January 2019
Intermediate to advanced
606 pages
15h 1m
English
book
Ceph: Designing and Implementing Scalable Storage Systems
by Michael Hackett, Vikhyat Umrao, Karan Singh, Nick Fisk
Content preview from Ceph: Designing and Implementing Scalable Storage Systems
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Ceph – the architectural overview
The Ceph internal architecture is pretty straightforward, and we will learn about it with the help of the following diagram:
- Ceph monitors (MON): Ceph monitors track the health of the entire cluster by keeping a map of the cluster state. They maintain a separate map of information for each component, which includes an OSD map, MON map, PG map (discussed in later chapters), and CRUSH map. All the cluster nodes report to monitor nodes and share information about every change in their state. The monitor does not store actual data; this is the job of the OSD.
- Ceph object storage device (OSD): As soon as your ...
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