Re: [PATCH 10/18] nfsd: implement pNFS layout recalls

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On Tue, Jan 06, 2015 at 06:42:14PM +0100, Christoph Hellwig wrote:
> > This bothers me a little: cl_addr is just the address that the
> > exchange_id came from.  In theory there's no one-to-one relationship
> > between NFSv4 clients and IP addresses.  Is it likely the iscsi traffic
> > could use a different interface than the MDS traffic?
> > 
> > If this is the best we can do, then maybe this should at least be
> > documented.
> 
> The pNFS block fencing protocol bothers me a lot, it seems like very
> little thought went into that part of the standard.
> 
> I proposed a new SCSI layout type that fixes those issues on the
> NFSv4 WG list, but there's been zero interest in it:
> 
> http://www.ietf.org/mail-archive/web/nfsv4/current/msg13469.html
> 

I don't know if I would say zero interest or normal apathy on the
NFSv4 WG list to replying outside of the IETF meeting venue.

I'd certainly like to see it go forward.

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