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Extended cluster and OCR

AJAug 17 2011 — edited Aug 17 2011

Hello,

RAC 11.2.0.2 - four nodes.

I'm planning to setup extended cluster configuration and I've understood that I need a 3 voting disk on a third site mounted with NSF.
Also I'm planning to store OCR/Voting in ASM using normal redundancy where the NFS disk acts as a quroum failgroup. So my diskgroup for this purpose would have 1 disk from each SAN and the NFS votingdisk, in total 3 disks which I understand is necessary for hosting voting/ocr in a normal redundancy group.

But for my question: do i also have to setup extra OCR mirroring or would the ASM mirroring provided by the normal redundancy diskgroup suffice?

Thanks for any advice.

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Locked on Sep 14 2011

Added on Aug 17 2011

#performance-availability, #rac-asm-clusterware-installation

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