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Ceph (Storage)

Ceph
Ceph logo.png
Original author(s) Inktank Storage (Sage Weil, Yehuda Sadeh Weinraub, Gregory Farnum, Josh Durgin, Samuel Just, Wido den Hollander)
Developer(s) Canonical, CERN, Cisco, Fujitsu, Intel, Red Hat, SanDisk, and SUSE
Stable release
11.2.0 "Kraken" / 20 January 2017; 6 months ago (2017-01-20)
Preview release
12.1.1 "Luminous" / July 18, 2017; 25 days ago (2017-07-18)
Repository git.ceph.com?p=ceph.git%3Ba%3Dsummary
Written in C++, Python
Operating system Linux, FreeBSD
Type Distributed object store
License LGPL 2.1
Website ceph.com

In computing, Ceph (pronounced /ˈsɛf/ or /ˈkɛf/), a free-software storage platform, implements object storage on a single distributed computer cluster, and provides interfaces for object-, block- and file-level storage. Ceph aims primarily for completely distributed operation without a single point of failure, scalable to the exabyte level, and freely available.

Ceph replicates data and makes it fault-tolerant, using commodity hardware and requiring no specific hardware support. As a result of its design, the system is both self-healing and self-managing, aiming to minimize administration time and other costs.

On April 21, 2016, the Ceph development team released "Jewel", the first Ceph release in which CephFS is considered stable. The CephFS repair and disaster recovery tools are feature-complete (snapshots, multiple active metadata servers and some other functionality is disabled by default).


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