The following table shows, for each system switchover method, whether the instance of RAID Manager used by Real Time SAN Replication must be activated before starting the standby system and before switching over the system.

Table 8-3 Whether RAID Manager needs to be activated on the standby system

System switchover method		Whether RAID Manager needs to be activated
		Immediately before starting the standby system	Immediately before switching over the system
Standby system switchover facility	Monitor mode	Not required	Required
	Server mode
	User server hot standby	Required
	Rapid system switchover facility
Standby-less system switchover (1:1) facility
Standby-less system switchover (effects distributed) facility