mirror of
https://github.com/ceph/ceph
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1431 lines
28 KiB
ReStructuredText
1431 lines
28 KiB
ReStructuredText
:orphan:
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==================================
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ceph -- ceph administration tool
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==================================
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.. program:: ceph
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Synopsis
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========
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| **ceph** **auth** [ *add* \| *caps* \| *del* \| *export* \| *get* \| *get-key* \| *get-or-create* \| *get-or-create-key* \| *import* \| *list* \| *print-key* \| *print_key* ] ...
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| **ceph** **compact**
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| **ceph** **config-key** [ *del* | *exists* | *get* | *list* | *put* ] ...
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| **ceph** **daemon** *<name>* \| *<path>* *<command>* ...
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| **ceph** **daemonperf** *<name>* \| *<path>* [ *interval* [ *count* ] ]
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| **ceph** **df** *{detail}*
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| **ceph** **fs** [ *ls* \| *new* \| *reset* \| *rm* ] ...
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| **ceph** **fsid**
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| **ceph** **health** *{detail}*
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| **ceph** **heap** [ *dump* \| *start_profiler* \| *stop_profiler* \| *release* \| *stats* ] ...
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| **ceph** **injectargs** *<injectedargs>* [ *<injectedargs>*... ]
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| **ceph** **log** *<logtext>* [ *<logtext>*... ]
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| **ceph** **mds** [ *add_data_pool* \| *cluster_down* \| *cluster_up* \| *compat* \| *deactivate* \| *dump* \| *fail* \| *getmap* \| *newfs* \| *remove_data_pool* \| *rm* \| *rmfailed* \| *set* \| *set_max_mds* \| *set_state* \| *setmap* \| *stat* \| *stop* \| *tell* ] ...
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| **ceph** **mon** [ *add* \| *dump* \| *getmap* \| *remove* \| *stat* ] ...
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| **ceph** **mon_status**
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| **ceph** **osd** [ *blacklist* \| *blocked-by* \| *create* \| *deep-scrub* \| *df* \| *down* \| *dump* \| *erasure-code-profile* \| *find* \| *getcrushmap* \| *getmap* \| *getmaxosd* \| *in* \| *lspools* \| *map* \| *metadata* \| *out* \| *pause* \| *perf* \| *pg-temp* \| *primary-affinity* \| *primary-temp* \| *repair* \| *reweight* \| *reweight-by-pg* \| *rm* \| *scrub* \| *set* \| *setcrushmap* \| *setmaxosd* \| *stat* \| *thrash* \| *tree* \| *unpause* \| *unset* ] ...
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| **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* ] ...
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| **ceph** **osd** **pool** [ *create* \| *delete* \| *get* \| *get-quota* \| *ls* \| *mksnap* \| *rename* \| *rmsnap* \| *set* \| *set-quota* \| *stats* ] ...
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| **ceph** **osd** **tier** [ *add* \| *add-cache* \| *cache-mode* \| *remove* \| *remove-overlay* \| *set-overlay* ] ...
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| **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* \| *send_pg_creates* \| *set_full_ratio* \| *set_nearfull_ratio* \| *stat* ] ...
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| **ceph** **quorum** [ *enter* \| *exit* ]
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| **ceph** **quorum_status**
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| **ceph** **report** { *<tags>* [ *<tags>...* ] }
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| **ceph** **scrub**
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| **ceph** **status**
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| **ceph** **sync** **force** {--yes-i-really-mean-it} {--i-know-what-i-am-doing}
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| **ceph** **tell** *<name (type.id)> <args> [<args>...]*
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| **ceph** **version**
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Description
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===========
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:program:`ceph` is a control utility which is used for manual deployment and maintenance
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of a Ceph cluster. It provides a diverse set of commands that allows deployment of
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monitors, OSDs, placement groups, MDS and overall maintenance, administration
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of the cluster.
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Commands
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========
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auth
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----
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Manage authentication keys. It is used for adding, removing, exporting
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or updating of authentication keys for a particular entity such as a monitor or
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OSD. It uses some additional subcommands.
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Subcommand ``add`` adds authentication info for a particular entity from input
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file, or random key if no input is given and/or any caps specified in the command.
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Usage::
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ceph auth add <entity> {<caps> [<caps>...]}
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Subcommand ``caps`` updates caps for **name** from caps specified in the command.
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Usage::
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ceph auth caps <entity> <caps> [<caps>...]
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Subcommand ``del`` deletes all caps for ``name``.
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Usage::
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ceph auth del <entity>
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Subcommand ``export`` writes keyring for requested entity, or master keyring if
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none given.
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Usage::
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ceph auth export {<entity>}
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Subcommand ``get`` writes keyring file with requested key.
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Usage::
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ceph auth get <entity>
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Subcommand ``get-key`` displays requested key.
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Usage::
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ceph auth get-key <entity>
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Subcommand ``get-or-create`` adds authentication info for a particular entity
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from input file, or random key if no input given and/or any caps specified in the
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command.
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Usage::
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ceph auth get-or-create <entity> {<caps> [<caps>...]}
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Subcommand ``get-or-create-key`` gets or adds key for ``name`` from system/caps
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pairs specified in the command. If key already exists, any given caps must match
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the existing caps for that key.
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Usage::
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ceph auth get-or-create-key <entity> {<caps> [<caps>...]}
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Subcommand ``import`` reads keyring from input file.
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Usage::
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ceph auth import
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Subcommand ``list`` lists authentication state.
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Usage::
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ceph auth list
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Subcommand ``print-key`` displays requested key.
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Usage::
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ceph auth print-key <entity>
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Subcommand ``print_key`` displays requested key.
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Usage::
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ceph auth print_key <entity>
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compact
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-------
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Causes compaction of monitor's leveldb storage.
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Usage::
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ceph compact
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config-key
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----------
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Manage configuration key. It uses some additional subcommands.
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Subcommand ``del`` deletes configuration key.
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Usage::
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ceph config-key del <key>
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Subcommand ``exists`` checks for configuration keys existence.
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Usage::
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ceph config-key exists <key>
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Subcommand ``get`` gets the configuration key.
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Usage::
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ceph config-key get <key>
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Subcommand ``list`` lists configuration keys.
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Usage::
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ceph config-key list
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Subcommand ``put`` puts configuration key and values.
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Usage::
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ceph config-key put <key> {<val>}
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daemon
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------
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Submit admin-socket commands.
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Usage::
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ceph daemon {daemon_name|socket_path} {command} ...
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Example::
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ceph daemon osd.0 help
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daemonperf
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----------
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Watch performance counters from a Ceph daemon.
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Usage::
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ceph daemonperf {daemon_name|socket_path} [{interval} [{count}]]
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df
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--
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Show cluster's free space status.
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Usage::
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ceph df {detail}
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fs
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--
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Manage cephfs filesystems. It uses some additional subcommands.
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Subcommand ``ls`` to list filesystems
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Usage::
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ceph fs ls
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Subcommand ``new`` to make a new filesystem using named pools <metadata> and <data>
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Usage::
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ceph fs new <fs_name> <metadata> <data>
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Subcommand ``reset`` is used for disaster recovery only: reset to a single-MDS map
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Usage::
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ceph fs reset <fs_name> {--yes-i-really-mean-it}
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Subcommand ``rm`` to disable the named filesystem
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Usage::
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ceph fs rm <fs_name> {--yes-i-really-mean-it}
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fsid
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----
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Show cluster's FSID/UUID.
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Usage::
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ceph fsid
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health
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------
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Show cluster's health.
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Usage::
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ceph health {detail}
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heap
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----
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Show heap usage info (available only if compiled with tcmalloc)
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Usage::
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ceph heap dump|start_profiler|stop_profiler|release|stats
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injectargs
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----------
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Inject configuration arguments into monitor.
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Usage::
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ceph injectargs <injected_args> [<injected_args>...]
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log
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---
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Log supplied text to the monitor log.
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Usage::
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ceph log <logtext> [<logtext>...]
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mds
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---
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Manage metadata server configuration and administration. It uses some
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additional subcommands.
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Subcommand ``add_data_pool`` adds data pool.
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Usage::
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ceph mds add_data_pool <pool>
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Subcommand ``cluster_down`` takes mds cluster down.
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Usage::
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ceph mds cluster_down
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Subcommand ``cluster_up`` brings mds cluster up.
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Usage::
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ceph mds cluster_up
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Subcommand ``compat`` manages compatible features. It uses some additional
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subcommands.
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Subcommand ``rm_compat`` removes compatible feature.
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Usage::
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ceph mds compat rm_compat <int[0-]>
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Subcommand ``rm_incompat`` removes incompatible feature.
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Usage::
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ceph mds compat rm_incompat <int[0-]>
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Subcommand ``show`` shows mds compatibility settings.
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Usage::
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ceph mds compat show
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Subcommand ``deactivate`` stops mds.
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Usage::
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ceph mds deactivate <who>
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Subcommand ``dump`` dumps information, optionally from epoch.
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Usage::
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ceph mds dump {<int[0-]>}
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Subcommand ``fail`` forces mds to status fail.
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Usage::
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ceph mds fail <who>
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Subcommand ``getmap`` gets MDS map, optionally from epoch.
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Usage::
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ceph mds getmap {<int[0-]>}
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Subcommand ``newfs`` makes new filesystem using pools <metadata> and <data>.
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Usage::
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ceph mds newfs <int[0-]> <int[0-]> {--yes-i-really-mean-it}
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Subcommand ``remove_data_pool`` removes data pool.
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Usage::
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ceph mds remove_data_pool <pool>
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Subcommand ``rm`` removes inactive mds.
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Usage::
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ceph mds rm <int[0-]> <name> (type.id)>
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Subcommand ``rmfailed`` removes failed mds.
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Usage::
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ceph mds rmfailed <int[0-]>
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Subcommand ``set`` set mds parameter <var> to <val>
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Usage::
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ceph mds set max_mds|max_file_size|allow_new_snaps|inline_data <va> {<confirm>}
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Subcommand ``set_max_mds`` sets max MDS index.
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Usage::
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ceph mds set_max_mds <int[0-]>
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Subcommand ``set_state`` sets mds state of <gid> to <numeric-state>.
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Usage::
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ceph mds set_state <int[0-]> <int[0-20]>
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Subcommand ``setmap`` sets mds map; must supply correct epoch number.
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Usage::
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ceph mds setmap <int[0-]>
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Subcommand ``stat`` shows MDS status.
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Usage::
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ceph mds stat
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Subcommand ``stop`` stops mds.
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Usage::
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ceph mds stop <who>
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Subcommand ``tell`` sends command to particular mds.
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Usage::
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ceph mds tell <who> <args> [<args>...]
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mon
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---
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Manage monitor configuration and administration. It uses some additional
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subcommands.
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Subcommand ``add`` adds new monitor named <name> at <addr>.
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Usage::
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ceph mon add <name> <IPaddr[:port]>
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Subcommand ``dump`` dumps formatted monmap (optionally from epoch)
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Usage::
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ceph mon dump {<int[0-]>}
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Subcommand ``getmap`` gets monmap.
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Usage::
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ceph mon getmap {<int[0-]>}
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Subcommand ``remove`` removes monitor named <name>.
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Usage::
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ceph mon remove <name>
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Subcommand ``stat`` summarizes monitor status.
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Usage::
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ceph mon stat
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mon_status
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----------
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Reports status of monitors.
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Usage::
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ceph mon_status
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osd
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---
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Manage OSD configuration and administration. It uses some additional
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subcommands.
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Subcommand ``blacklist`` manage blacklisted clients. It uses some additional
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subcommands.
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Subcommand ``add`` add <addr> to blacklist (optionally until <expire> seconds
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from now)
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Usage::
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ceph osd blacklist add <EntityAddr> {<float[0.0-]>}
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Subcommand ``ls`` show blacklisted clients
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Usage::
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ceph osd blacklist ls
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Subcommand ``rm`` remove <addr> from blacklist
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Usage::
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ceph osd blacklist rm <EntityAddr>
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Subcommand ``blocked-by`` prints a histogram of which OSDs are blocking their peers
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Usage::
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ceph osd blocked-by
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Subcommand ``create`` creates new osd (with optional UUID and ID).
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Usage::
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ceph osd create {<uuid>} {<id>}
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Subcommand ``crush`` is used for CRUSH management. It uses some additional
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subcommands.
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Subcommand ``add`` adds or updates crushmap position and weight for <name> with
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<weight> and location <args>.
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Usage::
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ceph osd crush add <osdname (id|osd.id)> <float[0.0-]> <args> [<args>...]
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Subcommand ``add-bucket`` adds no-parent (probably root) crush bucket <name> of
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type <type>.
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Usage::
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ceph osd crush add-bucket <name> <type>
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Subcommand ``create-or-move`` creates entry or moves existing entry for <name>
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<weight> at/to location <args>.
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Usage::
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ceph osd crush create-or-move <osdname (id|osd.id)> <float[0.0-]> <args>
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[<args>...]
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Subcommand ``dump`` dumps crush map.
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Usage::
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ceph osd crush dump
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Subcommand ``get-tunable`` get crush tunable straw_calc_version
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Usage::
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ceph osd crush get-tunable straw_calc_version
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Subcommand ``link`` links existing entry for <name> under location <args>.
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Usage::
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ceph osd crush link <name> <args> [<args>...]
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Subcommand ``move`` moves existing entry for <name> to location <args>.
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Usage::
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ceph osd crush move <name> <args> [<args>...]
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Subcommand ``remove`` removes <name> from crush map (everywhere, or just at
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<ancestor>).
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Usage::
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ceph osd crush remove <name> {<ancestor>}
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Subcommand ``rename-bucket`` renames buchket <srcname> to <stname>
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Usage::
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ceph osd crush rename-bucket <srcname> <dstname>
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Subcommand ``reweight`` change <name>'s weight to <weight> in crush map.
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Usage::
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ceph osd crush reweight <name> <float[0.0-]>
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Subcommand ``reweight-all`` recalculate the weights for the tree to
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ensure they sum correctly
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Usage::
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ceph osd crush reweight-all
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Subcommand ``reweight-subtree`` changes all leaf items beneath <name>
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to <weight> in crush map
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Usage::
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ceph osd crush reweight-subtree <name> <weight>
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|
|
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 ``list`` lists crush rules.
|
|
|
|
Usage::
|
|
|
|
ceph osd crush rule list
|
|
|
|
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 ``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-]>
|
|
|
|
Subcommand ``out`` sets osd(s) <id> [<id>...] out.
|
|
|
|
Usage::
|
|
|
|
ceph osd out <ids> [<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 ``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_full_ratio|cache_min_flush_age|cache_min_evict_age|
|
|
min_read_recency_for_promote
|
|
|
|
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_full_ratio|cache_min_flush_age|cache_min_evict_age|auid|
|
|
min_read_recency_for_promote|write_fadvise_dontneed
|
|
<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...]}
|
|
|
|
Subcommand ``reweight-by-utilization`` reweight OSDs by utilization
|
|
[overload-percentage-for-consideration, default 120].
|
|
|
|
Usage::
|
|
|
|
ceph osd reweight-by-utilization {<int[100-]>}
|
|
|
|
Subcommand ``rm`` removes osd(s) <id> [<id>...] in the cluster.
|
|
|
|
Usage::
|
|
|
|
ceph osd rm <ids> [<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 ``stat`` prints summary of OSD map.
|
|
|
|
Usage::
|
|
|
|
ceph osd stat
|
|
|
|
Subcommand ``thrash`` thrashes OSDs for <num_epochs>.
|
|
|
|
Usage::
|
|
|
|
ceph osd thrash <int[0-]>
|
|
|
|
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 ``force_create_pg`` forces creation of pg <pgid>.
|
|
|
|
Usage::
|
|
|
|
ceph pg force_create_pg <pgid>
|
|
|
|
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 | poolid]
|
|
|
|
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.
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Usage::
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|
ceph pg map <pgid>
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Subcommand ``repair`` starts repair on <pgid>.
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|
Usage::
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|
ceph pg repair <pgid>
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|
Subcommand ``scrub`` starts scrub on <pgid>.
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|
|
|
Usage::
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|
|
|
ceph pg scrub <pgid>
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|
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|
Subcommand ``send_pg_creates`` triggers pg creates to be issued.
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|
|
|
Usage::
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|
|
|
ceph pg send_pg_creates
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|
Subcommand ``set_full_ratio`` sets ratio at which pgs are considered full.
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|
|
|
Usage::
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|
|
|
ceph pg set_full_ratio <float[0.0-1.0]>
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|
|
Subcommand ``set_nearfull_ratio`` sets ratio at which pgs are considered nearly
|
|
full.
|
|
|
|
Usage::
|
|
|
|
ceph pg set_nearfull_ratio <float[0.0-1.0]>
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|
|
|
Subcommand ``stat`` shows placement group status.
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|
|
|
Usage::
|
|
|
|
ceph pg stat
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|
|
|
|
|
quorum
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|
------
|
|
|
|
Enter or exit quorum.
|
|
|
|
Usage::
|
|
|
|
ceph quorum enter|exit
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|
|
|
|
|
quorum_status
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|
-------------
|
|
|
|
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>...]
|
|
|
|
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
|
|
|
|
Submit admin-socket commands.
|
|
|
|
.. 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.
|
|
|
|
|
|
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)
|