Hi Fernando,
The issue occurred to me a few days ago. To mitigate this I
      performed the following
    
rpm -e --nodeps mlnx-ofa_kernel
      yum install http://resources.ovirt.org/pub/yum-repo/ovirt-release42.rpm
This was a side effect of HP repositories we used in the passed to install hpssacli and stuff.
HTH
    
      Team,
This just started happening.
Error: Package: ovirt-host-4.2.3-1.el7.x86_64 (@ovirt-4.2)
           Requires: glusterfs-rdma
           Removing: glusterfs-rdma-3.12.15-1.el7.x86_64 (@ovirt-4.2-centos-gluster312)
               glusterfs-rdma = 3.12.15-1.el7
           Obsoleted By: mlnx-ofa_kernel-4.3-OFED.4.3.1.0.1.1.g8509e41.3.rhel7u4.x86_64 (spp)
               Not found
           Available: glusterfs-rdma-3.8.4-53.el7.centos.x86_64 (base)
               glusterfs-rdma = 3.8.4-53.el7.centos
           Available: glusterfs-rdma-3.8.4-54.15.el7.centos.x86_64 (updates)
               glusterfs-rdma = 3.8.4-54.15.el7.centos
           Available: glusterfs-rdma-3.12.0-1.el7.x86_64 (ovirt-4.2-centos-gluster312)
I cant seem to update. Any ideas why this is happening?
Regards,
    
    -- Met vriendelijke groeten, Valentin Bajrami Target Holding