Why are my filesystems no longer exported from my head node after setting up HA? Short answer: It is done by Bright to protect the filesystems from corruption. The longer answer, and using a workaround,...
How do I set up high-availability NFS with Bright? This article describes how to setup a high availability NFS storage service using Bright. Architecture The two NFS servers are...
How to Install Lustre with ZFS and HA for OSS and MDS Nodes Prerequisites: 2 OSS nodes connected via SAS over multiple paths to their own JBOD shared storage (minimum eight drives) 2...
How can I configure a dedicated cloning network in an HA cluster? Introduction There are situations where configuring a dedicated cloning network on your headnode HA is required, or would be useful....
How do I insert a kernel module into the root file system of the RESCUE environment? Unpack the rescue.rootfs.cgz of the default software image:# mkdir -p /tmp/rescue# cd /tmp/rescue# cp /cm/images/default-image/boot/rescue.rootfs.cgz ./# gunzip -dc rescue.rootfs.cgz |...
When I shutdown a HA headnode manually, failover doesn’t occur. Why? Manually shutting down a headnode means: Running the Linux shutdown or poweroff command. Triggering a shutdown with sysrq. Shutting down...
How do I rename my head nodes? This article is being updated. Please be aware the content herein, not limited to version numbers and slight syntax changes, may...
Can I replicate my own MySQL database using the failover mechanism supplied by Bright? This article is being updated. Please be aware the content herein, not limited to version numbers and slight syntax changes, may...
How do I configure PBSPro HA with DAS shared storage? This article is being updated. Please be aware the content herein, not limited to version numbers and slight syntax changes, may...
How do I configure PBSPro HA with DRBD? Bright Cluster Manager does not support HA (High Availability) for PBSPro when the shared storage used is DAS or DRBD....
One of my headnodes has died. How do I restore High Availability on my cluster? This article assumes that HA is setup and configured properly, and that one of the nodes has completely died and...
How to Clone a Bright Head Node These steps are tested on Bright 9.0 with CentOS 7 PXE Boot the new head node from the current head...
How to Copy Bright Cluster configurations between two clusters Following either method, configurations can be copied between Bright clusters with the same major version (e.g. two Bright 9.2 clusters)....
Is it possible to clone the primary headnode from the secondary in an HA cluster? Important note: This process is generally used to recover a primary headnode from a failure state (filesystem corruption for example)....