[openib-general] Performance Degradation with OFED v. Voltaire(lustre)

[Bernadat, Philippe]

I have tried both fiexs, none of these  improve performance ... 
Let me check the number of packets again.

Philippe 

> -----Original Message-----
> From: Or Gerlitz [mailto:ogerlitz at voltaire.com] 
> Sent: Monday, December 18, 2006 2:03 PM
> To: Bernadat, Philippe
> Cc: Hal Rosenstock; Eitan Zahavi; Roland Dreier; 
> openib-general at openib.org
> Subject: Re: [openib-general] Performance Degradation with 
> OFED v. Voltaire(lustre)
> 
> Bernadat, Philippe wrote:
> > 3) Is there a way to change the MTU from within the lustre 
> LND kernel
> > module. I saw that the IB perf programs did this with the 
> modify_qp()
> > APIs.
> 
> yes, go to the place where the lustre NLD active side gets 
> RDMA_CM_EVENT_ROUTE_RESOLVED event on its rdma cm id and then set
> 
> 	lustre_id->route->path_rec->mtu = IB_MTU_1024;
> 
> Or.
> 
> 
> 
>