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50 lines
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=================
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Welcome to Ceph
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=================
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Ceph uniquely delivers **object, block, and file storage in one unified
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system**. Ceph is highly reliable, easy to manage, and free. The power of Ceph
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can transform your company’s IT infrastructure and your ability to manage vast
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amounts of data. Ceph delivers extraordinary scalability--thousands of clients
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accessing petabytes to exabytes of data. Ceph leverages commodity hardware and
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intelligent daemons to accommodate large numbers of storage hosts, which
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communicate with each other to replicate data, and redistribute data
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dynamically. Ceph's cluster of monitors oversees the hosts in the Ceph storage
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cluster to ensure that the storage hosts are running smoothly.
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.. image:: images/stack.png
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.. sidebar:: About Ceph
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**One Object Storage:** The Ceph Object Store, called RADOS, is the
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object storage component for CephFS filesystems, Ceph RADOS Gateways, and
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Ceph Block Devices.
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**Many Storage Interfaces:** You can use CephFS, Ceph RADOS Gateway, or Ceph
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Block Devices in your deployment. You may also use all three interfaces
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with the same Ceph Object Store cluster! There's no reason to build three
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different storage clusters for three different types of storage interface!
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**Use Commodity Hardware!:** You can deploy Ceph with commodity hardware.
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You don't need to purchase proprietary storage or networking hardware
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commonly used in :abbr:`SAN (Storage Area Network)` systems.
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.. toctree::
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:maxdepth: 1
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:hidden:
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start/index
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install/index
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rados/index
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cephfs/index
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rbd/rbd
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radosgw/index
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api/index
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architecture
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Development <dev/index>
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release-notes
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FAQ <faq>
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