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Killing CRS daemons is not supported unless you are removing the CRS The supported method to stop is shutdown the machine or use "crsctl stop crs" or

The supported method to start CRS is booting the machine or use "crsctl start crs" Or more nodes may reboot automatically to prevent data corruption. If there is a network split (nodes lose communication with each other). On Unix, the CRS stack is run from entries in /etc/inittab with "respawn". Only one set of CRS daemons can be running per RAC node. If your CRS stack does not start, see Note 240001.1 The root.sh script at the end of the CRS installation starts the CRS stack. CRS and RAC require that the following network interfaces be configured priorįor more information on this, see Note 264847.1 Voting file should be at least 20MB and the OCR file should be at least 100MB. Shared Location(s) or devices for the Voting File and OCR (OracleĬonfiguration Repository) file must be available PRIOR to installing CRS. The CRS HOME and ORACLE_HOME must be installed in DIFFERENT locations. Was required in 9i RAC but is optional in 10g RAC. HP Serviceguard, IBM HACMP, TruCluster, Veritas Cluster, Fujitsu Primecluster,Įtc.) or can run without the vendor clusterware. CRS can either run on top of the vendor clusterware (such as Sun Cluster,

CRS is REQUIRED to be installed and running prior to installing 10g RAC. Prior to installing CRS and 10g RAC, there are some key points to remember about New high availability operations not available in previous versions. That provides a standard cluster interface on all platforms and performs This document is intended for RAC Database Administrators and Oracle supportĬRS and 10g/11.1 Real Application ClustersĬRS (Cluster Ready Services) is a new feature for 10g Real Application Clusters For information on version 11.2 and above, see Note: 1053147.1 "11gR2 Clusterware and Grid Home - What You Need to Know" This document is to provide additional information on CRS (Cluster Ready Services) in 10g and 11.1 Real Application Clusters. Information in this document applies to any platform.