[lustre-discuss] Rocky 9.2/lustre 2.15.3 client questions

[Mark Dixon]

Hi Christopher,

Not an exact match, but we've seen problems running Vasp on a 2.15.x 
client against 2.12.6 servers. It can get in quite a tangle, to the point 
that other clients cannot "ls -l" the Vasp working directory.

Don't know (yet) if it's also true of 2.12.9.

Best,

Mark

On Fri, 23 Jun 2023, Mountford, Christopher J. (Dr.) via lustre-discuss wrote:

> [EXTERNAL EMAIL]
>
> Hi,
>
> I'm building the lustre client/kernel modules for our new HPC cluster and have a couple of questions:
>
> 1) Are there any known issues running lustre 2.15.3 clients and lustre 2.12.9 servers? I haven't seen anything showstopping on the mailing list or in JIRA but wondered if anyone had run into problems.
>
> 2) Is it possible to get the dkms kernel rpm to work with Rocky/RHEL 9.2? If I try to install the lustre-client-dkms rpm I get the following error:
>
> error: Failed dependencies:
>        /usr/bin/python2 is needed by lustre-client-dkms-2.15.3-1.el9.noarch
>
> - Not surprisingly as I understand that python2 is not available for rocky/rhel 9
>
> I see there is a patch for 2.16 (from LU-16626). Not a major problem as I can build kmod-lustre-client rpms for our kernel/ofed, but I would prefer to use dkms if possible.
>
> Kind Regards,
> Christopher.
>
> ------------------------------------
> Dr. Christopher Mountford,
> System Specialist,
> RCS,
> Digital Services.
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