Skip to Main Content
Ceph: Designing and Implementing Scalable Storage Systems
book

Ceph: Designing and Implementing Scalable Storage Systems

by Michael Hackett, Vikhyat Umrao, Karan Singh, Nick Fisk
January 2019
Intermediate to advanced content levelIntermediate to advanced
606 pages
15h 1m
English
Packt Publishing
Content preview from Ceph: Designing and Implementing Scalable Storage Systems

How it works...

Now that we know how to edit the Ceph CRUSH map, let's understand what's inside the CRUSH map. A CRUSH map file contains four main sections; they are as follows:

  • Devices: This section of the CRUSH map keeps a list of all the OSD devices in your cluster. The OSD is a physical disk corresponding to the ceph-osd daemon. To map the PG to the OSD device, CRUSH requires a list of OSD devices. This list of devices appears in the beginning of the CRUSH map to declare the device in the CRUSH map. The following is the sample device list:
  • Bucket types: This defines the types of buckets used in your CRUSH hierarchy. Buckets consist ...
Become 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,
and much more.
Start your free trial

You might also like

OpenStack for Architects - Second Edition

OpenStack for Architects - Second Edition

Ben Silverman, Michael Solberg
Kubernetes Patterns

Kubernetes Patterns

Bilgin Ibryam, Roland Huß
Kubernetes Best Practices

Kubernetes Best Practices

Brendan Burns, Eddie Villalba, Dave Strebel, Lachlan Evenson
Kubernetes Cookbook

Kubernetes Cookbook

Sébastien Goasguen, Michael Hausenblas

Publisher Resources

ISBN: 9781788295413