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Summary of allowed actions on a metro resource

The following table summarizes the allowed actions that you can perform on a metro resource depending on the current metro status and the system from which the action is initiated.

NOTE:The table addresses common use cases and does not include rare failure scenarios.

Table 1. Allowed Metro ActionsThis table lists common use cases for using metro actions on the preferred or nonpreferred systems.
Location	Metro Status	Modify Role	Promote	Demote	Pause	Resume	End Metro
On preferred system	Operating Normally	Yes	No	No	Yes	No	Yes
	Paused	No	No	Yes	No	Yes	Yes
	Fractured	No	No	Yes	Yes	No	Yes
	Switching to Metro Synchronization	No	No	No	Yes	No	Yes
On nonpreferred system	Operating Normally	Yes	No	No	Yes	No	Yes
	Paused	No	Yes (if the other system is unreachable)	No	No	Yes	Yes
	Fractured	No	Yes (if the other system is unreachable)	No	Yes	No	Yes
	Switching to Metro Synchronization	No	No	No	Yes	No	Yes