O'Reilly logo

Learning Ceph - Second Edition by Karan Singh, Vaibhav Bhembre, Anthony D'Atri

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Back end: FileStore or BlueStore?

Prior to the very recent Luminous release of Ceph, the FileStore backend was the only one officially supported. With FileStore, OSD data is stored in a structured directory hierarchy within an XFS, EXT4, or even Btrfs filesystem. This leverages years of maturation in the codebases of those filesystems, and Ceph's developers were able to concentrate on other parts of the overall system. Over time, though, and as Ceph deployments became larger, busier, and more widespread the limitations of conventional filesystems—especially EXT4—have increasingly become a thorn in the sides of Ceph developers and admins.

The shiny new BlueStore back end is transparent to Ceph users and to much of Ceph itself. When deploying ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required