On 2012-12-20T08:55:06, Ulrich Windl <[email protected]> wrote:
> > > 11.5.3.2. Mounting NFS Volumes Locally on the Exporting Server
> > >
> > > Mounting NFS volumes locally on the exporting server is not supported on
> > > SUSE Linux Enterprise systems, as it is the case on all Enterprise class
> > > Linux systems.
> > > ---
> >
> > That's a generic SLES question; I suggest using the SLES online forum
> > (forums.suse.com) for this or support.
>
> I guess the typical forum user will ask me why I won't mount the file system
> directly on the node instead of using the NFS server to export it, and the
> NFS client to import (mount) it ;-)
>
> Only in cluster scenarios you'll have that configuration.
I dug this out from our bugzilla. There are cache races associated with
this configuration that make it impossible to generally support it.
There was a discussion to support it for limited scenarios (e.g., SAP
deployments), but the best practices have been changed to not suggest
such a cross-mount any more, but have an external NFS server.
If you want to discuss this with Michael further, he can look it up in
bug 778116. But the limitation is imposed on the cluster folks by the
core OS/VM.
Regards,
Lars
--
Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB
21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
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