Skip to Content
CentOS High Availability
book

CentOS High Availability

by Mitja Resman
April 2015
Intermediate to advanced
174 pages
3h 46m
English
Packt Publishing
Content preview from CentOS High Availability

Fence test

It is very important to test your fencing configuration very thoroughly to make sure that, when there is a problem in the cluster, the fencing mechanism will work as expected and resolve the issue.

The stonith_admin command provides a lot of very useful information and fence management features, as follows:

  • It lists configured fencing devices for a specific cluster node
  • It lists all configured fencing devices in the cluster
  • It queries the status of the fencing device

The stonith_admin command also enables you to manually trigger fencing of a cluster node.

The syntax used to fence a cluster node is as follows:

stonith_admin --fence="clusternode_name"

The preceding command will trigger a fencing action as configured on the cluster node provided ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Pro Linux High Availability Clustering

Pro Linux High Availability Clustering

Sander van Vugt
Experiences with Oracle 10g Database for Linux on zSeries

Experiences with Oracle 10g Database for Linux on zSeries

Kathryn Arrell, Laurent Dupin, Dennis Dutcavich, Terry Elliott, Barton Robinson, Tom Russell, Mike Ebbers

Publisher Resources

ISBN: 9781785282485