[Lustre-discuss] Lustre-discuss Digest, Vol 40, Issue 24

[Yujun Wu]

Hello Brian,

Thanks for your info. This is what I am doing right now---
probably the easy way to use more lustre clients. I am 
thinking if there is a way to reduce the local traffic. 
Maybe not at the moment.


Regards,
Yujun
On Fri, 22 May 2009 lustre-discuss-request at lists.lustre.org wrote:
> 
> Message: 4
> Date: Fri, 22 May 2009 11:32:11 -0400
> From: "Brian J. Murrell" <Brian.Murrell at Sun.COM>
> Subject: Re: [Lustre-discuss] gridftp and Lustre
> To: lustre-discuss at lists.lustre.org
> Message-ID: <1243006331.8331.98.camel at pc.interlinx.bc.ca>
> Content-Type: text/plain; charset="us-ascii"
> 
> On Fri, 2009-05-22 at 11:24 -0400, Yujun Wu wrote:
> > Hello,
> 
> Hi,
> 
> > remote client---->gridftp server--->Lustre OSS
> > 
> > And the gridftp server is busy with receiving and sending packets
> > all the time.
> 
> Is it so busy that it is unable to push the Lustre servers to full
> capacity?
> 
> > Is there a way for the control info goes to gridftp 
> > server, but the data go to Lustre OSS directly?
> 
> No.  All access to the Lustre servers have to go through a Lustre
> client.
> 
> It sounds like you need to scale up with more Lustre clients (aka
> gridftp servers).  Whether gridftp as a service supports growth through
> parallelization or not, I have no idea.  Typically with services that
> don't, something like round-robin DNS can be used to spread load.  Other
> techniques can be used to make an IP service that is not natively
> parallel provide parallel access.
> 
> b.