[Pvfs2-users] NFS trouble

[dean hildebrand]

Hey Murali,

Yeah, just a thought.  Oh well.  NFSD does a lot of checking with
regards to export settings which can drastically change behavior.

Dean

On 9/21/07, Murali Vilayannur <murali.vilayannur at gmail.com> wrote:
> Dean,
> I don't think this will have any effect.
> NFSd makes use of a set of vfs APIs which invoke appropriate FS driver
> callbacks.
> NFSd settings won't have any effect on the behavior of the vfs api's though.
> thanks,
> Murali
>
> On 9/21/07, Dean Hildebrand <seattleplus at gmail.com> wrote:
> > One thing to check is how you are exporting PVFS2.  The "correct" way is
> > to export synchronously, since exporting a file system asynchronously
> > gives no integrity guarantees. cat /etc/exports  to see how you are
> > exporting pvfs2.  I don't know if this affects nfsd using aio or not
> > though...
> >
> > Dean
> >
> > Emmanuel Florac wrote:
> > > Le Fri, 21 Sep 2007 07:08:51 -0700
> > > "Murali Vilayannur" <murali.vilayannur at gmail.com> écrivait:
> > >
> > >
> > >> I did not realize that there is a need or use case for nr_segs > 1.
> > >>
> > >
> > > Mmmh... Shouldn't "the right behaviour" be falling back ( even
> > > silently ) to synchronous IO instead of rejecting the whole IO ? Would
> > > it be difficult to do ? I'll look into this :)
> > >
> > >
> >
> >
> > _______________________________________________
> > Pvfs2-users mailing list
> > Pvfs2-users at beowulf-underground.org
> > http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
> >
>