[ofa-general] scp performance over IPoIB

[Nathan Dauchy]

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