We are going to set up a DNS failover using Master/Slave configuration and configure dynamic updates. Continue reading
Category Archives: High Availability
Homelab Project with KVM, Katello and Puppet
Setting up a highly available homelab with KVM, Katello and Puppet. Continue reading
Setting up an O2CB Cluster with Dual Primary DRBD and OCFS2 on Oracle Linux 7
We are going to build a two-node active/active HA cluster using O2CB and DRBD. Continue reading
Active/Active High Availability Pacemaker Cluster with GFS2 and iSCSI Shared Storage on CentOS 7
We are going to build a three-node active/active HA cluster using Pacemaker and Corosync. Continue reading
Active/Passive MySQL High Availability Pacemaker Cluster with DRBD on CentOS 7
We are going to build a two-node active/passive MariaDB HA cluster using Pacemaker and Corosync. Continue reading
Active Node Not Updated by Virtual Server: Simpana cvclusternotify on Unix Failover
After installing the software components on the physical nodes and the cluster group client is configured, we must configure the cvclusternotify script. Continue reading
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 4 – Configure Fencing (STONITH)
The following is part 4 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent. Continue reading
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 3 – Replicate Storage with DRBD
The following is part 3 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent. Continue reading
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 2 – Add and Configure Resources
The following is part 2 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent. Continue reading
Active/Passive Cluster With Pacemaker, Corosync and DRBD on CentOS 7: Part 1 – Cluster Installation
The following is part 1 of a 4 part series that will go over an installation and configuration of Pacemaker, Corosync, Apache, DRBD and a VMware STONITH agent.
The aim here is to build an active/passive Pacemaker cluster with Apache and DRBD. Continue reading