[lustre-discuss] Building Lustre against Mellanox OFED

[Paul Edmon]

Just for public reference the solution was provided by Martin Audet 
which was to add the --kmp flag when building MOFED. So you want:

mlnxofedinstall --add-kernel-support-build-only --kmp

Thanks Martin!

-Paul Edmon-

On 3/16/24 5:28 AM, Andreas Dilger wrote:
> On Mar 15, 2024, at 09:18, Paul Edmon via lustre-discuss 
> <lustre-discuss at lists.lustre.org> wrote:
>>
>> I'm working on building Lustre 2.15.4 against recent versions of 
>> Mellanox OFED. I built OFED against the specific kernel and then 
>> install mlnx-ofa_kernel-modules for that specific kernel. After which 
>> I built lustre against that version of OFED using:
>>
>> rpmbuild --rebuild --without servers --without mpi --with mofed 
>> --define "_topdir `pwd`" SRPMS/lustre-2.15.4-1.src.rpm
>>
>> However once I finish building and install I get:
>>
>> Error: Transaction test error:
>>   file /etc/depmod.d/zz01-mlnx-ofa_kernel-mlx_compat.conf from 
>> install of 
>> kmod-mlnx-ofa_kernel-23.10-OFED.23.10.2.1.3.1.rhel8u9.x86_64 
>> conflicts with file from package 
>> mlnx-ofa_kernel-modules-23.10-OFED.23.10.2.1.3.1.kver.4.18.0_513.18.1.el8_9.x86_64.x86_64
>>
>> I saw this earlier message which matches my case: 
>> http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/2020-December/017407.html 
>> But no resolution.
>>
>> Does anyone know the solution to this? Is there a work around?
>
> You probably need to "rpm -Uvh" instead of "rpm -ivh" the new 
> kmod-mlnx-ofa_kernel RPM?
>
> Or, if you want to keep both RPMs installed (e.g. for different 
> kernels) then you can probably just use "--force" since it looks like 
> the .conf file would likely be the same from both packages.
>
> Cheers, Andreas
> --
> Andreas Dilger
> Lustre Principal Architect
> Whamcloud
>
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