April 2010
Intermediate to advanced
276 pages
6h 16m
English
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Storage node partitioning and arbitration
In this recipe, we explore what happens when a MySQL Cluster has its storage nodes split into two groups that cannot communicate, but each of which has a full set of cluster data. We will look at this with a practical example, with the explanation of the process in the There's more… section.
Getting ready
In our example lab, nodes 1 and 2 make up nodegroup 0 and nodes 3 and 4 make up nodegroup 1 (look at the output in the recipe Single storage node failure from the SHOW command inside ndb_mgm to see this). In earlier recipes, we have covered what happens if we shut down any combination of nodes, but not what occurs if one node in each nodegroup is isolated from the rest of the cluster.
How to do it…
In our ...
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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.