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* refs/pull/24109/head: doc: update docs for device management mgr: make devicehealth always-on mgr/devicehealth: do not create metrics pool on get-device-metrics mgr/devicehealth: converge OPTIONS and DEFAULTS mgr/devicehealth: squelch health warnings for unused devices mgr/devicehealth: show-health-metrics -> get-health-metrics Reviewed-by: John Spray <john.spray@redhat.com>
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46 lines
1.5 KiB
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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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Writing orchestrator plugins <orchestrator_modules>
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Dashboard plugin <dashboard>
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DiskPrediction plugin <diskprediction>
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Local pool plugin <localpool>
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RESTful plugin <restful>
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Zabbix plugin <zabbix>
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Prometheus plugin <prometheus>
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Influx plugin <influx>
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Hello plugin <hello>
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Telegraf plugin <telegraf>
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Telemetry plugin <telemetry>
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Iostat plugin <iostat>
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Crash plugin <crash>
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Orchestrator CLI plugin <orchestrator_cli>
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Rook plugin <rook>
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Insights plugin <insights>
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