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radosgw-admin - rados REST gateway user administration utility


radosgw-admin command [ options ... ]


radosgw-admin is a RADOS gateway user administration utility. It allows creating and modifying users.


radosgw-admin utility uses many commands for administration purpose which are as follows:
user create
Create a new user.
user modify
Modify a user.
user info
Display information of a user, and any potentially available subusers and keys.
user rm
Remove a user.
user suspend
Suspend a user.
user enable
Re-enable user after suspension.
user check
Check user info.
user stats
Show user stats as accounted by quota subsystem.
user list
List all users.
caps add
Add user capabilities.
caps rm
Remove user capabilities.
subuser create
Create a new subuser (primarily useful for clients using the Swift API).
subuser modify
Modify a subuser.
subuser rm
Remove a subuser.
key create
Create access key.
key rm
Remove access key.
bucket list
List buckets, or, if bucket specified with --bucket=<bucket>, list its objects. If bucket specified adding --allow-unordered removes ordering requirement, possibly generating results more quickly in buckets with large number of objects.
bucket limit check
Show bucket sharding stats.
bucket link
Link bucket to specified user.
bucket unlink
Unlink bucket from specified user.
bucket stats
Returns bucket statistics.
bucket rm
Remove a bucket.
bucket check
Check bucket index.
bucket rewrite
Rewrite all objects in the specified bucket.
bucket reshard
Reshard a bucket.
bucket sync disable
Disable bucket sync.
bucket sync enable
Enable bucket sync.
bi get
Retrieve bucket index object entries.
bi put
Store bucket index object entries.
bi list
List raw bucket index entries.
bi purge
Purge bucket index entries.
object rm
Remove an object.
object stat
Stat an object for its metadata.
object unlink
Unlink object from bucket index.
object rewrite
Rewrite the specified object.
objects expire
Run expired objects cleanup.
period rm
Remove a period.
period get
Get the period info.
period get-current
Get the current period info.
period pull
Pull a period.
period push
Push a period.
period list
List all periods.
period update
Update the staging period.
period commit
Commit the staging period.
quota set
Set quota params.
quota enable
Enable quota.
quota disable
Disable quota.
global quota get
View global quota parameters.
global quota set
Set global quota parameters.
global quota enable
Enable a global quota.
global quota disable
Disable a global quota.
realm create
Create a new realm.
realm rm
Remove a realm.
realm get
Show the realm info.
realm get-default
Get the default realm name.
realm list
List all realms.
realm list-periods
List all realm periods.
realm rename
Rename a realm.
realm set
Set the realm info (requires infile).
realm default
Set the realm as default.
realm pull
Pull a realm and its current period.
zonegroup add
Add a zone to a zonegroup.
zonegroup create
Create a new zone group info.
zonegroup default
Set the default zone group.
zonegroup rm
Remove a zone group info.
zonegroup get
Show the zone group info.
zonegroup modify
Modify an existing zonegroup.
zonegroup set
Set the zone group info (requires infile).
zonegroup remove
Remove a zone from a zonegroup.
zonegroup rename
Rename a zone group.
zonegroup list
List all zone groups set on this cluster.
zonegroup placement list
List zonegroup's placement targets.
zonegroup placement add
Add a placement target id to a zonegroup.
zonegroup placement modify
Modify a placement target of a specific zonegroup.
zonegroup placement rm
Remove a placement target from a zonegroup.
zonegroup placement default
Set a zonegroup's default placement target.
zone create
Create a new zone.
zone rm
Remove a zone.
zone get
Show zone cluster params.
zone set
Set zone cluster params (requires infile).
zone modify
Modify an existing zone.
zone list
List all zones set on this cluster.
metadata sync status
Get metadata sync status.
metadata sync init
Init metadata sync.
metadata sync run
Run metadata sync.
data sync status
Get data sync status of the specified source zone.
data sync init
Init data sync for the specified source zone.
data sync run
Run data sync for the specified source zone.
sync error list
list sync error.
sync error trim
trim sync error.
zone rename
Rename a zone.
zone placement list
List zone's placement targets.
zone placement add
Add a zone placement target.
zone placement modify
Modify a zone placement target.
zone placement rm
Remove a zone placement target.
pool add
Add an existing pool for data placement.
pool rm
Remove an existing pool from data placement set.
pools list
List placement active set.
Display bucket/object policy.
log list
List log objects.
log show
Dump a log from specific object or (bucket + date + bucket-id). (NOTE: required to specify formatting of date to "YYYY-MM-DD-hh")
log rm
Remove log object.
usage show
Show the usage information (with optional user and date range).
usage trim
Trim usage information (with optional user and date range).
gc list
Dump expired garbage collection objects (specify --include-all to list all entries, including unexpired).
gc process
Manually process garbage.
lc list
List all bucket lifecycle progress.
lc process
Manually process lifecycle.
metadata get
Get metadata info.
metadata put
Put metadata info.
metadata rm
Remove metadata info.
metadata list
List metadata info.
mdlog list
List metadata log.
mdlog trim
Trim metadata log.
mdlog status
Read metadata log status.
bilog list
List bucket index log.
bilog trim
Trim bucket index log (use start-marker, end-marker).
datalog list
List data log.
datalog trim
Trim data log.
datalog status
Read data log status.
orphans find
Init and run search for leaked rados objects
orphans finish
Clean up search for leaked rados objects
orphans list-jobs
List the current job-ids for the orphans search.
role create
create a new AWS role for use with STS.
role rm
Remove a role.
role get
Get a role.
role list
List the roles with specified path prefix.
role modify
Modify the assume role policy of an existing role.
role-policy put
Add/update permission policy to role.
role-policy list
List the policies attached to a role.
role-policy get
Get the specified inline policy document embedded with the given role.
role-policy rm
Remove the policy attached to a role
reshard add
Schedule a resharding of a bucket
reshard list
List all bucket resharding or scheduled to be resharded
reshard process
Process of scheduled reshard jobs
reshard status
Resharding status of a bucket
reshard cancel
Cancel resharding a bucket


-c ceph.conf, --conf=ceph.conf
Use ceph.conf configuration file instead of the default /etc/ceph/ceph.conf to determine monitor addresses during startup.

-m monaddress[:port]
Connect to specified monitor (instead of looking through ceph.conf).

Name of the tenant.

The radosgw user ID.

Name of the subuser.

S3 access key.

The e-mail address of the user.

The secret key.

Generate random access key (for S3).

Generate random secret key.

key type, options are: swift, s3.

Temporary url key.

max number of buckets for a user (0 for no limit, negative value to disable bucket creation). Default is 1000.

Set the access permissions for the sub-user. Available access permissions are read, write, readwrite and full.

The display name of the user.

Set the admin flag on the user.

Set the system flag on the user.

Specify the bucket name.

Specify the pool name. Also used with orphans find as data pool to scan for leaked rados objects.

Specify the object name.

The date in the format yyyy-mm-dd.

The start date in the format yyyy-mm-dd.

The end date in the format yyyy-mm-dd.

Specify the bucket id.

Optional for mdlog list, data sync status. Required for mdlog trim.

Optional for listing operations to specify the max entires

When specified, user removal will also purge all the user data.

When specified, subuser removal will also purge all the subuser keys.

When specified, the bucket removal will also purge all objects in it.

Key to retrieve metadata from with metadata get.

Zone or zonegroup id of remote gateway.

Period id.

url for pushing/pulling period or realm.

Period epoch.

Commit the period during 'period update'.

Get the staging period info.

Set as master.

Master zone id.

The realm name.

The realm id.

New name of realm.

The zonegroup name.

The zonegroup id.

The new name of the zonegroup.

Zone in which radosgw is running.

The zone id.

The new name of the zone.

The source zone for data sync.

Set the entity (realm, zonegroup, zone) as default.

Set the zone as read-only when adding to the zonegroup.

Placement id for the zonegroup placement commands.

The list of tags for zonegroup placement add and modify commands.

The list of tags to add for zonegroup placement modify command.

The list of tags to remove for zonegroup placement modify command.

The zone endpoints.

The placement target index pool.

The placement target data pool.

The placement target data extra (non-ec) pool.

The placement target index type (normal, indexless, or #id).

The zone tier type.

Set zone tier config keys, values.

Unset zone tier config keys.

Set/reset whether zone syncs from all zonegroup peers.

Set the list of zones to sync from.

Remove the zones from list of zones to sync from.

Besides checking bucket index, will also fix it.

bucket check: Rebuilds bucket index according to actual objects state.

Specify output format for certain operations. Supported formats: xml, json.

Option for 'user stats' command. When specified, it will update user stats with the current stats reported by user's buckets indexes.

Enable/disable dump of log entries on log show.

Enable/disable dump of log summation on log show.

Log show only dumps entries that don't have zero value in one of the numeric field.

Specify a file to read in when setting data.

Comma separated list of categories, used in usage show.

List of caps (e.g., "usage=read, write; user=read".

Placement target compression algorithm (lz4|snappy|zlib|zstd)

Required for certain operations.

Specify the min object size for bucket rewrite (default 4M).

Specify the max object size for bucket rewrite (default ULLONG_MAX).

Specify the min stripe size for object rewrite (default 0). If the value is set to 0, then the specified object will always be rewritten for restriping.

When specified with bucket limit check, list only buckets nearing or over the current max objects per shard value.

When specified with bucket deletion, triggers object deletions by not involving GC.

When specified with bucket deletion and bypass-gc set to true, ignores bucket index consistency.


Specify max objects (negative value to disable).

Specify max size (in B/K/M/G/T, negative value to disable).

The scope of quota (bucket, user).


Number of shards to use for keeping the temporary scan info

Number of seconds to wait before declaring an object to be an orphan. Default is 86400 (24 hours).

Set the job id (for orphans find)

Maximum concurrent ios for orphans find. Default is 32.


Provide extra info in the job list.


The name of the role to create.

The path to the role.

The trust relationship policy document that grants an entity permission to assume the role.

The name of the policy document.

The permission policy document.

The path prefix for filtering the roles.


Generate a new user:

$ radosgw-admin user create --display-name="johnny rotten" --uid=johnny
{ "user_id": "johnny",
  "rados_uid": 0,
  "display_name": "johnny rotten",
  "email": "",
  "suspended": 0,
  "subusers": [],
  "keys": [
        { "user": "johnny",
          "access_key": "TCICW53D9BQ2VGC46I44",
          "secret_key": "tfm9aHMI8X76L3UdgE+ZQaJag1vJQmE6HDb5Lbrz"}],
  "swift_keys": []}

Remove a user:

$ radosgw-admin user rm --uid=johnny

Remove a user and all associated buckets with their contents:

$ radosgw-admin user rm --uid=johnny --purge-data

Remove a bucket:

$ radosgw-admin bucket rm --bucket=foo

Link bucket to specified user:

$ radosgw-admin bucket link --bucket=foo --bucket_id=<bucket id> --uid=johnny

Unlink bucket from specified user:

$ radosgw-admin bucket unlink --bucket=foo --uid=johnny

Show the logs of a bucket from April 1st, 2012:

$ radosgw-admin log show --bucket=foo --date=2012-04-01-01 --bucket-id=default.14193.1

Show usage information for user from March 1st to (but not including) April 1st, 2012:

$ radosgw-admin usage show --uid=johnny \
                --start-date=2012-03-01 --end-date=2012-04-01

Show only summary of usage information for all users:

$ radosgw-admin usage show --show-log-entries=false

Trim usage information for user until March 1st, 2012:

$ radosgw-admin usage trim --uid=johnny --end-date=2012-04-01


radosgw-admin is part of Ceph, a massively scalable, open-source, distributed storage system. Please refer to the Ceph documentation at for more information.


ceph(8) radosgw(8)


2010-2021, Inktank Storage, Inc. and contributors. Licensed under Creative Commons Attribution Share Alike 3.0 (CC-BY-SA-3.0)
September 17, 2021 dev