April 2015
Intermediate to advanced
174 pages
3h 46m
English
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Chapter 6. Fencing on CentOS 6
In this chapter, you will learn how to configure and test cluster node fencing on CentOS 6 with CMAN. You will familiarize yourself with the fencing options available and learn the syntax used to configure fencing. You will also learn how to take your fencing configuration for a test drive and make sure it is working as expected.
Fencing
Fencing is an important cluster task. It isolates a computer's cluster node when the node misbehaves, in order to protect the shared cluster resources and prevent cluster disruption. Fencing should not be used in a two-node cluster configuration because the nodes may go on a killing spree and kill each other. To work around this issue, you should implement a Quorum disk, as explained ...
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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.