Anvil! Tutorial 3

Alteeve Wiki :: How To :: Anvil! Tutorial 3

Warning: This tutorial is incomplete, flawed and generally sucks at this time. Do not follow this and expect anything to work. This warning will be removed when the tutorial is completed.

This is the third AN!Cluster tutorial build on Red Hat's Enterprise Linux 7. It improves on the RHEL 5, RHCS stable 2 and RHEL 6, RHCS stable3 tutorials.

As with the previous tutorials, the end goal of this tutorial is a 2-node cluster providing a platform for high-availability virtual servers. It's design attempts to remove all single points of failure from the system. Power and networking are made fully redundant in this version, along with minimizing the node failures which would lead to service interruption. This tutorial also covers the AN!Utilities; AN!Cluster Dashboard, AN!Cluster Monitor and AN!Safe Cluster Shutdown.

As it the previous tutorial, KVM will be the hypervisor used for facilitating virtual machines. The old cman and rgmanager tools are replaced in favour of pacemaker for resource management.

Before We Begin

This tutorial does not require prior cluster experience, but it does expect familiarity with Linux and a low-intermediate understanding of networking. Where possible, steps are explained in detail and rationale is provided for why certain decisions are made.

For those with cluster experience;

Please be careful not to skip too much. There are some major and some subtle changes from previous tutorials.

 

Any questions, feedback, advice, complaints or meanderings are welcome.
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