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From: Benny Halevy <bhalevy@tonian.com>
Date: Wed, 11 Jan 2012 09:44:00 +0200
Message-ID: <CAEMWVhvaNOENPC2jRMB7zuP4ScsNmp5BMfXYmnFL71_N-4D0Rw@mail.gmail.com>
Subject: Re: [LSF/MM TOPIC] [ATTEND] linux-pnfs server implementations
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Boaz Harrosh <bharrosh@panasas.com>, lsf-pc@lists.linux-foundation.org,
        linux-fsdevel@vger.kernel.org, NFS list <linux-nfs@vger.kernel.org>,
        "J. Bruce Fields" <bfields@redhat.com>
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Sender: linux-nfs-owner@vger.kernel.org

On Mon, Jan 9, 2012 at 9:25 PM, J. Bruce Fields <bfields@fieldses.org> wrote:
> On Mon, Jan 09, 2012 at 02:49:32PM +0200, Boaz Harrosh wrote:
>> On 12/25/2011 06:30 AM, Benny Halevy wrote:
>> > Now that the client side of pnfs is in the mainline kernel
>> > I believe it is time to consider the inclusion of the server side.
>
> We're also closing in on the basic 4.1 todo's, so I agree that it will
> soon be time to talk about merging server-side pNFS.
>
>> > I propose the following agenda for discussion
>> > (order may change with no advance notice :)
>> >
>> > * What's currently available in git://linux-nfs.org/~halevy/linux-pnfs.git
>> > ? - What are the sub-projects
>> > ? - How they relate to each other
>> >
>> > * High-level design of the implementation
>> >
>> > * Summary of generic changes in nfsd
>> >
>> > * For each of the different sub-projects, briefly present:
>> > ? - What does it do
>> > ? - Benefits and Potential
>> > ? - Limitations
>> > ? - Status
>> > ? - To-do
>> >
>> > * Prerequisites for inclusion
>
> Understood that it may depend on where things stand in April, but: what
> specifically do you think will be likely to require the attention of a
> wider group of linux filesystem developers (ass opposed to just nfs
> developers)?

I have nothing specific at this time. My thinking was to present the
what's and why's
of the prerequisites in high level and maybe provide an example.

Benny

>
> --b.
>
>> > * Discussion
>> >
>>
>> Me too! This subject is close to my heart, as exofs is the most
>> complete and advanced pNFSD base implementation. Last testing
>> has demonstrated amazing performance and scalability. Saturating
>> 10G from a single client and saturating 4*10G storage cluster
>> from multiple clients.(Though there were problems with too many
>> clients)