LINBIT® has built a variety of software components for use in highly-available systems. These components range from DRBD® for block device replication to LINSTOR®, our SDS solution, to various plugins/scripts integrating DRBD into Pacemaker, OpenStack, OpenNebula, Proxmox, Kubernetes, and more. However, a missing component was a daemon that monitors DRBD events like a resource becoming Primary or losing connection to its peers and then reacting to it.
DRBD Reactor was developed at LINBIT with an intended use as a lightweight, simple cluster resource manager alternative, a component for various purposes, ranging from monitoring tasks to classic HA tasks usually carried out by complex cluster managers such as Pacemaker.
Learn more about LINBIT:
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DRBD Reactor design & features:
DRBD Reactor & Pacemaker:
Deploy a Highly Available MariaDB Service Using LINSTOR & DRBD Reactor Tech Guide:
Deploying a Highly Available NFS Cluster on RHEL 9 with DRBD Reactor Tech Guide:
LINBIT user guides:
LINBIT How-to guides:
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