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7c673cae FG |
1 | |
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 | ||
31f18b77 FG |
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 | ||
7c673cae FG |
25 | .. toctree:: |
26 | :maxdepth: 1 | |
27 | ||
28 | Installation and Configuration <administrator> | |
3efd9988 | 29 | Writing plugins <plugins> |
28e407b8 | 30 | Balancer plugin <balancer> |
c07f9fc5 | 31 | Dashboard plugin <dashboard> |
3efd9988 | 32 | Local pool plugin <localpool> |
c07f9fc5 FG |
33 | RESTful plugin <restful> |
34 | Zabbix plugin <zabbix> | |
35 | Prometheus plugin <prometheus> | |
3efd9988 | 36 | Influx plugin <influx> |
7c673cae | 37 |