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Friday, August 22 • 10:45am - 11:35am
Storage Tiering and Erasure Coding in Ceph - Sam Just, Red Hat

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Ceph is designed around the assumption that all components of the system (disks, hosts, networks) can fail, and has traditionally leveraged replication to provide data durability and reliability. The CRUSH placement algorithm is used to allow failure domains to be defined across hosts, racks, rows, or datacenters, depending on the deployment scale and requirements. Ceph has introduced a storage tiering infrastructure and cache pools that allow alternate hardware backends (like high-end flash) to be leveraged for active data sets while cold data is transparently migrated to slower backends. The combination of these two features enables a surprisingly broad range of new applications and deployment configurations. This talk will cover a few Ceph fundamentals, discuss the new tiering and erasure coding features, and then discuss a variety of ways that the new capabilities can be leveraged.

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Speakers
SJ

Sam Just

Developer, Red Hat
Sam is a Ceph contributor working for Red Hat in the Inktank group. Most of his work is focused on RADOS, the object store underneath Ceph. In his spare time he likes cycling and gaming. He is also very bad at typing about | himself in the third person.


Friday August 22, 2014 10:45am - 11:35am
Mississippi