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CEPH-CONF(8)			     Ceph			  CEPH-CONF(8)

NAME
       ceph-conf - ceph	conf file tool

SYNOPSIS
       ceph-conf -c conffile --list-all-sections
       ceph-conf -c conffile -L
       ceph-conf -c conffile -l	prefix
       ceph-conf key -s	section1 ...
       ceph-conf [-s section ] [-r] --lookup key
       ceph-conf [-s section ] key

DESCRIPTION
       ceph-conf  is  a	utility	for getting information	from a ceph configura-
       tion file. As with most Ceph programs, you can specify which Ceph  con-
       figuration file to use with the -c flag.

       Note that unlike	other ceph tools, ceph-conf will only read from	config
       files (or return	compiled-in default values)--it	will not fetch	config
       values  from  the  monitor  cluster.  For this reason it	is recommended
       that ceph-conf only be used in legacy environments  that	 are  strictly
       config-file  based.   New  deployments and tools	should instead rely on
       either querying the monitor explicitly for  configuration  (e.g.,  ceph
       config get <daemon> <option>) or	use daemons themselves to fetch	effec-
       tive  config  options  (e.g.,  ceph-osd	-i   123   --show-config-value
       osd_data).   The	 latter	option has the advantages of drawing from com-
       piled-in	defaults (which	occasionally  vary  between  daemons),	config
       files,  and  the	 monitor's  config database, providing the exact value
       that that daemon	would be using if it were started.

ACTIONS
       ceph-conf performs one of the following actions:

       -L, --list-all-sections
	      list all sections	in the configuration file.

       -l, --list-sections *prefix*
	      list  the	 sections  with	 the  given   prefix.	For   example,
	      --list-sections mon would	list all sections beginning with mon.

       --lookup	*key*
	      search  and  print  the  specified  configuration	setting. Note:
	      --lookup is the default action. If no other actions are given on
	      the command line,	we will	default	to doing a lookup.

       -h, --help
	      print a summary of usage.

OPTIONS
       -c *conffile*
	      the Ceph configuration file.

       --filter-key *key*
	      filter  section list to only include sections with given key de-
	      fined.

       --filter-key-value *key*	``=`` *value*
	      filter  section  list  to	 only  include	sections  with	 given
	      key/value	pair.

       --name *type.id*
	      the  Ceph	 name  in  which  the  sections	 are searched (default
	      'client.admin').	For example, if	we specify --name  osd.0,  the
	      following	sections will be searched: [osd.0], [osd], [global]

       -r, --resolve-search
	      search  for  the first file that exists and can be opened	in the
	      resulted comma delimited search list.

       -s, --section
	      additional sections to search.  These additional	sections  will
	      be searched before the sections that would normally be searched.
	      As always, the first matching entry we find will be returned.

EXAMPLES
       To find out what	value osd 0 will use for the "osd data"	option:

	  ceph-conf -c foo.conf	 --name	osd.0 --lookup "osd data"

       To find out what	value will mds a use for the "log file"	option:

	  ceph-conf -c foo.conf	 --name	mds.a "log file"

       To list all sections that begin with "osd":

	  ceph-conf -c foo.conf	-l osd

       To list all sections:

	  ceph-conf -c foo.conf	-L

       To print	the path of the	"keyring" used by "client.0":

	  ceph-conf --name client.0 -r -l keyring

FILES
       /etc/ceph/$cluster.conf,	~/.ceph/$cluster.conf, $cluster.conf

       the Ceph	configuration files to use if not specified.

AVAILABILITY
       ceph-conf is part of Ceph, a massively scalable,	open-source,  distrib-
       uted  storage  system.	Please	refer  to  the	Ceph  documentation at
       http://ceph.com/docs for	more information.

SEE ALSO
       ceph(8),

COPYRIGHT
       2010-2014, Inktank Storage, Inc.	and contributors. Licensed under  Cre-
       ative Commons Attribution Share Alike 3.0 (CC-BY-SA-3.0)

dev				 Aug 28, 2020			  CEPH-CONF(8)

NAME | SYNOPSIS | DESCRIPTION | ACTIONS | OPTIONS | EXAMPLES | FILES | AVAILABILITY | SEE ALSO | COPYRIGHT

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