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Re: [nfsv4] New version of sparsedraft(draft-hildebrand-nfsv4-read-sparse-01.txt)

"Erasani, Pranoop" <Pranoop.Erasani@netapp.com> Sat, 02 October 2010 20:15 UTC

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Date: Sat, 02 Oct 2010 13:16:06 -0700
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Thread-Topic: [nfsv4] New version of sparsedraft(draft-hildebrand-nfsv4-read-sparse-01.txt)
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From: "Erasani, Pranoop" <Pranoop.Erasani@netapp.com>
To: "Matt W. Benjamin" <matt@linuxbox.com>
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Cc: Benny Halevy <bhalevy@panasas.com>, nfsv4@ietf.org
Subject: Re: [nfsv4] New version of sparsedraft(draft-hildebrand-nfsv4-read-sparse-01.txt)
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> -----Original Message-----
> From: Matt W. Benjamin [mailto:matt@linuxbox.com]
> Sent: Saturday, October 02, 2010 1:11 PM
> To: Erasani, Pranoop
> Cc: nfsv4@ietf.org; Dean Hildebrand; Benny Halevy
> Subject: Re: [nfsv4] New version of sparsedraft(draft-hildebrand-nfsv4-
> read-sparse-01.txt)
> 
> 
> ----- "Pranoop Erasani" <Pranoop.Erasani@netapp.com> wrote:
> 
> >
> > In pNFS, the MDS owns the metadata. If I may, I consider the hole
> > information metadata.
> > Having a DS send the metadata information does not seem like a right
> > semantic to me.
> > I'm not even sure, if MDS would like to share this data with DS.
> 
> If the system at hand happens to be organized in this way, sure.  

However, pNFS specification does not preclude it to be organized that way
And I think that makes it to be a strong consideration for any proposal.

- Pranoop

> The system I work with is not, and this approach seems much less natural,
> to me.

> 
> --
> 
> Matt Benjamin
> 
> The Linux Box
> 206 South Fifth Ave. Suite 150
> Ann Arbor, MI  48104
> 
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