V$HVMASTER_INFO

V$HVMASTER_INFO describes the current and previous master instances and the number of re-masterings of Global Enqueue Service resources.

Column	Datatype	Description
HV_ID	NUMBER	Hash value ID
CURRENT_MASTER	NUMBER	Master instance of this hash value ID
PREVIOUS_MASTER	NUMBER	Previous master instance of this hash value ID
REMASTER_CNT	NUMBER	Number of times this has been remastered