[ofa-general] scp performance over IPoIB

[Scott Weitzenkamp (sweitzen)]

Mixed config should be OK.

Scott 

> -----Original Message-----
> From: Nathan Dauchy [mailto:Nathan.Dauchy at noaa.gov] 
> Sent: Wednesday, September 12, 2007 3:09 PM
> To: Scott Weitzenkamp (sweitzen); general
> Cc: Sufficool, Stanley; Arlin Davis
> Subject: Re: [ofa-general] scp performance over IPoIB
> 
> Scott Weitzenkamp (sweitzen) wrote:
> > What does "cat /sys/class/net/ib0/mode" report?  If 
> "datagram", you need
> > to run "echo connected >  /sys/class/net/ib0/mode", then 
> you can raise
> > the MTU.
> > 
> > Scott Weitzenkamp
> > SQA and Release Manager
> > Server Virtualization Business Unit
> > Cisco Systems
> 
> Do ALL the nodes on the IB network have to be run in 
> connected mode?  Or
> is a mixed configuration supported?
> 
> On ethernet, I have generally run into problems where mis-matched MTU
> settings caused problems.  Is this the case on Infiniband?
> 
> Thanks,
> Nathan
>