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From: "Bob Jones" <email@me.not>
Newsgroups: comp.databases.oracle.server
References: <fcuahu$i99$1@nnrp.ngi.it>
Subject: Re: Best fs for Oracle RAC
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"Andrea" <pincopallo@no.it> wrote in message 
news:fcuahu$i99$1@nnrp.ngi.it...
> Hi,
> we have been to value some types of Oracle RAC solutions in according to
> which filesystem to use on SAN in cluster environment with HP-UX (or
> Linux) platform.
> HP says that there are this options to choose (in order of
> importance):
>
> raw device
> oracle ASM
> OCFS  (only for linux)
> NFS in high avail.
>
> The our choice incline to ASM, because i think that this avoid problems
> with platform compatibility and for easier management of datafiles.
>
> I would like to know if there are some papers that explain these
> solutions of filesystem, also they defects.
> The products that we have to install are Oracle DB 10g with RAC.
>
>
> thanks.
> Andrea
>
>
>
>

Raw is the simplest and the most reliable option and if you are confident 
about performance, NFS is another choice.