January 2018
Intermediate to advanced
398 pages
7h 54m
English
book
OpenStack Cloud Computing Cookbook - Fourth Edition
by Kevin Jackson, Cody Bunch, Egle Sigler, James Denton
Content preview from OpenStack Cloud Computing Cookbook - Fourth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using image snapshots
In OpenStack, a snapshot is an image that reflects the state of an instance at a point in time. Snapshots are often used to backup instances or migrate instances from one cloud to another, and can even be shared with other projects like regular images.
Creating snapshots
Snapshots in OpenStack can be created using the openstack server image create command.
Getting ready
When creating a snapshot, ensure that you are authenticated as an administrator or are the owner of the instance. You will need the following details:
- Instance name or ID
- Image name
For our example, the following will be used:
- Instance name:
COOKBOOK_TEST_INSTANCE - Image:
COOKBOOK_TEST_SNAPSHOT_20170824
How to do it…
With the OpenStack client installed on our system, ...
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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.