Provided by: ceph-mds_10.1.1-0ubuntu1_i386 bug


       ceph-mds - ceph metadata server daemon


       ceph-mds -i name [[ --hot-standby [rank] ]|[--journal_check rank]]


       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

       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.


       -f, --foreground
              Foreground:  do not daemonize after startup (run in foreground).
              Do not generate a pid file. Useful when run via ceph-run(8).

       -d     Debug mode: like -f, but also send all log output to stderr.

       --setuser userorgid
              Set uid after starting.  If a username is  specified,  the  user
              record  is looked up to get a uid and a gid, and the gid is also
              set as well, unless --setgroup is also specified.

       --setgroup grouporgid
              Set gid after starting.  If a group name is specified the  group
              record is looked up to get a gid.

       -c ceph.conf, --conf=ceph.conf
              Use   ceph.conf   configuration  file  instead  of  the  default
              /etc/ceph/ceph.conf  to  determine  monitor   addresses   during

       -m monaddress[:port]
              Connect   to  specified  monitor  (instead  of  looking  through

       --journal-check <rank>
              Attempt to replay the journal for MDS <rank>, then exit.

       --hot-standby <rank>
              Start as a hot standby for MDS <rank>.


       ceph-mds  is  part  of  Ceph,  a   massively   scalable,   open-source,
       distributed  storage  system. Please refer to the Ceph documentation at for more information.


       ceph(8), ceph-mon(8), ceph-osd(8)


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       Creative Commons BY-SA