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- Welcome to Ceph — Ceph Documentation
Ceph is highly reliable, easy to manage, and free The power of Ceph can transform your company’s IT infrastructure and your ability to manage vast amounts of data To try Ceph, see our Getting Started guides
- Architecture — Ceph Documentation
Ceph uniquely delivers object, block, and file storage in one unified system Ceph is highly reliable, easy to manage, and free Ceph delivers extraordinary scalability–thousands of clients accessing petabytes to exabytes of data
- Beginner’s Guide — Ceph Documentation
The purpose of A Beginner’s Guide to Ceph is to make Ceph comprehensible Ceph is a clustered and distributed storage manager If that’s too cryptic, then just think of Ceph as a computer program that stores data and uses a network to make sure that there is a backup copy of the data
- Intro to Ceph — Ceph Documentation
Ceph stores data as objects within logical storage pools Using the CRUSH algorithm, Ceph calculates which placement group should contain the object, and further calculates which Ceph OSD Daemon should store the placement group The CRUSH algorithm enables the Ceph Storage Cluster to scale, rebalance, and recover dynamically
- Ceph File System — Ceph Documentation
The Ceph File System, or CephFS, is a POSIX-compliant file system built on top of Ceph’s distributed object store, RADOS CephFS endeavors to provide a state-of-the-art, multi-use, highly available, and performant file store for a variety of applications, including traditional use-cases like shared home directories, HPC scratch space, and
- ceph -- ceph administration tool — Ceph Documentation
ceph is a control utility which is used for manual deployment and maintenance of a Ceph cluster It provides a diverse set of commands that allows deployment of monitors, OSDs, placement groups, MDS and overall maintenance, administration of the cluster
- Intro to Ceph — Ceph Documentation
Ceph stores data as objects within logical storage pools Using the CRUSH algorithm, Ceph calculates which placement group (PG) should contain the object, and which OSD should store the placement group The CRUSH algorithm enables the Ceph Storage Cluster to scale, rebalance, and recover dynamically
- Control Commands — Ceph Documentation
The weight of an OSD helps determine the extent of its I O requests and data storage: two OSDs with the same weight will receive approximately the same number of I O requests and store approximately the same amount of data The ceph osd reweight command assigns an override weight to an OSD
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