April 2017
Intermediate to advanced
470 pages
11h 12m
English
Content preview from Mastering OpenStack - Second Edition
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Load balancer should not fail
The previous use case assumes that the load balancer never fails! But in reality, this is a SPOF that we have to arm by adding a VIP on top of the load balancer's set. Usually, we need a stateless load balancer in OpenStack services. Thus, we can undertake such challenges using software similar to Keepalived:
Keepalived is a free software tool that provides high availability and load balancing facilities based on its framework, to check a Linux Virtual Server (LVS) pool state.
LVS is a highly available server built on a cluster of real servers, by running a load balancer on the Linux operating system. It is mostly ...
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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.