The Oracle CRSCTL (Clusterware Control) utility is a command-line interface used to manage Oracle Clusterware and Oracle Restart components like the High Availability Services (HAS).
Commands to check the health and status of the cluster and its components.
crsctl check crs
Checks the status of the local Clusterware stack (CSS, CRS, EVM).
crsctl check cluster
Checks the clusterware status on local node.
crsctl check cluster -all
Checks Clusterware status on all nodes in the cluster.
crsctl check cluster -n rac2
Cluster status on specific node
crsctl status resource -t
Displays a summary table of all registered resources (databases, listeners, VIPs) and their status.
crsctl check ctss
Verifies the status of the Cluster Time Synchronization Services.
crsctl query css votedisk
Lists the locations and status of Voting Disks.