.4, “Space-efficient LUNs” on page 31

•2.5, “I/O adapter virtualization” on page 32

•2.6, “Calculating full synchronization time bandwidth” on page 36

2.1 IBM PowerHA SystemMirror for ...