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Blog Archive for bhavanishankar during October 2009

This blog answers some of the commonly asked questions about SailFin HA [Note : my-app, my-node-agent, my-cluster, my-instance are the names I used, feel free to choose the names of your choice] What is the minimum requirement to use high availability in SailFin: You need to have a SailFin cluster with at least 2 instances. How to enable high availability for an application? You just need to...
What is rolling upgrade? Rolling upgrade is a zero downtime upgrade of the SailFin cluster. It can broadly be classfied into the following types : Upgrade of your running application. Upgrade of your hardware hosting the SailFin cluster. Upgrade of your running SailFin cluster from version 'x' to version 'y' ('y' should be backward compatible with 'x') As simple as applying a bugfix patches to...