February 2018
Beginner
290 pages
7h 28m
English
Content preview from Hybrid Cloud for Architects
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Volumes
If you have worked with containers, we know that when a container is started, it starts with a clean slate due to the underlying Copy on Write mechanism, which means that the files are ephemeral and are not stored normally.
This can become a problem when the pod is running multiple containers, or when the pod is running software such as a database. In these cases, the data needs to be persisted across the creation and deletion of not only containers but pods too.
In order to solve this, Kubernetes has volumes (a very similar concept to Docker, but more tightly managed in comparison). The Kubernetes system creates persistent volumes that are then exposed to the pods.
Kubernetes supports the following for persistent storage (non-exhaustive ...
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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.