Welcome to Ceph — Ceph Documentation

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<header class="top-bar"> <div role="navigation" aria-label="Page navigation"> <ul class="wy-breadcrumbs"> <li><a href="#" class="icon icon-home"></a> »</li> <li>Welcome to Ceph</li> <li class="wy-breadcrumbs-aside"> <a href="_sources/index.rst.txt" rel="nofollow"> View page source</a> </li> </ul> <hr/> </div> </header> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search" style="background: #eee" > <a href="#"> <img src="_static/logo.png" class="logo" alt="Logo"/> </a> <div role="search"> <form id="rtd-search-form" class="wy-form" action="search/" method="get"> <input type="text" name="q" placeholder="Search docs" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> </div> <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> <ul> <li class="toctree-l1"><a class="reference internal" href="start/">Intro to Ceph</a></li> <li class="toctree-l1"><a class="reference internal" href="install/">Installing Ceph</a></li> <li class="toctree-l1"><a class="reference internal" href="cephadm/">Cephadm</a></li> <li class="toctree-l1"><a class="reference internal" href="rados/">Ceph Storage Cluster</a></li> <li class="toctree-l1"><a class="reference internal" href="cephfs/">Ceph File System</a></li> <li class="toctree-l1"><a class="reference internal" href="rbd/">Ceph Block Device</a></li> <li class="toctree-l1"><a class="reference internal" href="radosgw/">Ceph Object Gateway</a></li> <li class="toctree-l1"><a class="reference internal" href="mgr/">Ceph Manager Daemon</a></li> <li class="toctree-l1"><a class="reference internal" href="mgr/dashboard/">Ceph Dashboard</a></li> <li class="toctree-l1"><a class="reference internal" href="monitoring/">Monitoring overview</a></li> <li class="toctree-l1"><a class="reference internal" href="api/">API Documentation</a></li> <li class="toctree-l1"><a class="reference internal" href="architecture/">Architecture</a></li> <li class="toctree-l1"><a class="reference internal" href="dev/developer_guide/">Developer Guide</a></li> <li class="toctree-l1"><a class="reference internal" href="dev/internals/">Ceph Internals</a></li> <li class="toctree-l1"><a class="reference internal" href="governance/">Governance</a></li> <li class="toctree-l1"><a class="reference internal" href="foundation/">Ceph Foundation</a></li> <li class="toctree-l1"><a class="reference internal" href="ceph-volume/">ceph-volume</a></li> <li class="toctree-l1"><a class="reference external" href="https://docs.ceph.com/en/latest/releases/general/">Ceph Releases (general)</a></li> <li class="toctree-l1"><a class="reference external" href="https://docs.ceph.com/en/latest/releases/">Ceph Releases (index)</a></li> <li class="toctree-l1"><a class="reference internal" href="security/">Security</a></li> <li class="toctree-l1"><a class="reference internal" href="hardware-monitoring/">Hardware monitoring</a></li> <li class="toctree-l1"><a class="reference internal" href="glossary/">Glossary</a></li> <li class="toctree-l1"><a class="reference internal" href="jaegertracing/">Tracing</a></li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" aria-label="top navigation"> <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="#">Ceph</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <div id="docubetter" align="right" style="padding: 5px; font-weight: bold;"> <a href="https://pad.ceph.com/p/Report_Documentation_Bugs">Report a Documentation Bug</a> </div> <section id="welcome-to-ceph"> <h1>Welcome to Ceph<a class="headerlink" href="#welcome-to-ceph" title="Permalink to this heading"></a></h1> <p>Ceph delivers <strong>object, block, and file storage in one unified system</strong>.</p> <div class="admonition warning"> <p class="admonition-title">Warning</p> <p><a class="reference internal" href="dev/developer_guide/basic-workflow/#basic-workflow-dev-guide"><span class="std std-ref">If this is your first time using Ceph, read the “Basic Workflow” page in the Ceph Developer Guide to learn how to contribute to the Ceph project. (Click anywhere in this paragraph to read the “Basic Workflow” page of the Ceph Developer Guide.)</span></a>.</p> </div> <div class="admonition note"> <p class="admonition-title">Note</p> <p><a class="reference internal" href="start/documenting-ceph/#documenting-ceph"><span class="std std-ref">If you want to make a commit to the documentation but you don’t know how to get started, read the “Documenting Ceph” page. (Click anywhere in this paragraph to read the “Documenting Ceph” page.)</span></a>.</p> </div> <div class="columns-3 docutils container"> <div class="column docutils container"> <h3>Ceph Object Store</h3><ul class="simple"> <li><p>RESTful Interface</p></li> <li><p>S3- and Swift-compliant APIs</p></li> <li><p>S3-style subdomains</p></li> <li><p>Unified S3/Swift namespace</p></li> <li><p>User management</p></li> <li><p>Usage tracking</p></li> <li><p>Striped objects</p></li> <li><p>Cloud solution integration</p></li> <li><p>Multi-site deployment</p></li> <li><p>Multi-site replication</p></li> </ul> </div> <div class="column docutils container"> <h3>Ceph Block Device</h3><ul class="simple"> <li><p>Thin-provisioned</p></li> <li><p>Images up to 16 exabytes</p></li> <li><p>Configurable striping</p></li> <li><p>In-memory caching</p></li> <li><p>Snapshots</p></li> <li><p>Copy-on-write cloning</p></li> <li><p>Kernel driver support</p></li> <li><p>KVM/libvirt support</p></li> <li><p>Back-end for cloud solutions</p></li> <li><p>Incremental backup</p></li> <li><p>Disaster recovery (multisite asynchronous replication)</p></li> </ul> </div> <div class="column docutils container"> <h3>Ceph File System</h3><ul class="simple"> <li><p>POSIX-compliant semantics</p></li> <li><p>Separates metadata from data</p></li> <li><p>Dynamic rebalancing</p></li> <li><p>Subdirectory snapshots</p></li> <li><p>Configurable striping</p></li> <li><p>Kernel driver support</p></li> <li><p>FUSE support</p></li> <li><p>NFS/CIFS deployable</p></li> <li><p>Use with Hadoop (replace HDFS)</p></li> </ul> </div> </div> <div class="columns-3 docutils container"> <div class="column docutils container"> <p>See <a class="reference external" href="radosgw">Ceph Object Store</a> for additional details.</p> </div> <div class="column docutils container"> <p>See <a class="reference external" href="rbd">Ceph Block Device</a> for additional details.</p> </div> <div class="column docutils container"> <p>See <a class="reference external" href="cephfs">Ceph File System</a> for additional details.</p> </div> </div> <p>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 <a class="reference external" href="start">Getting Started</a> guides. To learn more about Ceph, see our <a class="reference external" href="architecture">Architecture</a> section.</p> <div class="toctree-wrapper compound"> </div> </section> </div> </div> <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer"> <a href="start/" class="btn btn-neutral float-right" title="Intro to Ceph" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a> </div> <hr/> <div role="contentinfo"> <p>© Copyright 2016, Ceph authors and contributors. Licensed under Creative Commons Attribution Share Alike 3.0 (CC-BY-SA-3.0).</p> </div> </footer> </div> </div> </section> </div> <script type="text/javascript"> jQuery(function () { SphinxRtdTheme.Navigation.enable(true); }); </script> </body> </html>

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Welcome to Ceph — Ceph Documentation