October 2017
Intermediate to advanced
340 pages
9h 46m
English
Content preview from Learning Ceph - Second Edition
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Summary
In this chapter, we covered Ceph's monitoring needs and utilities. This included overall cluster states as well as individual Ceph components including MONs, OSDs, and MDS. We also investigated placement groups. The states of placement groups can change dynamically and they require close monitoring. Most of the changes that happen in a Ceph cluster are visibly surfaced from changes to placement groups. This chapter also covered several open source GUI monitoring dashboard projects. Some of these are managed and developed outside of Ceph proper, but they are also open source, so you can contribute to and benefit from these projects freely. We also covered an overview of Calamari and the new ceph-mgr dashboard. In the next chapter we ...
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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.