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+=========================================
+ ceph-mds -- ceph metadata server daemon
+=========================================
+
+.. program:: ceph-mds
+
+Synopsis
+========
+
+| **ceph-mds** -i *name* [[ --hot-standby [*rank*] ]|[--journal_check *rank*]]
+
+
+Description
+===========
+
+**ceph-mds** is the metadata server daemon for the Ceph distributed file
+system. One or more instances of ceph-mds collectively manage the file
+system namespace, coordinating access to the shared OSD cluster.
+
+Each ceph-mds daemon instance should have a unique name. The name is used
+to identify daemon instances in the ceph.conf.
+
+Once the daemon has started, the monitor cluster will normally assign
+it a logical rank, or put it in a standby pool to take over for
+another daemon that crashes. Some of the specified options can cause
+other behaviors.
+
+If you specify hot-standby or journal-check, you must either specify
+the rank on the command line, or specify one of the
+mds_standby_for_[rank|name] parameters in the config.  The command
+line specification overrides the config, and specifying the rank
+overrides specifying the name.
+
+
+Options
+=======
+
+.. option:: -f, --foreground
+
+   Foreground: do not daemonize after startup (run in foreground). Do
+   not generate a pid file. Useful when run via :doc:`ceph-run
+   <ceph-run>`\(8).
+
+.. option:: -d
+
+   Debug mode: like ``-f``, but also send all log output to stderr.
+
+.. option:: -c ceph.conf, --conf=ceph.conf
+
+   Use *ceph.conf* configuration file instead of the default
+   ``/etc/ceph/ceph.conf`` to determine monitor addresses during
+   startup.
+
+.. option:: -m monaddress[:port]
+
+   Connect to specified monitor (instead of looking through
+   ``ceph.conf``).
+
+.. option:: --journal-check <rank>
+
+    Attempt to replay the journal for MDS <rank>, then exit.
+
+.. option:: --hot-standby <rank>
+
+    Start as a hot standby for MDS <rank>.
+
+Availability
+============
+
+**ceph-mds** is part of Ceph, a massively scalable, open-source, distributed storage system. Please refer to the Ceph documentation at
+http://ceph.com/docs for more information.
+
+
+See also
+========
+
+:doc:`ceph <ceph>`\(8),
+:doc:`ceph-mon <ceph-mon>`\(8),
+:doc:`ceph-osd <ceph-osd>`\(8)