[pnfs] Linux pNFS road map

[Muntz, Daniel]

As currently implemented, the MDS would have to access the file system
via NFS.  Without a cluster back-end, this may be the only way to do it
for the forseeable future.  Otherwise, you'd need some other non-NFS
file system that understood how to speak pNFS, and I'm not sure there'd
be much value added to spNFS by such a feature.  Something to think
about...

-----Original Message-----
From: J. Bruce Fields [mailto:bfields at fieldses.org] 
Sent: Tuesday, December 11, 2007 1:08 PM
To: Muntz, Daniel
Cc: pnfs at linux-nfs.org; peter honeyman
Subject: Re: [pnfs] Linux pNFS road map

On Tue, Dec 11, 2007 at 01:00:58PM -0800, Muntz, Daniel wrote:
> Yes, there's a bunch of stuff happening in userspace in the current 
> implementation.  Some (most, all?) will move into the kernel.  The 
> existing userspace design was done primarily to get something out 
> quickly, which we could also modify/debug easily.  There's pleanty of 
> stuff on the todo list, which we'll put out with the code RSN.

Sure.

Another random question: do you expect the "filesystem" you're exporting
to ever be usable by applications on the server?  (Without doing a
loopback NFS mount, that is).

--b.
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