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11fdf7f2 1.. _ceph-manager-daemon:
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2
3===================
4Ceph Manager Daemon
5===================
6
7The :term:`Ceph Manager` daemon (ceph-mgr) runs alongside monitor daemons,
8to provide additional monitoring and interfaces to external monitoring
9and management systems.
10
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11Since the 12.x (*luminous*) Ceph release, the ceph-mgr daemon is required for
12normal operations. The ceph-mgr daemon is an optional component in
13the 11.x (*kraken*) Ceph release.
14
15By default, the manager daemon requires no additional configuration, beyond
16ensuring it is running. If there is no mgr daemon running, you will
17see a health warning to that effect, and some of the other information
18in the output of `ceph status` will be missing or stale until a mgr is started.
19
20Use your normal deployment tools, such as ceph-ansible or ceph-deploy, to
21set up ceph-mgr daemons on each of your mon nodes. It is not mandatory
22to place mgr daemons on the same nodes as mons, but it is almost always
23sensible.
24
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25.. toctree::
26 :maxdepth: 1
27
28 Installation and Configuration <administrator>
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29 Writing modules <modules>
30 Writing orchestrator plugins <orchestrator_modules>
31 Dashboard module <dashboard>
92f5a8d4 32 Alerts module <alerts>
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33 DiskPrediction module <diskprediction>
34 Local pool module <localpool>
35 RESTful module <restful>
36 Zabbix module <zabbix>
37 Prometheus module <prometheus>
38 Influx module <influx>
39 Hello module <hello>
40 Telegraf module <telegraf>
41 Telemetry module <telemetry>
42 Iostat module <iostat>
43 Crash module <crash>
44 Orchestrator CLI module <orchestrator_cli>
45 Rook module <rook>
46 DeepSea module <deepsea>
47 Insights module <insights>
48 Ansible module <ansible>
49 SSH orchestrator <ssh>