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Former Member
Feb 23, 2009 at 11:27 PM

Oracle RAC for SAP on Linux and OCFS

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We are going to be installing SAP with Oracle 10.2.0.4 RAC on Linux RHEL 5.2 and OCFS. The Oracle RAC documentation states:

You must store the following components in the cluster file system when you use RAC

in the SAP environment:

- Oracle Clusterware (CRS) Home

- Oracle RDBMS Home

- SAP Home (also /sapmnt)

- Voting Disks

- OCR

- Database

I'm curious about the requirement of installing the Oracle Home on shared clustered filesystem. In other RAC installations I've built, I installed the binaries on local filesystems on each node. This is to facilitate the concept of rolling patches. With the SAP's requirement, it appears rolling patches are out of the question. Can someone enlighten me on why SAP requires the Oracle Home reside on shared filesystem.

Thanks