November 2017
Intermediate to advanced
494 pages
14h 29m
English
Content preview from Mastering Proxmox - Third Edition
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Fencing
Fencing is a concept of isolating a node or its resources during node failure so that other nodes cannot access the same resources, putting them at risk of data corruption. In Proxmox, fencing prevents multiple nodes from running on the same virtual machine or cluster-specific services. Fencing ensures data integrity during a node failure by preventing all nodes from running on the same virtual machine or cluster services at the same time.
As of Proxmox VE 5.0, a separate fencing device used to configure Proxmox HA is no longer required. Fencing now uses a hardware-based watchdog or a Linux softdog. A Linux softdog is a software version of a traditional watchdog. Most modern server BIOSes have the watchdog functionality, but it is ...
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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.