Limitations

  • Omnia supports adding only 1000 nodes when discovered via BMC.

  • Dell Technologies provides support to the Dell-developed modules of Omnia. All the other third-party tools deployed by Omnia are outside the support scope.

  • In a single node cluster, the login node and Slurm functionalities are not applicable.

  • Omnia does not currently support Slurm on Ubuntu.

  • Containerized benchmark job execution is not supported on Slurm clusters.

  • FreeIPA server is not provided in the default Ubuntu repositories. OpenLDAP is provided as an alternative.

  • Only one storage instance (PowerVault) is currently supported in the HPC cluster.

  • All iDRACs must have the same username and password.

  • Currently, Omnia only supports the splitting of switch ports. Switch ports cannot be un-split using the switch configuration script.

  • The IP subnet 10.4.0.0 cannot be used for any networks on the Omnia cluster as it is reserved for Nerdctl.

  • Installation of vLLM and racadam via Omnia is not supported on Ubuntu 20.04.

  • The “desktop image” version of Ubuntu is not supported on the OIM.

If you have any feedback about Omnia documentation, please reach out at omnia.readme@dell.com.