Re: [nvme-fabrics]Fabrics over ROCEv2

On Jun 24, 2016, at 5:32 PM, Marta Rybczynska [off-list ref] wrote:



----- Le 24 Juin 16, à 15:40, Majd Dibbiny majd-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org a écrit :

quoted

quoted

On Jun 24, 2016, at 2:02 PM, Marta Rybczynska [off-list ref] wrote:

Hello Christoph,
Thanks for the answer. I do indeed have more general problems with
ROCEv2: ib_send_bw works fine for ROCEv1 but not with ROCEv2. I'm
going to follow with the Mellanox persons as it seems to be mlx4 or
configuration-related.

Hi Marta,

Do you run with RDMA-CM?
Can you please provide the command lines you use and the GIDs table?

Hello Majd,
Yes, it's using RDMA-CM. I have re-connected the network and the

This might be related to the fact that you need to configure the RDMA CM mode using configfs. (By default it's V1) 

machines have 
rebooted (unrelated panic) and now it's working fine. If I'm able to reproduce 
the problem, I will keep you updated.

Thanks for the help all,
Marta

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