About: This article contains Kubernetes resource quota examples for limiting GPU usage per namespace. For further information on setting resources quotas against namespaces in Kubernetes: https://kubernetes.io/docs/concepts/policy/resource-quotas/#viewing-and-setting-quotas Applying a resource quota In this example, we have the user “john” who has a Kubernetes namespace called “john-restricted”. In order to define limits…
About: This article contains Ansible code examples for implementing the Bright Computing Galaxy module. https://galaxy.ansible.com/brightcomputing Requirements: These instructions have been tested on Bright 9.2 (9.2-13) and later releases. Functional Ansible environment (Python 3.9, Ansible 2.10+) Setup the Ansible environment: There are a number of approaches to installing Ansible. This approach…
About This article discusses building a RHEL 8.6 software image, specifically on multi-distribution clusters. These steps were developed for Bright 9.2 and later releases on a SLES 15 SP4 / Ubuntu 20.04/22.04 headnode. For additional information on multi-distribution support in Bright Cluster Manager, please review the appropriate section in the…
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…
Introduction This article describes deploying KubeClarity onto a Bright-managed Kubernetes cluster for the purposes of security auditing and monitoring. The developer of this tool describes it as: “KubeClarity is a tool for detection and management of Software Bill Of Materials (SBOM) and vulnerabilities of container images and filesystems. It scans…
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…
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…
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…
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…
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…