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authorQiaowei Ren <qiaowei.ren@intel.com>2018-03-01 14:38:11 +0800
committerQiaowei Ren <qiaowei.ren@intel.com>2018-03-01 14:38:11 +0800
commit7da45d65be36d36b880cc55c5036e96c24b53f00 (patch)
treed4f944eb4f8f8de50a9a7584ffa408dc3a3185b2 /src/ceph/doc/man/8/ceph.rst
parent691462d09d0987b47e112d6ee8740375df3c51b2 (diff)
remove ceph code
This patch removes initial ceph code, due to license issue. Change-Id: I092d44f601cdf34aed92300fe13214925563081c Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
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-:orphan:
-
-==================================
- ceph -- ceph administration tool
-==================================
-
-.. program:: ceph
-
-Synopsis
-========
-
-| **ceph** **auth** [ *add* \| *caps* \| *del* \| *export* \| *get* \| *get-key* \| *get-or-create* \| *get-or-create-key* \| *import* \| *list* \| *print-key* \| *print_key* ] ...
-
-| **ceph** **compact**
-
-| **ceph** **config-key** [ *del* | *exists* | *get* | *list* | *dump* | *put* ] ...
-
-| **ceph** **daemon** *<name>* \| *<path>* *<command>* ...
-
-| **ceph** **daemonperf** *<name>* \| *<path>* [ *interval* [ *count* ] ]
-
-| **ceph** **df** *{detail}*
-
-| **ceph** **fs** [ *ls* \| *new* \| *reset* \| *rm* ] ...
-
-| **ceph** **fsid**
-
-| **ceph** **health** *{detail}*
-
-| **ceph** **heap** [ *dump* \| *start_profiler* \| *stop_profiler* \| *release* \| *stats* ] ...
-
-| **ceph** **injectargs** *<injectedargs>* [ *<injectedargs>*... ]
-
-| **ceph** **log** *<logtext>* [ *<logtext>*... ]
-
-| **ceph** **mds** [ *compat* \| *deactivate* \| *fail* \| *rm* \| *rmfailed* \| *set_state* \| *stat* \| *tell* ] ...
-
-| **ceph** **mon** [ *add* \| *dump* \| *getmap* \| *remove* \| *stat* ] ...
-
-| **ceph** **mon_status**
-
-| **ceph** **osd** [ *blacklist* \| *blocked-by* \| *create* \| *new* \| *deep-scrub* \| *df* \| *down* \| *dump* \| *erasure-code-profile* \| *find* \| *getcrushmap* \| *getmap* \| *getmaxosd* \| *in* \| *lspools* \| *map* \| *metadata* \| *ok-to-stop* \| *out* \| *pause* \| *perf* \| *pg-temp* \| *force-create-pg* \| *primary-affinity* \| *primary-temp* \| *repair* \| *reweight* \| *reweight-by-pg* \| *rm* \| *destroy* \| *purge* \| *safe-to-destroy* \| *scrub* \| *set* \| *setcrushmap* \| *setmaxosd* \| *stat* \| *tree* \| *unpause* \| *unset* ] ...
-
-| **ceph** **osd** **crush** [ *add* \| *add-bucket* \| *create-or-move* \| *dump* \| *get-tunable* \| *link* \| *move* \| *remove* \| *rename-bucket* \| *reweight* \| *reweight-all* \| *reweight-subtree* \| *rm* \| *rule* \| *set* \| *set-tunable* \| *show-tunables* \| *tunables* \| *unlink* ] ...
-
-| **ceph** **osd** **pool** [ *create* \| *delete* \| *get* \| *get-quota* \| *ls* \| *mksnap* \| *rename* \| *rmsnap* \| *set* \| *set-quota* \| *stats* ] ...
-
-| **ceph** **osd** **tier** [ *add* \| *add-cache* \| *cache-mode* \| *remove* \| *remove-overlay* \| *set-overlay* ] ...
-
-| **ceph** **pg** [ *debug* \| *deep-scrub* \| *dump* \| *dump_json* \| *dump_pools_json* \| *dump_stuck* \| *force_create_pg* \| *getmap* \| *ls* \| *ls-by-osd* \| *ls-by-pool* \| *ls-by-primary* \| *map* \| *repair* \| *scrub* \| *set_full_ratio* \| *set_nearfull_ratio* \| *stat* ] ...
-
-| **ceph** **quorum** [ *enter* \| *exit* ]
-
-| **ceph** **quorum_status**
-
-| **ceph** **report** { *<tags>* [ *<tags>...* ] }
-
-| **ceph** **scrub**
-
-| **ceph** **status**
-
-| **ceph** **sync** **force** {--yes-i-really-mean-it} {--i-know-what-i-am-doing}
-
-| **ceph** **tell** *<name (type.id)> <args> [<args>...]*
-
-| **ceph** **version**
-
-Description
-===========
-
-:program:`ceph` is a control utility which is used for manual deployment and maintenance
-of a Ceph cluster. It provides a diverse set of commands that allows deployment of
-monitors, OSDs, placement groups, MDS and overall maintenance, administration
-of the cluster.
-
-Commands
-========
-
-auth
-----
-
-Manage authentication keys. It is used for adding, removing, exporting
-or updating of authentication keys for a particular entity such as a monitor or
-OSD. It uses some additional subcommands.
-
-Subcommand ``add`` adds authentication info for a particular entity from input
-file, or random key if no input is given and/or any caps specified in the command.
-
-Usage::
-
- ceph auth add <entity> {<caps> [<caps>...]}
-
-Subcommand ``caps`` updates caps for **name** from caps specified in the command.
-
-Usage::
-
- ceph auth caps <entity> <caps> [<caps>...]
-
-Subcommand ``del`` deletes all caps for ``name``.
-
-Usage::
-
- ceph auth del <entity>
-
-Subcommand ``export`` writes keyring for requested entity, or master keyring if
-none given.
-
-Usage::
-
- ceph auth export {<entity>}
-
-Subcommand ``get`` writes keyring file with requested key.
-
-Usage::
-
- ceph auth get <entity>
-
-Subcommand ``get-key`` displays requested key.
-
-Usage::
-
- ceph auth get-key <entity>
-
-Subcommand ``get-or-create`` adds authentication info for a particular entity
-from input file, or random key if no input given and/or any caps specified in the
-command.
-
-Usage::
-
- ceph auth get-or-create <entity> {<caps> [<caps>...]}
-
-Subcommand ``get-or-create-key`` gets or adds key for ``name`` from system/caps
-pairs specified in the command. If key already exists, any given caps must match
-the existing caps for that key.
-
-Usage::
-
- ceph auth get-or-create-key <entity> {<caps> [<caps>...]}
-
-Subcommand ``import`` reads keyring from input file.
-
-Usage::
-
- ceph auth import
-
-Subcommand ``ls`` lists authentication state.
-
-Usage::
-
- ceph auth ls
-
-Subcommand ``print-key`` displays requested key.
-
-Usage::
-
- ceph auth print-key <entity>
-
-Subcommand ``print_key`` displays requested key.
-
-Usage::
-
- ceph auth print_key <entity>
-
-
-compact
--------
-
-Causes compaction of monitor's leveldb storage.
-
-Usage::
-
- ceph compact
-
-
-config-key
-----------
-
-Manage configuration key. It uses some additional subcommands.
-
-Subcommand ``del`` deletes configuration key.
-
-Usage::
-
- ceph config-key del <key>
-
-Subcommand ``exists`` checks for configuration keys existence.
-
-Usage::
-
- ceph config-key exists <key>
-
-Subcommand ``get`` gets the configuration key.
-
-Usage::
-
- ceph config-key get <key>
-
-Subcommand ``list`` lists configuration keys.
-
-Usage::
-
- ceph config-key ls
-
-Subcommand ``dump`` dumps configuration keys and values.
-
-Usage::
-
- ceph config-key dump
-
-Subcommand ``set`` puts configuration key and value.
-
-Usage::
-
- ceph config-key set <key> {<val>}
-
-
-daemon
-------
-
-Submit admin-socket commands.
-
-Usage::
-
- ceph daemon {daemon_name|socket_path} {command} ...
-
-Example::
-
- ceph daemon osd.0 help
-
-
-daemonperf
-----------
-
-Watch performance counters from a Ceph daemon.
-
-Usage::
-
- ceph daemonperf {daemon_name|socket_path} [{interval} [{count}]]
-
-
-df
---
-
-Show cluster's free space status.
-
-Usage::
-
- ceph df {detail}
-
-.. _ceph features:
-
-features
---------
-
-Show the releases and features of all connected daemons and clients connected
-to the cluster, along with the numbers of them in each bucket grouped by the
-corresponding features/releases. Each release of Ceph supports a different set
-of features, expressed by the features bitmask. New cluster features require
-that clients support the feature, or else they are not allowed to connect to
-these new features. As new features or capabilities are enabled after an
-upgrade, older clients are prevented from connecting.
-
-Usage::
-
- ceph features
-
-fs
---
-
-Manage cephfs filesystems. It uses some additional subcommands.
-
-Subcommand ``ls`` to list filesystems
-
-Usage::
-
- ceph fs ls
-
-Subcommand ``new`` to make a new filesystem using named pools <metadata> and <data>
-
-Usage::
-
- ceph fs new <fs_name> <metadata> <data>
-
-Subcommand ``reset`` is used for disaster recovery only: reset to a single-MDS map
-
-Usage::
-
- ceph fs reset <fs_name> {--yes-i-really-mean-it}
-
-Subcommand ``rm`` to disable the named filesystem
-
-Usage::
-
- ceph fs rm <fs_name> {--yes-i-really-mean-it}
-
-
-fsid
-----
-
-Show cluster's FSID/UUID.
-
-Usage::
-
- ceph fsid
-
-
-health
-------
-
-Show cluster's health.
-
-Usage::
-
- ceph health {detail}
-
-
-heap
-----
-
-Show heap usage info (available only if compiled with tcmalloc)
-
-Usage::
-
- ceph heap dump|start_profiler|stop_profiler|release|stats
-
-
-injectargs
-----------
-
-Inject configuration arguments into monitor.
-
-Usage::
-
- ceph injectargs <injected_args> [<injected_args>...]
-
-
-log
----
-
-Log supplied text to the monitor log.
-
-Usage::
-
- ceph log <logtext> [<logtext>...]
-
-
-mds
----
-
-Manage metadata server configuration and administration. It uses some
-additional subcommands.
-
-Subcommand ``compat`` manages compatible features. It uses some additional
-subcommands.
-
-Subcommand ``rm_compat`` removes compatible feature.
-
-Usage::
-
- ceph mds compat rm_compat <int[0-]>
-
-Subcommand ``rm_incompat`` removes incompatible feature.
-
-Usage::
-
- ceph mds compat rm_incompat <int[0-]>
-
-Subcommand ``show`` shows mds compatibility settings.
-
-Usage::
-
- ceph mds compat show
-
-Subcommand ``deactivate`` stops mds.
-
-Usage::
-
- ceph mds deactivate <who>
-
-Subcommand ``fail`` forces mds to status fail.
-
-Usage::
-
- ceph mds fail <who>
-
-Subcommand ``rm`` removes inactive mds.
-
-Usage::
-
- ceph mds rm <int[0-]> <name> (type.id)>
-
-Subcommand ``rmfailed`` removes failed mds.
-
-Usage::
-
- ceph mds rmfailed <int[0-]>
-
-Subcommand ``set_state`` sets mds state of <gid> to <numeric-state>.
-
-Usage::
-
- ceph mds set_state <int[0-]> <int[0-20]>
-
-Subcommand ``stat`` shows MDS status.
-
-Usage::
-
- ceph mds stat
-
-Subcommand ``tell`` sends command to particular mds.
-
-Usage::
-
- ceph mds tell <who> <args> [<args>...]
-
-mon
----
-
-Manage monitor configuration and administration. It uses some additional
-subcommands.
-
-Subcommand ``add`` adds new monitor named <name> at <addr>.
-
-Usage::
-
- ceph mon add <name> <IPaddr[:port]>
-
-Subcommand ``dump`` dumps formatted monmap (optionally from epoch)
-
-Usage::
-
- ceph mon dump {<int[0-]>}
-
-Subcommand ``getmap`` gets monmap.
-
-Usage::
-
- ceph mon getmap {<int[0-]>}
-
-Subcommand ``remove`` removes monitor named <name>.
-
-Usage::
-
- ceph mon remove <name>
-
-Subcommand ``stat`` summarizes monitor status.
-
-Usage::
-
- ceph mon stat
-
-mon_status
-----------
-
-Reports status of monitors.
-
-Usage::
-
- ceph mon_status
-
-mgr
----
-
-Ceph manager daemon configuration and management.
-
-Subcommand ``dump`` dumps the latest MgrMap, which describes the active
-and standby manager daemons.
-
-Usage::
-
- ceph mgr dump
-
-Subcommand ``fail`` will mark a manager daemon as failed, removing it
-from the manager map. If it is the active manager daemon a standby
-will take its place.
-
-Usage::
-
- ceph mgr fail <name>
-
-Subcommand ``module ls`` will list currently enabled manager modules (plugins).
-
-Usage::
-
- ceph mgr module ls
-
-Subcommand ``module enable`` will enable a manager module. Available modules are included in MgrMap and visible via ``mgr dump``.
-
-Usage::
-
- ceph mgr module enable <module>
-
-Subcommand ``module disable`` will disable an active manager module.
-
-Usage::
-
- ceph mgr module disable <module>
-
-Subcommand ``metadata`` will report metadata about all manager daemons or, if the name is specified, a single manager daemon.
-
-Usage::
-
- ceph mgr metadata [name]
-
-Subcommand ``versions`` will report a count of running daemon versions.
-
-Usage::
-
- ceph mgr versions
-
-Subcommand ``count-metadata`` will report a count of any daemon metadata field.
-
-Usage::
-
- ceph mgr count-metadata <field>
-
-
-osd
----
-
-Manage OSD configuration and administration. It uses some additional
-subcommands.
-
-Subcommand ``blacklist`` manage blacklisted clients. It uses some additional
-subcommands.
-
-Subcommand ``add`` add <addr> to blacklist (optionally until <expire> seconds
-from now)
-
-Usage::
-
- ceph osd blacklist add <EntityAddr> {<float[0.0-]>}
-
-Subcommand ``ls`` show blacklisted clients
-
-Usage::
-
- ceph osd blacklist ls
-
-Subcommand ``rm`` remove <addr> from blacklist
-
-Usage::
-
- ceph osd blacklist rm <EntityAddr>
-
-Subcommand ``blocked-by`` prints a histogram of which OSDs are blocking their peers
-
-Usage::
-
- ceph osd blocked-by
-
-Subcommand ``create`` creates new osd (with optional UUID and ID).
-
-This command is DEPRECATED as of the Luminous release, and will be removed in
-a future release.
-
-Subcommand ``new`` should instead be used.
-
-Usage::
-
- ceph osd create {<uuid>} {<id>}
-
-Subcommand ``new`` can be used to create a new OSD or to recreate a previously
-destroyed OSD with a specific *id*. The new OSD will have the specified *uuid*,
-and the command expects a JSON file containing the base64 cephx key for auth
-entity *client.osd.<id>*, as well as optional base64 cepx key for dm-crypt
-lockbox access and a dm-crypt key. Specifying a dm-crypt requires specifying
-the accompanying lockbox cephx key.
-
-Usage::
-
- ceph osd new {<uuid>} {<id>} -i {<secrets.json>}
-
-The secrets JSON file is optional but if provided, is expected to maintain
-a form of the following format::
-
- {
- "cephx_secret": "AQBWtwhZdBO5ExAAIDyjK2Bh16ZXylmzgYYEjg=="
- }
-
-Or::
-
- {
- "cephx_secret": "AQBWtwhZdBO5ExAAIDyjK2Bh16ZXylmzgYYEjg==",
- "cephx_lockbox_secret": "AQDNCglZuaeVCRAAYr76PzR1Anh7A0jswkODIQ==",
- "dmcrypt_key": "<dm-crypt key>"
- }
-
-
-Subcommand ``crush`` is used for CRUSH management. It uses some additional
-subcommands.
-
-Subcommand ``add`` adds or updates crushmap position and weight for <name> with
-<weight> and location <args>.
-
-Usage::
-
- ceph osd crush add <osdname (id|osd.id)> <float[0.0-]> <args> [<args>...]
-
-Subcommand ``add-bucket`` adds no-parent (probably root) crush bucket <name> of
-type <type>.
-
-Usage::
-
- ceph osd crush add-bucket <name> <type>
-
-Subcommand ``create-or-move`` creates entry or moves existing entry for <name>
-<weight> at/to location <args>.
-
-Usage::
-
- ceph osd crush create-or-move <osdname (id|osd.id)> <float[0.0-]> <args>
- [<args>...]
-
-Subcommand ``dump`` dumps crush map.
-
-Usage::
-
- ceph osd crush dump
-
-Subcommand ``get-tunable`` get crush tunable straw_calc_version
-
-Usage::
-
- ceph osd crush get-tunable straw_calc_version
-
-Subcommand ``link`` links existing entry for <name> under location <args>.
-
-Usage::
-
- ceph osd crush link <name> <args> [<args>...]
-
-Subcommand ``move`` moves existing entry for <name> to location <args>.
-
-Usage::
-
- ceph osd crush move <name> <args> [<args>...]
-
-Subcommand ``remove`` removes <name> from crush map (everywhere, or just at
-<ancestor>).
-
-Usage::
-
- ceph osd crush remove <name> {<ancestor>}
-
-Subcommand ``rename-bucket`` renames buchket <srcname> to <stname>
-
-Usage::
-
- ceph osd crush rename-bucket <srcname> <dstname>
-
-Subcommand ``reweight`` change <name>'s weight to <weight> in crush map.
-
-Usage::
-
- ceph osd crush reweight <name> <float[0.0-]>
-
-Subcommand ``reweight-all`` recalculate the weights for the tree to
-ensure they sum correctly
-
-Usage::
-
- ceph osd crush reweight-all
-
-Subcommand ``reweight-subtree`` changes all leaf items beneath <name>
-to <weight> in crush map
-
-Usage::
-
- ceph osd crush reweight-subtree <name> <weight>
-
-Subcommand ``rm`` removes <name> from crush map (everywhere, or just at
-<ancestor>).
-
-Usage::
-
- ceph osd crush rm <name> {<ancestor>}
-
-Subcommand ``rule`` is used for creating crush rules. It uses some additional
-subcommands.
-
-Subcommand ``create-erasure`` creates crush rule <name> for erasure coded pool
-created with <profile> (default default).
-
-Usage::
-
- ceph osd crush rule create-erasure <name> {<profile>}
-
-Subcommand ``create-simple`` creates crush rule <name> to start from <root>,
-replicate across buckets of type <type>, using a choose mode of <firstn|indep>
-(default firstn; indep best for erasure pools).
-
-Usage::
-
- ceph osd crush rule create-simple <name> <root> <type> {firstn|indep}
-
-Subcommand ``dump`` dumps crush rule <name> (default all).
-
-Usage::
-
- ceph osd crush rule dump {<name>}
-
-Subcommand ``ls`` lists crush rules.
-
-Usage::
-
- ceph osd crush rule ls
-
-Subcommand ``rm`` removes crush rule <name>.
-
-Usage::
-
- ceph osd crush rule rm <name>
-
-Subcommand ``set`` used alone, sets crush map from input file.
-
-Usage::
-
- ceph osd crush set
-
-Subcommand ``set`` with osdname/osd.id update crushmap position and weight
-for <name> to <weight> with location <args>.
-
-Usage::
-
- ceph osd crush set <osdname (id|osd.id)> <float[0.0-]> <args> [<args>...]
-
-Subcommand ``set-tunable`` set crush tunable <tunable> to <value>. The only
-tunable that can be set is straw_calc_version.
-
-Usage::
-
- ceph osd crush set-tunable straw_calc_version <value>
-
-Subcommand ``show-tunables`` shows current crush tunables.
-
-Usage::
-
- ceph osd crush show-tunables
-
-Subcommand ``tree`` shows the crush buckets and items in a tree view.
-
-Usage::
-
- ceph osd crush tree
-
-Subcommand ``tunables`` sets crush tunables values to <profile>.
-
-Usage::
-
- ceph osd crush tunables legacy|argonaut|bobtail|firefly|hammer|optimal|default
-
-Subcommand ``unlink`` unlinks <name> from crush map (everywhere, or just at
-<ancestor>).
-
-Usage::
-
- ceph osd crush unlink <name> {<ancestor>}
-
-Subcommand ``df`` shows OSD utilization
-
-Usage::
-
- ceph osd df {plain|tree}
-
-Subcommand ``deep-scrub`` initiates deep scrub on specified osd.
-
-Usage::
-
- ceph osd deep-scrub <who>
-
-Subcommand ``down`` sets osd(s) <id> [<id>...] down.
-
-Usage::
-
- ceph osd down <ids> [<ids>...]
-
-Subcommand ``dump`` prints summary of OSD map.
-
-Usage::
-
- ceph osd dump {<int[0-]>}
-
-Subcommand ``erasure-code-profile`` is used for managing the erasure code
-profiles. It uses some additional subcommands.
-
-Subcommand ``get`` gets erasure code profile <name>.
-
-Usage::
-
- ceph osd erasure-code-profile get <name>
-
-Subcommand ``ls`` lists all erasure code profiles.
-
-Usage::
-
- ceph osd erasure-code-profile ls
-
-Subcommand ``rm`` removes erasure code profile <name>.
-
-Usage::
-
- ceph osd erasure-code-profile rm <name>
-
-Subcommand ``set`` creates erasure code profile <name> with [<key[=value]> ...]
-pairs. Add a --force at the end to override an existing profile (IT IS RISKY).
-
-Usage::
-
- ceph osd erasure-code-profile set <name> {<profile> [<profile>...]}
-
-Subcommand ``find`` find osd <id> in the CRUSH map and shows its location.
-
-Usage::
-
- ceph osd find <int[0-]>
-
-Subcommand ``getcrushmap`` gets CRUSH map.
-
-Usage::
-
- ceph osd getcrushmap {<int[0-]>}
-
-Subcommand ``getmap`` gets OSD map.
-
-Usage::
-
- ceph osd getmap {<int[0-]>}
-
-Subcommand ``getmaxosd`` shows largest OSD id.
-
-Usage::
-
- ceph osd getmaxosd
-
-Subcommand ``in`` sets osd(s) <id> [<id>...] in.
-
-Usage::
-
- ceph osd in <ids> [<ids>...]
-
-Subcommand ``lost`` marks osd as permanently lost. THIS DESTROYS DATA IF NO
-MORE REPLICAS EXIST, BE CAREFUL.
-
-Usage::
-
- ceph osd lost <int[0-]> {--yes-i-really-mean-it}
-
-Subcommand ``ls`` shows all OSD ids.
-
-Usage::
-
- ceph osd ls {<int[0-]>}
-
-Subcommand ``lspools`` lists pools.
-
-Usage::
-
- ceph osd lspools {<int>}
-
-Subcommand ``map`` finds pg for <object> in <pool>.
-
-Usage::
-
- ceph osd map <poolname> <objectname>
-
-Subcommand ``metadata`` fetches metadata for osd <id>.
-
-Usage::
-
- ceph osd metadata {int[0-]} (default all)
-
-Subcommand ``out`` sets osd(s) <id> [<id>...] out.
-
-Usage::
-
- ceph osd out <ids> [<ids>...]
-
-Subcommand ``ok-to-stop`` checks whether the list of OSD(s) can be
-stopped without immediately making data unavailable. That is, all
-data should remain readable and writeable, although data redundancy
-may be reduced as some PGs may end up in a degraded (but active)
-state. It will return a success code if it is okay to stop the
-OSD(s), or an error code and informative message if it is not or if no
-conclusion can be drawn at the current time.
-
-Usage::
-
- ceph osd ok-to-stop <id> [<ids>...]
-
-Subcommand ``pause`` pauses osd.
-
-Usage::
-
- ceph osd pause
-
-Subcommand ``perf`` prints dump of OSD perf summary stats.
-
-Usage::
-
- ceph osd perf
-
-Subcommand ``pg-temp`` set pg_temp mapping pgid:[<id> [<id>...]] (developers
-only).
-
-Usage::
-
- ceph osd pg-temp <pgid> {<id> [<id>...]}
-
-Subcommand ``force-create-pg`` forces creation of pg <pgid>.
-
-Usage::
-
- ceph osd force-create-pg <pgid>
-
-
-Subcommand ``pool`` is used for managing data pools. It uses some additional
-subcommands.
-
-Subcommand ``create`` creates pool.
-
-Usage::
-
- ceph osd pool create <poolname> <int[0-]> {<int[0-]>} {replicated|erasure}
- {<erasure_code_profile>} {<ruleset>} {<int>}
-
-Subcommand ``delete`` deletes pool.
-
-Usage::
-
- ceph osd pool delete <poolname> {<poolname>} {--yes-i-really-really-mean-it}
-
-Subcommand ``get`` gets pool parameter <var>.
-
-Usage::
-
- ceph osd pool get <poolname> size|min_size|crash_replay_interval|pg_num|
- pgp_num|crush_ruleset|auid|write_fadvise_dontneed
-
-Only for tiered pools::
-
- ceph osd pool get <poolname> hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|
- target_max_objects|target_max_bytes|cache_target_dirty_ratio|cache_target_dirty_high_ratio|
- cache_target_full_ratio|cache_min_flush_age|cache_min_evict_age|
- min_read_recency_for_promote|hit_set_grade_decay_rate|hit_set_search_last_n
-
-Only for erasure coded pools::
-
- ceph osd pool get <poolname> erasure_code_profile
-
-Use ``all`` to get all pool parameters that apply to the pool's type::
-
- ceph osd pool get <poolname> all
-
-Subcommand ``get-quota`` obtains object or byte limits for pool.
-
-Usage::
-
- ceph osd pool get-quota <poolname>
-
-Subcommand ``ls`` list pools
-
-Usage::
-
- ceph osd pool ls {detail}
-
-Subcommand ``mksnap`` makes snapshot <snap> in <pool>.
-
-Usage::
-
- ceph osd pool mksnap <poolname> <snap>
-
-Subcommand ``rename`` renames <srcpool> to <destpool>.
-
-Usage::
-
- ceph osd pool rename <poolname> <poolname>
-
-Subcommand ``rmsnap`` removes snapshot <snap> from <pool>.
-
-Usage::
-
- ceph osd pool rmsnap <poolname> <snap>
-
-Subcommand ``set`` sets pool parameter <var> to <val>.
-
-Usage::
-
- ceph osd pool set <poolname> size|min_size|crash_replay_interval|pg_num|
- pgp_num|crush_ruleset|hashpspool|nodelete|nopgchange|nosizechange|
- hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|debug_fake_ec_pool|
- target_max_bytes|target_max_objects|cache_target_dirty_ratio|
- cache_target_dirty_high_ratio|
- cache_target_full_ratio|cache_min_flush_age|cache_min_evict_age|auid|
- min_read_recency_for_promote|write_fadvise_dontneed|hit_set_grade_decay_rate|
- hit_set_search_last_n
- <val> {--yes-i-really-mean-it}
-
-Subcommand ``set-quota`` sets object or byte limit on pool.
-
-Usage::
-
- ceph osd pool set-quota <poolname> max_objects|max_bytes <val>
-
-Subcommand ``stats`` obtain stats from all pools, or from specified pool.
-
-Usage::
-
- ceph osd pool stats {<name>}
-
-Subcommand ``primary-affinity`` adjust osd primary-affinity from 0.0 <=<weight>
-<= 1.0
-
-Usage::
-
- ceph osd primary-affinity <osdname (id|osd.id)> <float[0.0-1.0]>
-
-Subcommand ``primary-temp`` sets primary_temp mapping pgid:<id>|-1 (developers
-only).
-
-Usage::
-
- ceph osd primary-temp <pgid> <id>
-
-Subcommand ``repair`` initiates repair on a specified osd.
-
-Usage::
-
- ceph osd repair <who>
-
-Subcommand ``reweight`` reweights osd to 0.0 < <weight> < 1.0.
-
-Usage::
-
- osd reweight <int[0-]> <float[0.0-1.0]>
-
-Subcommand ``reweight-by-pg`` reweight OSDs by PG distribution
-[overload-percentage-for-consideration, default 120].
-
-Usage::
-
- ceph osd reweight-by-pg {<int[100-]>} {<poolname> [<poolname...]}
- {--no-increasing}
-
-Subcommand ``reweight-by-utilization`` reweight OSDs by utilization
-[overload-percentage-for-consideration, default 120].
-
-Usage::
-
- ceph osd reweight-by-utilization {<int[100-]>}
- {--no-increasing}
-
-Subcommand ``rm`` removes osd(s) <id> [<id>...] from the OSD map.
-
-
-Usage::
-
- ceph osd rm <ids> [<ids>...]
-
-Subcommand ``destroy`` marks OSD *id* as *destroyed*, removing its cephx
-entity's keys and all of its dm-crypt and daemon-private config key
-entries.
-
-This command will not remove the OSD from crush, nor will it remove the
-OSD from the OSD map. Instead, once the command successfully completes,
-the OSD will show marked as *destroyed*.
-
-In order to mark an OSD as destroyed, the OSD must first be marked as
-**lost**.
-
-Usage::
-
- ceph osd destroy <id> {--yes-i-really-mean-it}
-
-
-Subcommand ``purge`` performs a combination of ``osd destroy``,
-``osd rm`` and ``osd crush remove``.
-
-Usage::
-
- ceph osd purge <id> {--yes-i-really-mean-it}
-
-Subcommand ``safe-to-destroy`` checks whether it is safe to remove or
-destroy an OSD without reducing overall data redundancy or durability.
-It will return a success code if it is definitely safe, or an error
-code and informative message if it is not or if no conclusion can be
-drawn at the current time.
-
-Usage::
-
- ceph osd safe-to-destroy <id> [<ids>...]
-
-Subcommand ``scrub`` initiates scrub on specified osd.
-
-Usage::
-
- ceph osd scrub <who>
-
-Subcommand ``set`` sets <key>.
-
-Usage::
-
- ceph osd set full|pause|noup|nodown|noout|noin|nobackfill|
- norebalance|norecover|noscrub|nodeep-scrub|notieragent
-
-Subcommand ``setcrushmap`` sets crush map from input file.
-
-Usage::
-
- ceph osd setcrushmap
-
-Subcommand ``setmaxosd`` sets new maximum osd value.
-
-Usage::
-
- ceph osd setmaxosd <int[0-]>
-
-Subcommand ``set-require-min-compat-client`` enforces the cluster to be backward
-compatible with the specified client version. This subcommand prevents you from
-making any changes (e.g., crush tunables, or using new features) that
-would violate the current setting. Please note, This subcommand will fail if
-any connected daemon or client is not compatible with the features offered by
-the given <version>. To see the features and releases of all clients connected
-to cluster, please see `ceph features`_.
-
-Usage::
-
- ceph osd set-require-min-compat-client <version>
-
-Subcommand ``stat`` prints summary of OSD map.
-
-Usage::
-
- ceph osd stat
-
-Subcommand ``tier`` is used for managing tiers. It uses some additional
-subcommands.
-
-Subcommand ``add`` adds the tier <tierpool> (the second one) to base pool <pool>
-(the first one).
-
-Usage::
-
- ceph osd tier add <poolname> <poolname> {--force-nonempty}
-
-Subcommand ``add-cache`` adds a cache <tierpool> (the second one) of size <size>
-to existing pool <pool> (the first one).
-
-Usage::
-
- ceph osd tier add-cache <poolname> <poolname> <int[0-]>
-
-Subcommand ``cache-mode`` specifies the caching mode for cache tier <pool>.
-
-Usage::
-
- ceph osd tier cache-mode <poolname> none|writeback|forward|readonly|
- readforward|readproxy
-
-Subcommand ``remove`` removes the tier <tierpool> (the second one) from base pool
-<pool> (the first one).
-
-Usage::
-
- ceph osd tier remove <poolname> <poolname>
-
-Subcommand ``remove-overlay`` removes the overlay pool for base pool <pool>.
-
-Usage::
-
- ceph osd tier remove-overlay <poolname>
-
-Subcommand ``set-overlay`` set the overlay pool for base pool <pool> to be
-<overlaypool>.
-
-Usage::
-
- ceph osd tier set-overlay <poolname> <poolname>
-
-Subcommand ``tree`` prints OSD tree.
-
-Usage::
-
- ceph osd tree {<int[0-]>}
-
-Subcommand ``unpause`` unpauses osd.
-
-Usage::
-
- ceph osd unpause
-
-Subcommand ``unset`` unsets <key>.
-
-Usage::
-
- ceph osd unset full|pause|noup|nodown|noout|noin|nobackfill|
- norebalance|norecover|noscrub|nodeep-scrub|notieragent
-
-
-pg
---
-
-It is used for managing the placement groups in OSDs. It uses some
-additional subcommands.
-
-Subcommand ``debug`` shows debug info about pgs.
-
-Usage::
-
- ceph pg debug unfound_objects_exist|degraded_pgs_exist
-
-Subcommand ``deep-scrub`` starts deep-scrub on <pgid>.
-
-Usage::
-
- ceph pg deep-scrub <pgid>
-
-Subcommand ``dump`` shows human-readable versions of pg map (only 'all' valid
-with plain).
-
-Usage::
-
- ceph pg dump {all|summary|sum|delta|pools|osds|pgs|pgs_brief} [{all|summary|sum|delta|pools|osds|pgs|pgs_brief...]}
-
-Subcommand ``dump_json`` shows human-readable version of pg map in json only.
-
-Usage::
-
- ceph pg dump_json {all|summary|sum|delta|pools|osds|pgs|pgs_brief} [{all|summary|sum|delta|pools|osds|pgs|pgs_brief...]}
-
-Subcommand ``dump_pools_json`` shows pg pools info in json only.
-
-Usage::
-
- ceph pg dump_pools_json
-
-Subcommand ``dump_stuck`` shows information about stuck pgs.
-
-Usage::
-
- ceph pg dump_stuck {inactive|unclean|stale|undersized|degraded [inactive|unclean|stale|undersized|degraded...]}
- {<int>}
-
-Subcommand ``getmap`` gets binary pg map to -o/stdout.
-
-Usage::
-
- ceph pg getmap
-
-Subcommand ``ls`` lists pg with specific pool, osd, state
-
-Usage::
-
- ceph pg ls {<int>} {active|clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale| remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized [active|clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale|remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized...]}
-
-Subcommand ``ls-by-osd`` lists pg on osd [osd]
-
-Usage::
-
- ceph pg ls-by-osd <osdname (id|osd.id)> {<int>}
- {active|clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale| remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized [active|clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale|remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized...]}
-
-Subcommand ``ls-by-pool`` lists pg with pool = [poolname]
-
-Usage::
-
- ceph pg ls-by-pool <poolstr> {<int>} {active|
- clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale| remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized [active|clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale|remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized...]}
-
-Subcommand ``ls-by-primary`` lists pg with primary = [osd]
-
-Usage::
-
- ceph pg ls-by-primary <osdname (id|osd.id)> {<int>}
- {active|clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale| remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized [active|clean|down|replay|splitting|
- scrubbing|scrubq|degraded|inconsistent|peering|repair|
- recovery|backfill_wait|incomplete|stale|remapped|
- deep_scrub|backfill|backfill_toofull|recovery_wait|
- undersized...]}
-
-Subcommand ``map`` shows mapping of pg to osds.
-
-Usage::
-
- ceph pg map <pgid>
-
-Subcommand ``repair`` starts repair on <pgid>.
-
-Usage::
-
- ceph pg repair <pgid>
-
-Subcommand ``scrub`` starts scrub on <pgid>.
-
-Usage::
-
- ceph pg scrub <pgid>
-
-Subcommand ``set_full_ratio`` sets ratio at which pgs are considered full.
-
-Usage::
-
- ceph pg set_full_ratio <float[0.0-1.0]>
-
-Subcommand ``set_backfillfull_ratio`` sets ratio at which pgs are considered too full to backfill.
-
-Usage::
-
- ceph pg set_backfillfull_ratio <float[0.0-1.0]>
-
-Subcommand ``set_nearfull_ratio`` sets ratio at which pgs are considered nearly
-full.
-
-Usage::
-
- ceph pg set_nearfull_ratio <float[0.0-1.0]>
-
-Subcommand ``stat`` shows placement group status.
-
-Usage::
-
- ceph pg stat
-
-
-quorum
-------
-
-Cause MON to enter or exit quorum.
-
-Usage::
-
- ceph quorum enter|exit
-
-Note: this only works on the MON to which the ``ceph`` command is connected.
-If you want a specific MON to enter or exit quorum, use this syntax::
-
- ceph tell mon.<id> quorum enter|exit
-
-quorum_status
--------------
-
-Reports status of monitor quorum.
-
-Usage::
-
- ceph quorum_status
-
-
-report
-------
-
-Reports full status of cluster, optional title tag strings.
-
-Usage::
-
- ceph report {<tags> [<tags>...]}
-
-
-scrub
------
-
-Scrubs the monitor stores.
-
-Usage::
-
- ceph scrub
-
-
-status
-------
-
-Shows cluster status.
-
-Usage::
-
- ceph status
-
-
-sync force
-----------
-
-Forces sync of and clear monitor store.
-
-Usage::
-
- ceph sync force {--yes-i-really-mean-it} {--i-know-what-i-am-doing}
-
-
-tell
-----
-
-Sends a command to a specific daemon.
-
-Usage::
-
- ceph tell <name (type.id)> <args> [<args>...]
-
-
-List all available commands.
-
-Usage::
-
- ceph tell <name (type.id)> help
-
-version
--------
-
-Show mon daemon version
-
-Usage::
-
- ceph version
-
-Options
-=======
-
-.. option:: -i infile
-
- will specify an input file to be passed along as a payload with the
- command to the monitor cluster. This is only used for specific
- monitor commands.
-
-.. option:: -o outfile
-
- will write any payload returned by the monitor cluster with its
- reply to outfile. Only specific monitor commands (e.g. osd getmap)
- return a payload.
-
-.. 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:: --id CLIENT_ID, --user CLIENT_ID
-
- Client id for authentication.
-
-.. option:: --name CLIENT_NAME, -n CLIENT_NAME
-
- Client name for authentication.
-
-.. option:: --cluster CLUSTER
-
- Name of the Ceph cluster.
-
-.. option:: --admin-daemon ADMIN_SOCKET, daemon DAEMON_NAME
-
- Submit admin-socket commands via admin sockets in /var/run/ceph.
-
-.. option:: --admin-socket ADMIN_SOCKET_NOPE
-
- You probably mean --admin-daemon
-
-.. option:: -s, --status
-
- Show cluster status.
-
-.. option:: -w, --watch
-
- Watch live cluster changes.
-
-.. option:: --watch-debug
-
- Watch debug events.
-
-.. option:: --watch-info
-
- Watch info events.
-
-.. option:: --watch-sec
-
- Watch security events.
-
-.. option:: --watch-warn
-
- Watch warning events.
-
-.. option:: --watch-error
-
- Watch error events.
-
-.. option:: --version, -v
-
- Display version.
-
-.. option:: --verbose
-
- Make verbose.
-
-.. option:: --concise
-
- Make less verbose.
-
-.. option:: -f {json,json-pretty,xml,xml-pretty,plain}, --format
-
- Format of output.
-
-.. option:: --connect-timeout CLUSTER_TIMEOUT
-
- Set a timeout for connecting to the cluster.
-
-.. option:: --no-increasing
-
- ``--no-increasing`` is off by default. So increasing the osd weight is allowed
- using the ``reweight-by-utilization`` or ``test-reweight-by-utilization`` commands.
- If this option is used with these commands, it will help not to increase osd weight
- even the osd is under utilized.
-
-
-Availability
-============
-
-:program:`ceph` 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-mon <ceph-mon>`\(8),
-:doc:`ceph-osd <ceph-osd>`\(8),
-:doc:`ceph-mds <ceph-mds>`\(8)