April 2017
Intermediate to advanced
470 pages
11h 12m
English
Content preview from Mastering OpenStack - Second Edition
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Implementing HA on OpenStack cloud controllers
Moving on setting up of highly available OpenStack cloud controllers requires a way of managing the services running in the former nodes. Another alternative for the high
availabilitygame is using Pacemaker and Corosync. As a native high availability and load balancing stack solution for the Linux platform, Pacemaker depends on Corosync to maintain cluster communication based on the messaging layer. Corosync supports multicast as the default network configuration communication method. For some environments that do not support multicast, Corosync can be configured for unicast. In multicast networks, all the cluster nodes are connected to the same physical network device; it will be necessary to ...
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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.