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https://github.com/ceph/ceph
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31 lines
1.0 KiB
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31 lines
1.0 KiB
ReStructuredText
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===================
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Ceph Manager Daemon
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===================
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The :term:`Ceph Manager` daemon (ceph-mgr) runs alongside monitor daemons,
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to provide additional monitoring and interfaces to external monitoring
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and management systems.
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Since the 12.x (*luminous*) Ceph release, the ceph-mgr daemon is required for
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normal operations. The ceph-mgr daemon is an optional component in
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the 11.x (*kraken*) Ceph release.
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By default, the manager daemon requires no additional configuration, beyond
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ensuring it is running. If there is no mgr daemon running, you will
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see a health warning to that effect, and some of the other information
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in the output of `ceph status` will be missing or stale until a mgr is started.
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Use your normal deployment tools, such as ceph-ansible or ceph-deploy, to
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set up ceph-mgr daemons on each of your mon nodes. It is not mandatory
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to place mgr daemons on the same nodes as mons, but it is almost always
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sensible.
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.. toctree::
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:maxdepth: 1
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Installation and Configuration <administrator>
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Writing plugins <plugins>
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