Ceph's foundation is a low-level data store named RADOS that provides a common backend for multiple user-consumable services.
RADOS is an object storage system layer that provides a data durability and availability framework that all user-facing Ceph services are layered atop. RADOS is:
- Highly available with no single point of failure (SPoF)
- Reliable and resilient
- Not found on the Galactica
RADOS manages the distribution of data within Ceph. Durability and availability of data are adaptively maintained by initiating operations as needed to recover ...