Re: NFS on a 10g RAC cluster

There is a problem with nfs server on cluster, unless the filesystem is a clustered file system--like gnbd+gfs on linux.

Think of this scenario: you export /mnt/fs1 from serverA. In the event of failover, you want to export that file system from Server B. To do this, server B should be connected to the same storage; in the event of failover, one should import dg, then start the volume, then mount that /dev/vx/dsk on /mnt/fs1, then export that file system. In the process, you need to up a virtual interface with serverA on serverB. These are the quirks you need to work out.

On Dec 10, 2007 11:16 AM, Crisler, Jon <Jon.Crisler_at_usi.com> wrote:
> I have a need to host a NFS server, and my internal customer wants to
> use their AIX 10g RAC cluster for this. Currently this cluster uses ASM
> to SAN for db storage, and some SAN storage connected as local
> filesystem (JFS2) drives.
>
> I am not NFS savvy at all. Is there a way to configure the RAC servers
> to host the NFS mounts, and have them failover (automatic or manual) to
> the other server? We are trying to make the NFS hosting as robust as
> possible. We also do not have GPFS (IBM's clustering file system). If
> this was Linux, we could possibly use OCFS2 and mount that, but as far
> as sharing via NFS and failover I don't know if that would work.
>
> Any suggestions ?
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