January 2016
Intermediate to advanced
146 pages
3h 8m
English
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Fencing – isolating the malfunctioning nodes
As the number of nodes in a cluster increases, its availability increases, but so does the chance of one of them failing at some point. This failure event, whether serious or not, suggests that we must secure a way to isolate the malfunctioning node from the cluster in order for it to fully release its processing tasks to the rest of the cluster. Think of what an erratic node can cause in a shared storage cluster—data corruption would inevitably occur. The word malfunctioning, in this context, means not only what it suggests in the typical usage of the English language (something that is not working properly), but also a node, which also includes the resources started on it, whose state cannot be determined ...
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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.