[Gluster-users] RDMA support in gluster 9

[Schlick Rupert]

@saju:
thank you for the clarification. I’ll add my two cents in the discussion.

What surprises me still is that I cannot find the removal of this feature in any user accessible documentation. If I missed it somehow, please let me know where to look.
There is nothing in the change information, release notes or upgrade guide of gluster 8.

The transport option is still documented as available and accepted by the CLI.

If you try to use it,  it just fails with a message in the brick log that rdma.so is missing.

Best
Rupert

Von: Saju Mohammed Noohu <sajmoham at redhat.com>
Gesendet: Montag, 22. Februar 2021 10:34
An: Schlick Rupert <Rupert.Schlick at ait.ac.at>
Cc: gluster-users at gluster.org
Betreff: Re: [Gluster-users] RDMA support in gluster 9

@Rupert - RDMA is being discussed here<https://github.com/gluster/glusterfs/issues/2000> . Please feel free to pitch in.
                  It has been dropped from release 8 onwards.

Thanks
Saju



On Mon, Feb 22, 2021 at 1:24 PM Schlick Rupert <Rupert.Schlick at ait.ac.at<mailto:Rupert.Schlick at ait.ac.at>> wrote:
Dear List!

For choosing glusterfs for starting our small GPU cluster (just building it up now), one reason was native support for infiniband connections.

When setting up a volume with transport rdma in gluster 9, it just does not work and rdma.so is shown to be missing in the brick log.

Asking back if this is an issue of the ppa packaging for ubuntu, I learned that rdma support was supposedly dropped in gluster 9. (https://github.com/gluster/glusterfs-debian/issues/48)

Were any of you aware of this? I would have expected a dropped feature to show up in the change list of a release and getting a warning on the user interface if I use a deprecated feature.

I’m also surprised since RDMA/Infiniband support is a feature that is “advertised” in many places.

Best
Rupert
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