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Re: [nfsv4] [FedFS] Meeting Minutes, 9/30/2010

Trond Myklebust <trond.myklebust@fys.uio.no> Thu, 30 September 2010 21:37 UTC

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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: James Lentini <jlentini@netapp.com>
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Date: Thu, 30 Sep 2010 17:37:51 -0400
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Cc: nfsv4@ietf.org
Subject: Re: [nfsv4] [FedFS] Meeting Minutes, 9/30/2010
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On Thu, 2010-09-30 at 17:33 -0400, James Lentini wrote:
> 
> On Thu, 30 Sep 2010, Chuck Lever wrote:
> > Some convention for the NFS server's reply in this case should be 
> > agreed upon outside of the ongoing FedFS discussion.
> 
> I think another way to phrase this question is: How does an NFS server 
> indicate that a file system has moved to an unknown location? One 
> obvious possibility is to return a zero element locations array in the 
> fs_locations structure.

NFS4ERR_STALE is the usual response. If you don't know where the
filesystem was migrated to, then what you have is not a migration event.
It is an unexport of the partition.

Cheers
  Trond

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