The cm-nfs-checker is an integral tool for the proper operation of the BCM tools. It is designed to be a lightweight and safe way for the system to monitor the mount state of filesystems without the risk of hanging the primary service. It will, by default, run on port 8082/UDP…
This article will describe additional validation tests that can be completed on a HA cluster to confirm proper operation. This article should be seen as a supplement to the documentation in the Administration Manual. Presumptions For this article, we are presuming that you have a HA cluster setup with an…
These instructions we completed using BCM 10 on Ubuntu 22.04 but should work for all supported platforms 9.0 and higher. Presumptions We are presuming you have a functional SLURM cluster and multiple nodes which can be split into distinct job queues or settings. root@ew-b100-u2204-09-27:~# module load slurmroot@ew-b100-u2204-09-27:~# sinfoPARTITION AVAIL TIMELIMIT…
This article will review a basic installation of KubeVirt on BCM 10 or later. These steps will not work for BCM 9.2 and earlier. This will be based on the instructions on the KubeVirt installation page and may change over time. Install libvirt packages on all worker nodes There are…
slurmrestd is a stateless REST compatible API to the slurm control plane. This article will go over the steps to install and configure basic operation of the service. Important Notes Instructions are based on Bright Cluster Manager 9.2 on a Rocky8 based cluster running slurm 21.08 although these steps should…
This article will go over the steps needed to upgrade the Bright provided SLURM packages to a newer major version as well as the caveats and warnings necessary for a successful migration. These instructions have been tested on Bright versions 9.0, 9.1, 9.2, and BCM10. These instructions will retain all…
A serious vulnerability has been discovered in the operating system package PolicyKit which may affect the users of Bright Cluster Manager. The information here is for reference only and users should refer to their operating system vendor for the most accurate and up-to-date information. Overview The proof of concept can…
The recent announcement and release of 0-day exploits for these issues makes this an important and highly visible topic. Based on a thorough review Bright Cluster Manager itself and the core integrations are unaffected by this bug. We strongly suggest customers review the workloads and services they are running. If…
Bright Cluster Manager provides a managed LDAP database for user and group management but, by default, it is protected with TLS certificates which limit the ability for some third party tools to access the directory. This article will go through the steps to reconfigure the Bright LDAP server to allow…
Sometimes it’s useful to be able to run basic commands against cmsh in an automated way. We often take the tool for granted but there are a number of subtle tricks that can go a long way to making the use of the command more resilient. While this can be…