11gR2 Clusterware tips

Grid home consists of the Oracle Clusterware and ASM. But Grid Infra and RAC DB must be install different home.

First install clusterware then install RAC

If you want to use ASM and Oracle Restart GI can be installed in single server mode .

Grid infra run alone. You can use application like other clusterware

Voting file backed automaticly(configuration change).You can restore crsctl.

SCAN VIP three ip. one vip for each node register DNS or Grid Naming Service

Connect node then Start and Stop CRS crsctl start crs crsctl stop crs

crsctl start cluster start all nodes

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