• How do I add the Dell OpenManage tools to a Bright 9.2 Ubuntu 22.04 headnode?

    • December 28, 2022
    • Simon Brennan

    Installation instructions are available in the Dell OpenManage repositories. Dell OpenManage Repository The following example will install OpenManage version 11 on an Ubuntu 22.04 headnode.  apt-get install gpg libssl-dev echo ‘deb http://linux.dell.com/repo/community/openmanage/11000/jammy jammy main’ | sudo tee -a /etc/apt/sources.list.d/linux.dell.com.sources.list apt-get update sudo wget https://linux.dell.com/repo/pgp_pubkeys/0x1285491434D8786F.asc sudo apt-key add 0x1285491434D8786F.asc apt update…

  • Configuring Nvidia Bright Cluster Manager as an Infiniband-only cluster

    • November 2, 2022
    • Simon Brennan

    Caveats This information is valid at the time of writing (9.2-6 release). Currently, the installation of a cluster requires an ethernet interface, configured as “internalnet”. This is needed to generate a valid license file and associated certificates. Selecting Infiniband-only interfaces in the Bright Installer at the “Head node interfaces” step…

  • Deploying NICE DCV on a Bright cluster

    • June 24, 2021
    • Simon Brennan

    This article discusses deploying a NICE DCV server on Bright managed compute nodes.We recommend reviewing the excellent third-party NICE DCV upstream documentation, which is available here: NICE DCV (amazon.com) Before we start… This article doesn’t seek to replace the upstream documentation, rather details the integration with Bright Cluster Manager. This…

  • Enabling Kdump (RHEL/CentOS)

    • May 12, 2021
    • Simon Brennan

    You can use the below instructions to configure kdump on a Bright managed cluster. These instructions should work on RHEL/CentOS 7 and 8. 1. Install required packages Install the kexec-tools in the software image:# yum install kexec-tools –installroot=/cm/images/<image-name> 2. Modify the software image Configure the software image to allow crashkernel…

  • Troubleshooting provisioning issues on a system with SuperMicro BMC

    • May 5, 2021
    • Simon Brennan

    Please note this article shouldn’t replace the need to contact your vendor for guidance on hardware issues. Here are some steps that may assist in resolving provisioning issues with SuperMicro BMCs. Is the system running the latest BMC firmware? Check the vendor website. Have you attempted a BMC reset? “ipmitool…

  • Is it possible to clone the primary headnode from the secondary in an HA cluster?

    • April 22, 2021
    • Simon Brennan

    Important note: This process is generally used to recover a primary headnode from a failure state (filesystem corruption for example). This process doesn’t replace a good backup regime. If you intend to use this process to recover a primary headnode, we recommend contacting Bright Support first so we may assess…

  • How do I disable the Shorewall firewall on the headnode?

    • November 12, 2020
    • Simon Brennan

    *Please note:* Shorewall provides a NAT Masquerade rule that allows the compute nodes to access networks that are outside the cluster via the headnode. If you are okay with the compute nodes not having access to external networks or aren’t using the headnode as the default gateway for the compute…

  • Can I use Rufus to create a bootable USB drive?

    • October 20, 2020
    • Simon Brennan

    We recommend not using Rufus to create a bootable USB drive from the Bright ISO.Rufus changes the ISO Hybrid disk format which results in the Bright installer failing at the rootfs part of the Bright installer.

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