Category: RAC Basics

After creating 11g R2 RAC database for the EBS R12, we wanted to enable multiplexing for the control files. Oracle recommends multiplexing the control files . We are using ASM for the storage of control files.

At the time of creating the database by dbca we can do multiplexing or we can also do later manually as described below.
Goal:- We have control file in the +DATA disk group and we want to also keep it in another disk group +OCR_VOTE for multiplexing.

Some useful RAC 11G commands are documented below.    STOP SEQUENCE COMMAND                                   DESCRIPTION —————————————————————————————— srvctl stop database -d ORCL              STOP DATABASE  srvctl stop instance -d ORCL…

Figure 1 SCAN is new Oracle Real Application Clusters (RAC) 11gR2 feature. It gives a single name for clients to access oracle database running in…