Relationship of 11g Crsctl start/stop CRS and Crsctl start/stop cluster

Oracle's database version is 11.2.0.3, which studies the relationship between the Crsctl start/stop CRS and Crsctl start/stop cluster.

11GR2 Oracle has packaged some grid-class components, called Grid infrastructure, or GI, which includes the following components:

1) Ohas: The new Oracle High Availability service.

2 CRS: The original Clusterware component, the function has changed greatly.

3 ASM: Formerly integrated in DBCA, now separate out, added ASMCA, enhanced asmcmd, enhanced ADVM,ACFS.

3 Oracle Net: This is the part of the previous database monitoring, adding scan.

Knowing this, it's good to understand the relationship between Crsctl start/stop CRS and Crsctl start/stop cluster

1 Crsctl start/stop CRS operates on the resources associated with the current node, including Ohas, which can be viewed by check

[Grid@node1 bin]$./crsctl Check CRS
Crs-4638:oracle High Availability Services are online
Crs-4537:cluster Ready Services is online
Crs-4529:cluster Synchronization Services is online
Crs-4533:event Manager is online

Crsctl Start/stop CRS is going to affect these 4 processes.

2 Crsctl start/stop cluster can operate on all nodes of the cluster (including, of course, the current node), provided that the target node Ohas must be OK and can view the results through check

[Grid@node1 bin]$./CRSCTL Check Cluster
Crs-4537:cluster Ready Services is online
Crs-4529:cluster Synchronization Services is online
Crs-4533:event Manager is online

adding-all or-n node1,node2 parameters can operate on all nodes of the cluster or the specified NODE1,NODE2 nodes

[Grid@node1 bin]$./crsctl Check Cluster-all
**************************************************************
Node1:
Crs-4537:cluster Ready Services is online
Crs-4529:cluster Synchronization Services is online
Crs-4533:event Manager is online
**************************************************************
Node2:
Crs-4537:cluster Ready Services is online
Crs-4529:cluster Synchronization Services is online
Crs-4533:event Manager is online
**************************************************************

Crsctl start/stop cluster will only affect these three processes and will not affect Ohas.

You can control whether has is started with the OS by Crsctl Enable/disable has. Like CRS, there's Crsctl enable/disable CRS.