root@ceph:/etc/ceph# ceph osd --help
General usage:
==============
usage: ceph [-h] [-c CEPHCONF] [-i INPUT_FILE] [-o OUTPUT_FILE]
[--id CLIENT_ID] [--name CLIENT_NAME] [--cluster CLUSTER]
[--admin-daemon ADMIN_SOCKET] [--admin-socket ADMIN_SOCKET_NOPE]
[-s] [-w] [--watch-debug] [--watch-info] [--watch-sec]
[--watch-warn] [--watch-error] [--version] [--verbose] [--concise]
[-f {json,json-pretty,xml,xml-pretty,plain}]
[--connect-timeout CLUSTER_TIMEOUT]
Ceph administration tool
optional arguments:
-h, --help request mon help
-c CEPHCONF, --conf CEPHCONF
ceph configuration file
-i INPUT_FILE, --in-file INPUT_FILE
input file
-o OUTPUT_FILE, --out-file OUTPUT_FILE
output file
--id CLIENT_ID, --user CLIENT_ID
client id for authentication
--name CLIENT_NAME, -n CLIENT_NAME
client name for authentication
--cluster CLUSTER cluster name
--admin-daemon ADMIN_SOCKET
submit admin-socket commands ("help" for help
--admin-socket ADMIN_SOCKET_NOPE
you probably mean --admin-daemon
-s, --status show cluster status
-w, --watch watch live cluster changes
--watch-debug watch debug events
--watch-info watch info events
--watch-sec watch security events
--watch-warn watch warn events
--watch-error watch error events
--version, -v display version
--verbose make verbose
--concise make less verbose
-f {json,json-pretty,xml,xml-pretty,plain}, --format {json,json-pretty,xml,xml-pretty,plain}
--connect-timeout CLUSTER_TIMEOUT
set a timeout for connecting to the cluster
Monitor commands:
=================
[Contacting monitor, timeout after 5 seconds]
osd blacklist add|rm <EntityAddr> add (optionally until <expire> seconds
{<float[0.0-]>} from now) or remove <addr> from
blacklist
osd blacklist ls show blacklisted clients
osd create {<uuid>} create new osd (with optional UUID)
osd crush add <osdname (id|osd.id)> add or update crushmap position and
<float[0.0-]> <args> [<args>...] weight for <name> with <weight> and
location <args>
osd crush add-bucket <name> <type> add no-parent (probably root) crush
bucket <name> of type <type>
osd crush create-or-move <osdname (id| create entry or move existing entry
osd.id)> <float[0.0-]> <args> [<args>.. for <name> <weight> at/to location
.] <args>
osd crush dump dump crush map
osd crush link <name> <args> [<args>...] link existing entry for <name> under
location <args>
osd crush move <name> <args> [<args>...] move existing entry for <name> to
location <args>
osd crush remove <name> {<ancestor>} remove <name> from crush map (
everywhere, or just at <ancestor>)
osd crush reweight <name> <float[0.0-]> change <name>'s weight to <weight> in
crush map
osd crush rm <name> {<ancestor>} remove <name> from crush map (
everywhere, or just at <ancestor>)
osd crush rule create-erasure <name> create crush rule <name> for erasure
{<profile>} coded pool created with <profile> (
default default)
osd crush rule create-simple <name> create crush rule <name> to start from
<root> <type> {firstn|indep} <root>, replicate across buckets of
type <type>, using a choose mode of
<firstn|indep> (default firstn; indep
best for erasure pools)
osd crush rule dump {<name>} dump crush rule <name> (default all)
osd crush rule list list crush rules
osd crush rule ls list crush rules
osd crush rule rm <name> remove crush rule <name>
osd crush set set crush map from input file
osd crush set <osdname (id|osd.id)> update crushmap position and weight
<float[0.0-]> <args> [<args>...] for <name> to <weight> with location
<args>
osd crush show-tunables show current crush tunables
osd crush tunables legacy|argonaut| set crush tunables values to <profile>
bobtail|firefly|optimal|default
osd crush unlink <name> {<ancestor>} unlink <name> from crush map (
everywhere, or just at <ancestor>)
osd deep-scrub <who> initiate deep scrub on osd <who>
osd down <ids> [<ids>...] set osd(s) <id> [<id>...] down
osd dump {<int[0-]>} print summary of OSD map
osd erasure-code-profile get <name> get erasure code profile <name>
osd erasure-code-profile ls list all erasure code profiles
osd erasure-code-profile rm <name> remove erasure code profile <name>
osd erasure-code-profile set <name> create erasure code profile <name>
{<profile> [<profile>...]} with [<key[=value]> ...] pairs. Add a
--force at the end to override an
existing profile (VERY DANGEROUS)
osd find <int[0-]> find osd <id> in the CRUSH map and
show its location
osd getcrushmap {<int[0-]>} get CRUSH map
osd getmap {<int[0-]>} get OSD map
osd getmaxosd show largest OSD id
osd in <ids> [<ids>...] set osd(s) <id> [<id>...] in
osd lost <int[0-]> {--yes-i-really-mean- mark osd as permanently lost. THIS
it} DESTROYS DATA IF NO MORE REPLICAS
EXIST, BE CAREFUL
osd ls {<int[0-]>} show all OSD ids
osd lspools {<int>} list pools
osd map <poolname> <objectname> find pg for <object> in <pool>
osd metadata <int[0-]> fetch metadata for osd <id>
osd out <ids> [<ids>...] set osd(s) <id> [<id>...] out
osd pause pause osd
osd perf print dump of OSD perf summary stats
osd pg-temp <pgid> {<id> [<id>...]} set pg_temp mapping pgid:[<id> [<id>...
]] (developers only)
osd pool create <poolname> <int[0-]> create pool
{<int[0-]>} {replicated|erasure}
{<erasure_code_profile>} {<ruleset>}
osd pool delete <poolname> {<poolname>} delete pool
{--yes-i-really-really-mean-it}
osd pool get <poolname> size|min_size| get pool parameter <var>
crash_replay_interval|pg_num|pgp_num|
crush_ruleset|hit_set_type|hit_set_
period|hit_set_count|hit_set_fpp|auid
osd pool mksnap <poolname> <snap> make snapshot <snap> in <pool>
osd pool rename <poolname> <poolname> rename <srcpool> to <destpool>
osd pool rmsnap <poolname> <snap> remove snapshot <snap> from <pool>
osd pool set <poolname> size|min_size| set pool parameter <var> to <val>
crash_replay_interval|pg_num|pgp_num|
crush_ruleset|hashpspool|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 <val> {--yes-i-really-mean-it}
osd pool set-quota <poolname> max_ set object or byte limit on pool
objects|max_bytes <val>
osd pool stats {<name>} obtain stats from all pools, or from
specified pool
osd primary-affinity <osdname (id|osd. adjust osd primary-affinity from 0.0 <=
id)> <float[0.0-1.0]> <weight> <= 1.0
osd primary-temp <pgid> <id> set primary_temp mapping pgid:<id>|-1 (
developers only)
osd repair <who> initiate repair on osd <who>
osd reweight <int[0-]> <float[0.0-1.0]> reweight osd to 0.0 < <weight> < 1.0
osd reweight-by-utilization {<int[100- reweight OSDs by utilization [overload-
]>} percentage-for-consideration, default
120]
osd rm <ids> [<ids>...] remove osd(s) <id> [<id>...] in
osd scrub <who> initiate scrub on osd <who>
osd set pause|noup|nodown|noout|noin| set <key>
nobackfill|norecover|noscrub|nodeep-
scrub|notieragent
osd setcrushmap set crush map from input file
osd setmaxosd <int[0-]> set new maximum osd value
osd stat print summary of OSD map
osd thrash <int[0-]> thrash OSDs for <num_epochs>
osd tier add <poolname> <poolname> {-- add the tier <tierpool> (the second
force-nonempty} one) to base pool <pool> (the first
one)
osd tier add-cache <poolname> add a cache <tierpool> (the second one)
<poolname> <int[0-]> of size <size> to existing pool
<pool> (the first one)
osd tier cache-mode <poolname> none| specify the caching mode for cache
writeback|forward|readonly tier <pool>
osd tier remove <poolname> <poolname> remove the tier <tierpool> (the second
one) from base pool <pool> (the first
one)
osd tier remove-overlay <poolname> remove the overlay pool for base pool
<pool>
osd tier set-overlay <poolname> set the overlay pool for base pool
<poolname> <pool> to be <overlaypool>
osd tree {<int[0-]>} print OSD tree
osd unpause unpause osd
osd unset pause|noup|nodown|noout|noin| unset <key>
nobackfill|norecover|noscrub|nodeep-
scrub|notieragent
