[ewg] Is ofed-3.5 and 1.5.4.1 compatible?

[Jay Lan]

Hi Tziporet and Rupert,

Our installation is all 1.5.4.1 today and we want to put 3.5
on a group of nodes, so I asked the question. Thanks much
for the information!

Cheers,
Jay


On 03/20/2013 11:22 AM, Rupert Dance wrote:
> Hello all,
>
> I asked one of my engineers to do a few basic interoperability tests and
> here is what he reported:
>
> +++++++++++++++++++++
> I re-installed OFED-1.5.4.1 on one system and had OFED-3.5 on another and
> tried ping; sftp, ib_read_bw; ssh between the two systems. They all seem to
> work without a problem.
> ++++++++++++++++++++++
>
> This is far from exhaustive and I am sure there are features in 3.5 that are
> not supported in 1.5.4.1. But certainly IPoIB and basic RDMA operations seem
> to work well as did the OpenSM.
>
> Thanks
>
> Rupert
>
> -----Original Message-----
> From: Tziporet Koren [mailto:tziporet at mellanox.com]
> Sent: Wednesday, March 20, 2013 4:11 AM
> To: Jay Lan; OpenFabrics EWG; Rupert Dance
> Subject: RE: [ewg] Is ofed-3.5 and 1.5.4.1 compatible?
>
> Verbs are not the same since in 1.5.4.1 we had XRC support in user space.
> Regarding protocols - IPoIB should be the same Not sure if it was tested.
>
> Maybe Rupert can tell
>
> Tziporet
>
> -----Original Message-----
> From: ewg-bounces at lists.openfabrics.org
> [mailto:ewg-bounces at lists.openfabrics.org] On Behalf Of Jay Lan
> Sent: Wednesday, March 20, 2013 2:25 AM
> To: OpenFabrics EWG
> Subject: [ewg] Is ofed-3.5 and 1.5.4.1 compatible?
>
> Hi,
>
> Would it work if I connect 1.5.4.1 nodes and 3.5 nodes to same fabrics?
> Is there any change at protocol level that may break compatibility?
>
> Thanks,
> Jay
>
>
>
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