crsctl Commands Cheat Sheet

Oracle Clusterware is a software component provided by Oracle Corporation that enables the management and coordination of multiple servers in a cluster environment. It provides high availability and scalability for Oracle databases and other applications by allowing multiple servers to work together as a single system. Oracle Clusterware handles tasks such as node membership, resource management, and failure detection and recovery within the cluster.

In all the commands I suppose crsctl is in your path


This is the list of Oracle crsctl commands you need to use to manage your Oracle clusterware.

To check all the crs resources:

crsctl stat res -t -init
crsctl stat res -t

Sometimes the services might not even be up or down but in the Unknown state or intermediary state.

crsctl stat res -t -w "((TARGET != ONLINE) or (STATE != ONLINE)"

To search for a given name

crsctl status res -t -w "NAME co bas01nfi"

To stop the Oracle Clusterware on the local node

crsctl stop crs [-f]

Use -f to force the stop.

To disable Oracle Clusterware, so that it does not start when rebooting a node

crsctl disable crs

Then if you want to enable it again

crsctl enable crs

And to start the crs again

crsctl start crs

Status, Configuration and Checking cluster resources

crsctl check crs # Status CRS Services

crsctl check cluster -n rac2 # Status Cluster Services

crsctl check ctss # Status The Cluster Time Synchronization Service

crsctl config crs (requires root) # checks if Oracle High Availability Services autostart is enabled

crsctl stat res ora.rac.db -p # Print static configuration

crsctl stat res ora.rac.db -f # Print full configuration

crsctl query css votedisk # Voting Disks Status

olsnodes -n -i -s -t # List Cluster Nodes

oifcfg getif # Info about network Interfaces

ocrcheck # Status OCR (execute as root to check logical corruption)

ocrcheck -local (requires root) # OCR Status with CRS/OHAS OFFLINE

ocrconfig -showbackup # Backup info about OCR

ocrconfig -add +TEST # Create a copy of OCR in another Diskgroup

cluvfy comp crs -n rac1 # Verify CRS Integrity

Leave a Reply

Your email address will not be published. Required fields are marked *