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Location of OCR and Voting files on ASM in 11gR2

edited Aug 17, 2010 1:40PM in Database - RAC/Scalability (MOSC) 5 commentsAnswered
In 11gR2 there are two options for  OCR locations:  cluster file system or ASM.

The Grid Infrastructure Installation Guide 11gR2 for HP-UX

 

If you plan to install on Oracle ASM , then to ensure high availability of Oracle

Clusterware files on Oracle ASM, you need to have at least 2 GB of disk space for

Oracle Clusterware files in three separate failure groups , with at least three physical

disks. Each disk must have at least 1 GB of capacity to ensure that there is sufficient

space to create Oracle Clusterware files.“

  

What do they mean by "three separate failure groups"?  Three ASM disk groups each on it's own physical disk ?

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