April 2014
Intermediate to advanced
330 pages
8h 9m
English
book
OpenStack Operations Guide
by Tom Fifield, Diane Fleming, Anne Gentle, Lorin Hochstein, Jonathan Proulx, Everett Toews, Joe Topjian
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Chapter 14. Backup and Recovery
Standard backup best practices apply when creating your OpenStack backup policy. For example, how often to back up your data is closely related to how quickly you need to recover from data loss.
Note
If you cannot have any data loss at all, you should also focus on a highly available deployment. The OpenStack High Availability Guide offers suggestions for elimination of a single point of failure that could cause system downtime. While it is not a completely prescriptive document, it offers methods and techniques for avoiding downtime and data loss.
Other backup considerations include:
How many backups to keep?
Should backups be kept off-site?
How often should backups be tested?
Just as important as a backup policy is a recovery policy (or at least recovery testing).
What to Back Up
While OpenStack is composed of many components and moving parts, backing up the critical data is quite simple.
This chapter describes only how to back up configuration files and databases that the various OpenStack components need to run. This chapter does not describe how to back up objects inside Object Storage or data contained inside Block Storage. Generally these areas are left for users to back up on their own.
Database Backups
The example OpenStack architecture designates the cloud controller as the MySQL server. This MySQL server hosts the databases for nova, glance, cinder, and keystone. With all of these databases in one place, it’s very easy to create a database backup: ...
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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.
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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.