NAME¶
ceph-mds - ceph metadata server daemon
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¶
- -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.
- -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.
- -m monaddress[:port]
- Connect to specified monitor (instead of looking through
ceph.conf).
AVAILABILITY¶
ceph-mon is part of the Ceph distributed storage system. Please refer to
the Ceph documentation at
http://ceph.com/docs for more information.
SEE ALSO¶
ceph(8),
ceph-mon(8),
ceph-osd(8)
COPYRIGHT¶
2010-2014, Inktank Storage, Inc. and contributors. Licensed under Creative
Commons BY-SA
