October 2017
Intermediate to advanced
340 pages
9h 46m
English
Content preview from Learning Ceph - Second Edition
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Expansion
In this section we'll cover strategies for growing capacity to meet your users' never-ending thirst for storage. In Chapter 5, Deploying a Virtual Sandbox Cluster we used ceph-ansible through Vagrant to add additional components to our cluster; in production on bare metal one can also use ceph-ansible directly to manage many aspects of cluster expansions. The addition of entire OSD hosts and logical racks to a running cluster is straightforward but must be planned carefully. Chapter 8, Ceph Architecture: Under the Hood of Learning Ceph, walks us through editing the CRUSH map to add logical racks and OSD nodes.
Below we'll summarize the process for adding a new OSD host to an existing Ceph cluster in a more manual, hands-on fashion. ...
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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.
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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.