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.. _mgr-cephadm-mgr:
===========
MGR Service
===========
The cephadm MGR service hosts multiple modules. These include the
:ref:`mgr-dashboard` and the cephadm manager module.
.. _cephadm-mgr-networks:
Specifying Networks
-------------------
The MGR service supports binding only to a specific IP within a network.
example spec file (leveraging a default placement):
.. code-block:: yaml
service_type: mgr
networks:
- 192.169.142.0/24
.. _cephadm_mgr_co_location:
Allow co-location of MGR daemons
================================
In deployment scenarios with just a single host, cephadm still needs
to deploy at least two MGR daemons in order to allow an automated
upgrade of the cluster. See ``mgr_standby_modules`` in
the :ref:`mgr-administrator-guide` for further details.
See also: :ref:`cephadm_co_location`.
Further Reading
===============
* :ref:`ceph-manager-daemon`
* :ref:`cephadm-manually-deploy-mgr`
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