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Update index.rst by making minor grammar improvements. This file was long overdue for a backport to Reef, Quincy, and Pacific, so this commit was a good way to pass a human eyeball over the text before making those backports. Signed-off-by: Zac Dover <zac.dover@proton.me>
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.. _install-overview:
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===============
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Installing Ceph
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===============
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There are multiple ways to install Ceph.
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Recommended methods
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~~~~~~~~~~~~~~~~~~~
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:ref:`Cephadm <cephadm_deploying_new_cluster>` installs and manages a Ceph
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cluster that uses containers and systemd and is tightly integrated with the CLI
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and dashboard GUI.
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* cephadm supports only Octopus and newer releases.
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* cephadm is fully integrated with the orchestration API and fully supports the
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CLI and dashboard features that are used to manage cluster deployment.
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* cephadm requires container support (in the form of Podman or Docker) and
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Python 3.
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`Rook <https://rook.io/>`_ deploys and manages Ceph clusters running
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in Kubernetes, while also enabling management of storage resources and
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provisioning via Kubernetes APIs. We recommend Rook as the way to run Ceph in
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Kubernetes or to connect an existing Ceph storage cluster to Kubernetes.
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* Rook supports only Nautilus and newer releases of Ceph.
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* Rook is the preferred method for running Ceph on Kubernetes, or for
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connecting a Kubernetes cluster to an existing (external) Ceph
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cluster.
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* Rook supports the orchestrator API. Management features in the CLI and
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dashboard are fully supported.
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Other methods
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~~~~~~~~~~~~~
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`ceph-ansible <https://docs.ceph.com/ceph-ansible/>`_ deploys and manages
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Ceph clusters using Ansible.
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* ceph-ansible is widely deployed.
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* ceph-ansible is not integrated with the orchestrator APIs that were
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introduced in Nautilus and Octopus, which means that the management features
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and dashboard integration introduced in Nautilus and Octopus are not
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available in Ceph clusters deployed by means of ceph-ansible.
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`ceph-deploy <https://docs.ceph.com/projects/ceph-deploy/en/latest/>`_ is a
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tool that can be used to quickly deploy clusters. It is deprecated.
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.. IMPORTANT::
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ceph-deploy is not actively maintained. It is not tested on versions of Ceph
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newer than Nautilus. It does not support RHEL8, CentOS 8, or newer operating
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systems.
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`ceph-salt <https://github.com/ceph/ceph-salt>`_ installs Ceph using Salt and cephadm.
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`jaas.ai/ceph-mon <https://jaas.ai/ceph-mon>`_ installs Ceph using Juju.
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`github.com/openstack/puppet-ceph <https://github.com/openstack/puppet-ceph>`_ installs Ceph via Puppet.
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Ceph can also be :ref:`installed manually <install-manual>`.
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.. toctree::
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:hidden:
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index_manual
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Windows
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~~~~~~~
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For Windows installations, consult this document:
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`Windows installation guide`_.
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.. _Windows installation guide: ./windows-install
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