[Lustre-discuss] Using NFS to mount lustre

[E.S. Rosenberg]

On Fri, Jun 21, 2013 at 7:51 PM, White, Cliff <cliff.white at intel.com> wrote:
> From: Teik Hooi Beh <thbeh at thbeh.com<mailto:thbeh at thbeh.com>>
> Date: Friday, June 21, 2013 1:29 AM
> To: Parinay Kondekar <parinay_kondekar at xyratex.com<mailto:parinay_kondekar at xyratex.com>>
> Cc: "lustre-discuss at lists.lustre.org<mailto:lustre-discuss at lists.lustre.org>" <lustre-discuss at lists.lustre.org<mailto:lustre-discuss at lists.lustre.org>>
> Subject: Re: [Lustre-discuss] Using NFS to mount lustre
>
> Thanks for the pointer.
>
> Just a quick question, will the performance suffer since we have to add another NFS layer to the lustre client?
>
> To be clear, you cannot export Lustre via NFS from Lustre servers. You re-export the Lustre filesystem from a Lustre client node.
> Essentially, you turn one client into an NFS server.
> So, the bottleneck in performance is that all NFS traffic must come from that node, and you are limited to the single-node network bandwidth, instead of streaming parallel IO from all servers with the native Lustre client.  In a small setup such as you describe you will likely not see any performance impact.
> Cliffw
I may be wrong, but would there be any difference what so ever for the
OP between using a lustre as a backend and just setting up an NFS
server on a *nix box with some storage attached?
Regards,
ELi
>
>
> Regards
> Beh
>
>
> On Fri, Jun 21, 2013 at 4:07 PM, Parinay Kondekar <parinay_kondekar at xyratex.com<mailto:parinay_kondekar at xyratex.com>> wrote:
> Lustre files can be re-exported using NFS .
>
> >From the presentation by Oleg in Lug-2008 ( http://wiki.lustre.org/images/d/da/LUG08-Lustre-NFS.pdf )
>
> Lustre is a normal local fs from NFS perspective Just add an entry to /etc/export on lustre client/NFS server
>
> give it try.
>
> Hope that helps.
> parinay
>
>
> On 21 June 2013 09:27, Teik Hooi Beh <thbeh at thbeh.com<mailto:thbeh at thbeh.com>> wrote:
> Hi,
>
> I have just recently started to test Lustre and even with a small 2 nodes deployment, I find the performance is outstanding on 1Gb networking.
>
> I was trying to search through the list for anything that could help me to mount using NFS protocol but could not find anything.
>
> Is that possible or have anyone done that before? I am in particular interested if anyone have use Lustre with VMware. I am currently testing on 2.1.5.
>
> Thanks in advance.
>
> Regards
> Beh
>
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