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Highly Available Zabbix Monitoring Server Using Corosync + Pacemaker + DRBD

I recently built a highly available Zabbix monitoring server for a client. It uses the Linux HA tools Corosync and Pacemaker to cluster the services. Linbit’s DRBD is used as the cluster storage.

This configuration uses Ubuntu Server 10.04 LTS (Lucid) for the two cluster nodes Linux distribution. These instructions should work on Ubuntu 10.10 […]

MySQL high availability cluster with DRBD+Pacemaker/Corosync

For last two days I’ve been having fun with DRBD and Pacemaker trying to set up a MySQL high availability cluster with two nodes.

Quick Theory

DRBD (Distributed Replicated Block Device) – a virtual block device used to replicate disks and partitions over the network (e.g., RAID1 array over TCP/IP). Part of the Linux kernel […]