perfSONAR User Q&A and Other Discussion

["David A. J. Ripley" <>]

It may have been something as simple as a PCI ID for newer cards not being 
recognized by the default driver, but I can tell you with absolute certainty, 
the connectx 3 didn't work out of the box. But... like I said, building it 
was easy.

(I'd give more specific details, but the server in question isn't online 
right now.)

D.

> On Feb 12, 2015, at 11:16 AM, Azher Mughal 
> <>
>  wrote:
> 
> Both CentOS 5 and 6 does come with Mellanox modules in the default
> kernels. Centos6:
> /lib/modules/2.6.32-504.8.1.el6.x86_64/kernel/drivers/net/mlx4/
> 
> However the drivers are old from 2011.
> 
> -Azher
> 
> On 2/12/2015 8:06 AM, David A. J. Ripley wrote:
>> We've found that Broadcom work well; as Szymon notes, they're very liberal 
>> about which optics and DACs they accept. One downside is that the current 
>> Linux drivers (at least in CentOS 6, the last time I looked) don't let you 
>> mess with interrupt coalescing, but that's not been a big issue. Myricom 
>> ConnectX-3 cards also work well, but (unless something has changed with 
>> recent updates) Centos6 doesn't support them out of the box. Building the 
>> driver isn't hard, though.
>> 
>> D.
>> 
>>> On Feb 12, 2015, at 10:39 AM, Szymon Trocha 
>>> <>
>>>  wrote:
>>> 
>>> W dniu 2015-02-12 o 15:43, Daniel Matthews pisze:
>>>> What 10GE NICs are most poplar these days? I am looking for a single 
>>>> port SFP+ NIC.
>>> Hi Dan,
>>> 
>>> Myricom and Broadcom were used in the community with success. The 
>>> advantage over Intel is that one could use general optics there without 
>>> any setting modifications.
>>> 
>>> Regards,
>>> 
>>> -- 
>>> Szymon Trocha
>>> 
>>> Poznań Supercomputing & Netw. Center ::: NETWORK OPERATION CENTER
>>> Tel. +48 618582022 ::: http://noc.man.poznan.pl
>> --
>> David A. J. Ripley
>> Indiana University GlobalNOC.
>> <>
>>  +1-812-855-5079
>> http://mypage.iu.edu/~daripley/daripley.pgp
>> 
>> 

--
David A. J. Ripley
Indiana University GlobalNOC.
<>
 +1-812-855-5079
http://mypage.iu.edu/~daripley/daripley.pgp