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11fdf7f2 | 1 | .. _ceph-manager-daemon: |
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2 | |
3 | =================== | |
4 | Ceph Manager Daemon | |
5 | =================== | |
6 | ||
7 | The :term:`Ceph Manager` daemon (ceph-mgr) runs alongside monitor daemons, | |
8 | to provide additional monitoring and interfaces to external monitoring | |
9 | and management systems. | |
10 | ||
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11 | Since the 12.x (*luminous*) Ceph release, the ceph-mgr daemon is required for |
12 | normal operations. The ceph-mgr daemon is an optional component in | |
13 | the 11.x (*kraken*) Ceph release. | |
14 | ||
15 | By default, the manager daemon requires no additional configuration, beyond | |
16 | ensuring it is running. If there is no mgr daemon running, you will | |
17 | see a health warning to that effect, and some of the other information | |
18 | in the output of `ceph status` will be missing or stale until a mgr is started. | |
19 | ||
20 | Use your normal deployment tools, such as ceph-ansible or ceph-deploy, to | |
21 | set up ceph-mgr daemons on each of your mon nodes. It is not mandatory | |
22 | to place mgr daemons on the same nodes as mons, but it is almost always | |
23 | sensible. | |
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> |