May 2018
Intermediate to advanced
256 pages
7h 6m
English
Content preview from OpenStack for Architects - Second Edition
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High availability patterns for the control plane
There are three approaches commonly used in OpenStack deployments these days for achieving the high availability of the control plane.
The first is the simplest. Take the single-node cloud controller that we deployed in Chapter 2, Architecting the Cloud, virtualize it, and then make the virtual machine highly available using either VMware clustering or Linux clustering. While this option is simple and it provides for failure scenarios, it scales vertically (not horizontally) and doesn't provide for success scenarios. As such, it should only be used in regions with a limited number of compute nodes and a limited number of API calls. In practice, this method isn't used frequently and we won't ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.