Last friday failover and Stonith were evil...
Friday, end of the week, almost week-end, almost time to enjoy the warm weather of my hometown and yet…
Manage your symlinks with Pacemaker
Manages symlinks into a shared partition, which is shared among several machines.
Highly Available LVS
Highly Available LVS.
Galera arbitrator resource agent
If you run XtraDB/Galera in a 2 nodes cluster, it implies that on a split-brain event both nodes will goes down. That’s the default behavior of the cluster management system of Galera. This could be changed but we don’t really want that. This is why we use garbd in order to prevent split-brain situation. Basically it connects to your cluster and acts as a member. Let’s say someone, inadvertently bring down the dedicated link interface of your cluster, you’re in big trouble. In this particular situation garbd will act as a replication replay. That will let you some time to investigate about the outage without any downtime.
Pacemaker load-balancing with Clone
Introducing the load-balancing feature with Pacemaker.
Fencing LXC containers with STONITH
Introducing fencing on LXC container.
Corosync: Redundant Ring Protocol
Putting a Lord of the Rings picture could have been too cliché, so I opted for this… RRP abbreviation stands for Redundant Ring Protocol. A way to achieve HA on top of bonded interface.
Differences between active-active and active-passive cluster
Common thoughts and working of clustering forms. Pick up from the Sybase HA documentation. Good reminder :-)
Failover active/passive on NFS using Pacemaker and DRBD
Bring High-availability to your NFS server!
Simply audit a pacemaker based cluster
Simply audit a cluster platform based on pacemaker.