I don't know if you can just remove the gluster-rdma rpm.

I'm using mlnx ofed on some 4.4 ovirt node hosts by installing it via the
mellanox tar/iso and
running the mellanox install script after adding the required dependencies
with --enable-repo,
which isn't the same as adding a repository and 'dnf install'.  So I would
try that on a test host.

I use it for the 'virtual infiniband' interfaces that get attached to VMs
as 'host device passthru'.

I'll note the node versions of gluster are 7.8 (node 4.4.4.0/CentOS8.3) and
7.9 (node 4.4.4.1/CentOS8.3).
unlike your glusterfs version 6.0.x

I'll be trying to install mellanox ofed on node 4.4.7.1 (CentOS 8 stream)
soon to see how that works out.



On Wed, Aug 4, 2021 at 10:04 PM Vinícius Ferrão via Users <users@ovirt.org>
wrote:

> Hello,
>
> Is there a way to keep Mellanox OFED and oVirt/RHV playing nice with each
> other?
>
> The real issue is regarding GlusterFS. It seems to be a Mellanox issue,
> but I would like to know if there's something that we can do make both play
> nice on the same machine:
>
> [root@rhvepyc2 ~]# dnf update --nobest
> Updating Subscription Management repositories.
> Last metadata expiration check: 0:14:25 ago on Wed 04 Aug 2021 02:01:11 AM
> -03.
> Dependencies resolved.
>
>  Problem: both package mlnx-ofed-all-user-only-5.4-1.0.3.0.rhel8.4.noarch
> and mlnx-ofed-all-5.4-1.0.3.0.rhel8.4.noarch obsolete glusterfs-rdma
>   - cannot install the best update candidate for package
> glusterfs-rdma-6.0-49.1.el8.x86_64
>   - package ovirt-host-4.4.7-1.el8ev.x86_64 requires glusterfs-rdma, but
> none of the providers can be installed
>   - package mlnx-ofed-all-5.4-1.0.3.0.rhel8.4.noarch obsoletes
> glusterfs-rdma provided by glusterfs-rdma-6.0-49.1.el8.x86_64
>   - package glusterfs-rdma-3.12.2-40.2.el8.x86_64 requires
> glusterfs(x86-64) = 3.12.2-40.2.el8, but none of the providers can be
> installed
>   - package glusterfs-rdma-6.0-15.el8.x86_64 requires glusterfs(x86-64) =
> 6.0-15.el8, but none of the providers can be installed
>   - package glusterfs-rdma-6.0-20.el8.x86_64 requires glusterfs(x86-64) =
> 6.0-20.el8, but none of the providers can be installed
>   - package glusterfs-rdma-6.0-37.el8.x86_64 requires glusterfs(x86-64) =
> 6.0-37.el8, but none of the providers can be installed
>   - package glusterfs-rdma-6.0-37.2.el8.x86_64 requires glusterfs(x86-64)
> = 6.0-37.2.el8, but none of the providers can be installed
>   - cannot install both glusterfs-3.12.2-40.2.el8.x86_64 and
> glusterfs-6.0-49.1.el8.x86_64
>   - cannot install both glusterfs-6.0-15.el8.x86_64 and
> glusterfs-6.0-49.1.el8.x86_64
>   - cannot install both glusterfs-6.0-20.el8.x86_64 and
> glusterfs-6.0-49.1.el8.x86_64
>   - cannot install both glusterfs-6.0-37.el8.x86_64 and
> glusterfs-6.0-49.1.el8.x86_64
>   - cannot install both glusterfs-6.0-37.2.el8.x86_64 and
> glusterfs-6.0-49.1.el8.x86_64
>   - cannot install the best update candidate for package
> ovirt-host-4.4.7-1.el8ev.x86_64
>   - cannot install the best update candidate for package
> glusterfs-6.0-49.1.el8.x86_64
>
> =============================================================================================================================================================
>  Package                            Architecture            Version
>                    Repository
>   Size
>
> =============================================================================================================================================================
> Installing dependencies:
>  openvswitch                        x86_64
> 2.14.1-1.54103                    mlnx_ofed_5.4-1.0.3.0_base
>                 17 M
>  ovirt-openvswitch                  noarch                  2.11-1.el8ev
>                     rhv-4-mgmt-agent-for-rhel-8-x86_64-rpms
>   8.7 k
>      replacing  rhv-openvswitch.noarch 1:2.11-7.el8ev
>  unbound                            x86_64                  1.7.3-15.el8
>                     rhel-8-for-x86_64-appstream-rpms
>  895 k
> Skipping packages with conflicts:
> (add '--best --allowerasing' to command line to force their upgrade):
>  glusterfs                          x86_64
> 3.12.2-40.2.el8                   rhel-8-for-x86_64-baseos-rpms
>                 558 k
>  glusterfs                          x86_64                  6.0-15.el8
>                     rhel-8-for-x86_64-baseos-rpms
>   658 k
>  glusterfs                          x86_64                  6.0-20.el8
>                     rhel-8-for-x86_64-baseos-rpms
>   659 k
>  glusterfs                          x86_64                  6.0-37.el8
>                     rhel-8-for-x86_64-baseos-rpms
>   663 k
>  glusterfs                          x86_64                  6.0-37.2.el8
>                     rhel-8-for-x86_64-baseos-rpms
>   662 k
> Skipping packages with broken dependencies:
>  glusterfs-rdma                     x86_64
> 3.12.2-40.2.el8                   rhel-8-for-x86_64-baseos-rpms
>                  49 k
>  glusterfs-rdma                     x86_64                  6.0-15.el8
>                     rhel-8-for-x86_64-baseos-rpms
>    46 k
>  glusterfs-rdma                     x86_64                  6.0-20.el8
>                     rhel-8-for-x86_64-baseos-rpms
>    46 k
>  glusterfs-rdma                     x86_64                  6.0-37.2.el8
>                     rhel-8-for-x86_64-baseos-rpms
>    48 k
>  glusterfs-rdma                     x86_64                  6.0-37.el8
>                     rhel-8-for-x86_64-baseos-rpms
>    48 k
>
> Transaction Summary
>
> =============================================================================================================================================================
> Install   3 Packages
> Skip     10 Packages
>
> Total size: 18 M
> Is this ok [y/N]:
>
> I really don't care for GlusterFS on this cluster, but Mellanox OFED is
> much more relevant do me.
>
> Thank you all,
> Vinícius.
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