[ofa-general] RE: [ewg] questions about OFED 1.2 IPoIB bonding

[Scott Weitzenkamp (sweitzen)]

I was using default netperf params, throughput is stable now that I use
-- -s 349520 -S 349520 -m 65536 to force socket buffer and message
sizes.

Scott 

> -----Original Message-----
> From: Or Gerlitz [mailto:ogerlitz at voltaire.com] 
> Sent: Thursday, April 12, 2007 4:54 AM
> To: Moni Shoua
> Cc: Scott Weitzenkamp (sweitzen); Moni Levy; 
> ewg at lists.openfabrics.org; openib; Pnina Bruskin
> Subject: Re: [ewg] questions about OFED 1.2 IPoIB bonding
> 
> Moni Shoua wrote:
> > Scott Weitzenkamp (sweitzen) wrote:
> 
> >> 1) IPoIB bonding and IPoIB CM do seem to work together, but after
> >> running ib-bond --bond-ip, I have to manually reconfigure 
> IPoIB CM (both
> >> mode and mtu) again, then increase the bond0 mtu.  It 
> would be nice if
> >> ib-bond took care of this for me.
> 
> > I haven't had a chance yet to test bonding with IPoIB-CM. 
> I'll look into it and try to
> > fix what's needed.
> 
> I have tried this (bonding ipoib devices whose mode is 
> connected and mtu 
> is 65520) and indeed the bond and slaves mtu becomes lower 
> but the mode 
> does not change.
> 
> >> 5) I've seen some erratic throughput with netperf using bond0 (no
> >> failover happening), have you seen this?  For example:
> 
> > Can you add please more details about the test environment? 
> OS, ARCH, HW, etc...
> 
> can you provide the exact --netperf command line-- you were using.
> 
> thanks,
> 
> Or.
>