``mon data``
-:Description:
+:Description: The monitor's data location.
+:Type: String
+:Default: ``/var/lib/ceph/mon/$cluster-$id``
+
+
+``mon initial members``
+
+:Description: The IDs of initial monitors in a cluster during startup. If specified, Ceph requires an odd number of monitors to form an initial quorum.
:Type: String
-:Default: ""
+:Default: None
+
``mon sync fs threshold``
-:Description: sync when writing this many objects; 0 to disable.
+:Description: Synchronize with the filesystem when writing the specified number of objects. Set it to ``0`` to disable it.
:Type: 32-bit Integer
-:Default: 5
+:Default: ``5``
+
``mon tick interval``
-:Description:
+:Description: A monitor's tick interval in seconds.
:Type: 32-bit Integer
-:Default: 5
+:Default: ``5``
+
``mon subscribe interval``
:Description:
:Type: Double
-:Default: 300
+:Default: ``300``
+
``mon osd auto mark in``
-:Description: mark any booting osds 'in'
+:Description: Ceph will mark any booting OSDs as ``in`` the cluster.
:Type: Boolean
-:Default: false
+:Default: ``false``
+
``mon osd auto mark auto out in``
-:Description: mark booting auto-marked-out osds 'in'
+:Description: Ceph will mark booting OSDs auto marked ``out`` of the cluster as ``in`` the cluster.
:Type: Boolean
-:Default: true
+:Default: ``true``
+
``mon osd auto mark new in``
-:Description: mark booting new osds 'in'
+:Description: Ceph will mark booting new OSDs as ``in`` the cluster.
:Type: Boolean
-:Default: true
+:Default: ``true``
+
``mon osd down out interval``
-:Description: seconds
+:Description: The number of seconds Ceph waits before marking an OSD ``down`` and ``out`` if it doesn't respond.
:Type: 32-bit Integer
:Default: 300
+
+``mon osd min up ratio``
+
+:Description: The minimum ratio of ``up`` OSDs before Ceph will mark OSDs ``down``.
+:Type: Double
+:Default: ``.3``
+
+
+``mon osd min in ratio``
+
+:Description: The minimum ratio of ``in`` OSDs before Ceph will mark OSDs ``out``.
+
+
``mon lease``
:Description: lease interval
:Type: Float
-:Default: 5
+:Default: ``5``
+
``mon lease renew interval``
:Type: Float
:Default: 3
+
``mon lease ack timeout``
:Description: on leader | if lease isn't acked by all peons
:Type: Float
:Default: 10.0
+
``mon clock drift allowed``
-:Description: allowed clock drift between monitors
+:Description: The clock drift in seconds allowed between monitors.
:Type: Float
:Default: .050
+
``mon clock drift warn backoff``
:Description: exponential backoff for clock drift warnings
:Type: Float
:Default: 5
+
``mon accept timeout``
:Description: on leader | if paxos update isn't accepted
:Type: Float
:Default: 10.0
+
``mon pg create interval``
:Description: no more than every 30s
:Type: Float
:Default: 30.0
+
``mon pg stuck threshold``
:Description: number of seconds after which pgs can be considered
:Type: 32-bit Integer
:Default: 300
+
``mon osd full ratio``
-:Description: what % full makes an OSD "full"
+:Description: The percentage of disk space used before an OSD is considered ``full``.
:Type: Float
:Default: .95
+
``mon osd nearfull ratio``
-:Description: what % full makes an OSD near full
+:Description: The percentage of disk space used before an OSD is considered ``nearfull``.
:Type: Float
:Default: .85
+
``mon globalid prealloc``
-:Description: how many globalids to prealloc
+:Description: The number of global IDs to pre-allocate for the cluster.
:Type: 32-bit Integer
:Default: 100
+
``mon osd report timeout``
-:Description: grace period before declaring unresponsive OSDs dead
+:Description: The grace period in seconds before declaring unresponsive OSDs ``down``.
:Type: 32-bit Integer
:Default: 900
+
``mon force standby active``
:Description: should mons force standby-replay mds to be active
:Type: Boolean
:Default: true
+
``mon min osdmap epochs``
:Description:
:Type: 32-bit Integer
:Default: 500
+
``mon max pgmap epochs``
:Description:
:Type: 32-bit Integer
:Default: 500
+
``mon max log epochs``
:Description:
:Type: 32-bit Integer
-:Default: 500
+:Default: 500
+
+
+``mon max osd``
+
+:Description: The maximum number of OSDs allowed in the cluster.
+:Type: 32-bit Integer
+:Default: ``10000``
+
``mon probe timeout``
:Type: Double
:Default: 2.0
+
``mon slurp timeout``
:Description:
:Type: Double
:Default: 10.0
+
+
+``mon slurp bytes``
+
+:Description: Limits the slurp messages to the specified number of bytes.
+:Type: 32-bit Integer
+:Default: ``256 * 1024``
+
+
+``mon client bytes``
+
+:Description: The amount of client message data allowed in memory (in bytes).
+:Type: 64-bit Integer Unsigned
+:Default: ``100ul << 20``
+
+
+``mon daemon bytes``
+
+:Description: The message memory cap for metadata server and OSD messages (in bytes).
+:Type: 64-bit Integer Unsigned
+:Default: ``400ul << 20``
+
+
+``mon max log entries per event``
+
+:Description: The maximum number of log entries per event.
+:Type: Integer
+:Default: ``4096``
+