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https://github.com/ceph/ceph
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133 lines
3.1 KiB
ReStructuredText
133 lines
3.1 KiB
ReStructuredText
==========================
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General Config Reference
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==========================
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``fsid``
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:Description: The filesystem ID. One per cluster.
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:Type: UUID
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:Required: No.
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:Default: N/A. Generated if not specified.
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``mon host``
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:Description: A list of ``{hostname}:{port}`` entries that clients can use to
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connect to a Ceph monitor. If not set, Ceph searches ``[mon.*]``
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sections.
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:Type: String
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:Required: No
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:Default: N/A
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``host``
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:Description: The hostname. Use this setting for specific daemon instances
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(e.g., ``[osd.0]``).
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:Type: String
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:Required: Yes, for daemon instances.
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:Default: ``localhost``
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.. tip:: Do not use ``localhost``. To get your host name, execute
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``hostname -s`` on your command line and use the name of your host
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(to the first period, not the fully-qualified domain name).
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.. important:: You should not specify any value for ``host`` when using a third
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party deployment system that retrieves the host name for you.
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``public network``
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:Description: The IP address and netmask of the public (front-side) network
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(e.g., ``10.20.30.40/24``). Set in ``[global]``. You may specify
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comma-delimited subnets.
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:Type: ``{ip-address}/{netmask} [, {ip-address}/{netmask}]``
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:Required: No
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:Default: N/A
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``public addr``
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:Description: The IP address for the public (front-side) network.
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Set for each daemon.
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:Type: IP Address
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:Required: No
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:Default: N/A
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``cluster network``
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:Description: The IP address and netmask of the cluster (back-side) network
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(e.g., ``10.20.30.41/24``). Set in ``[global]``. You may specify
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comma-delimited subnets.
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:Type: ``{ip-address}/{netmask} [, {ip-address}/{netmask}]``
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:Required: No
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:Default: N/A
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``cluster addr``
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:Description: The IP address for the cluster (back-side) network.
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Set for each daemon.
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:Type: Address
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:Required: No
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:Default: N/A
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``admin socket``
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:Description: The socket for executing administrative commands irrespective
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of whether Ceph monitors have established a quorum.
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:Type: String
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:Required: No
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:Default: ``/var/run/ceph/$cluster-$name.asok``
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``pid file``
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:Description: Each running Ceph daemon has a running
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process identifier (PID) file.
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:Type: String
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:Required: No
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:Default: N/A. The default path is ``/var/run/$cluster/$name.pid``. The PID file is generated upon start-up.
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``chdir``
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:Description: The directory Ceph daemons change to once they are
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up and running. Default ``/`` directory recommended.
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:Type: String
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:Required: No
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:Default: ``/``
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``max open files``
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:Description: If set, when the Ceph service starts, Ceph sets the
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``max open fds`` at the OS level (i.e., the max # of file
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descriptors). It helps prevents OSDs from running out of
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file descriptors.
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:Type: 64-bit Integer
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:Required: No
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:Default: ``0``
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``fatal signal handlers``
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:Description: If set, we will install signal handlers for SEGV, ABRT, BUS, ILL,
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FPE, XCPU, XFSZ, SYS signals to generate a useful log message
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:Type: Boolean
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:Default: ``true``
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