March 2019
Intermediate to advanced
356 pages
10h 7m
English
Content preview from Mastering Ceph - Second Edition
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How Ceph's tiering functionality works
Once you have configured a RADOS pool to be an overlay of another RADOS pool, Ceph's tiering functionality works on the basic principal that if an object does not exist in the top-level tier, then it must exist in the base tier. All object requests from clients are sent to the top tier; if the OSD does not have the requested object, then, depending on the tiering mode, it may either proxy the read or write request down to the base tier or force a promotion. The base tier then proxies the request back through the top tier to the client. It's important to note that the tiering functionality is transparent to clients, and there is no specific client configuration needed.
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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.