July 2018
Intermediate to advanced
504 pages
11h 34m
English
Content preview from Learn OpenShift
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IP failover
Another way to ensure that your OpenShift applications are always available from the outside is to implement IP failover mechanisms. This method is useful when you do not have an external load balancer, but still want OpenShift to always be accessible from the outside. The OpenShift IP failover design primarily relies on two different technologies:
- Keepalived: Provides high availability of VIPs across OpenShift infra nodes.
- DNS: Manages external traffic load balancing.
OpenShift DNS and keepalived
In our example, keepalived separately manages several VIPs on master and infrastructure nodes. Two DNS mappings are used to load balance ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.