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· 2 min read
Joachim Kraftmayer

find user in user list​

root@master.qa.cloud.clyso.com:~ # radosgw-admin user list
[
...
"57574cda626b45fba1cd96e68a57ced2",
...
"admin",
...
]

get infos for a specific user​

radosgw-admin user info --uid=57574cda626b45fba1cd96e68a57ced2
{
"user_id": "57574cda626b45fba1cd96e68a57ced2",
"display_name": "qa-clyso-backup",
"email": "",
"suspended": 0,
"max_buckets": 1000,
"auid": 0,
"subusers": [],
"keys": [],
"swift_keys": [],
"caps": [],
"op_mask": "read, write, delete",
"default_placement": "",
"placement_tags": [],
"bucket_quota": {
"enabled": false,
"check_on_raw": false,
"max_size": -1,
"max_size_kb": 0,
"max_objects": -1
},
"user_quota": {
"enabled": false,
"check_on_raw": false,
"max_size": -1,
"max_size_kb": 0,
"max_objects": -1
},
"temp_url_keys": [],
"type": "keystone"
}

set the quota for one specific user​

root@master.qa.cloud.clyso.com:~ # radosgw-admin quota set --quota-scope=user --uid=57574cda626b45fba1cd96e68a57ced2 --max-size=32985348833280```

## verify the set quota max_size and max_size_kb

```bash
root@master.qa.cloud.clyso.com:~ # radosgw-admin user info --uid=57574cda626b45fba1cd96e68a57ced2
{
"user_id": "57574cda626b45fba1cd96e68a57ced2",
"display_name": "qa-clyso-backup",
"email": "",
"suspended": 0,
"max_buckets": 1000,
"auid": 0,
"subusers": [],
"keys": [],
"swift_keys": [],
"caps": [],
"op_mask": "read, write, delete",
"default_placement": "",
"placement_tags": [],
"bucket_quota": {
"enabled": false,
"check_on_raw": false,
"max_size": -1,
"max_size_kb": 0,
"max_objects": -1
},
"user_quota": {
"enabled": false,
"check_on_raw": false,
"max_size": 32985348833280,
"max_size_kb": 32212254720,
"max_objects": -1
},
"temp_url_keys": [],
"type": "keystone"
}

enable quota for one specific user​

root@master.qa.cloud.clyso.com:~ # radosgw-admin quota enable --quota-scope=user --uid=57574cda626b45fba1cd96e68a57ced2
root@master.qa.cloud.clyso.com:~ # radosgw-admin user info --uid=57574cda626b45fba1cd96e68a57ced2
{
"user_id": "57574cda626b45fba1cd96e68a57ced2",
"display_name": "qa-clyso-backup",
"email": "",
"suspended": 0,
"max_buckets": 1000,
"auid": 0,
"subusers": [],
"keys": [],
"swift_keys": [],
"caps": [],
"op_mask": "read, write, delete",
"default_placement": "",
"placement_tags": [],
"bucket_quota": {
"enabled": false,
"check_on_raw": false,
"max_size": -1,
"max_size_kb": 0,
"max_objects": -1
},
"user_quota": {
"enabled": true,
"check_on_raw": false,
"max_size": 32985348833280,
"max_size_kb": 32212254720,
"max_objects": -1
},
"temp_url_keys": [],
"type": "keystone"
}

synchronize stats for one specific user​

root@master.qa.cloud.clyso.com:~ # radosgw-admin user stats --uid=57574cda626b45fba1cd96e68a57ced2 --sync-stats
{
"stats": {
"total_entries": 10404,
"total_bytes": 54915680,
"total_bytes_rounded": 94674944
},
"last_stats_sync": "2017-08-21 07:09:58.909073Z",
"last_stats_update": "2017-08-21 07:09:58.906372Z"
}

Sources​

https://docs.ceph.com/en/latest/radosgw/admin/)

· One min read
Joachim Kraftmayer

You can delete buckets and their contents with S3 Tools and Ceph's own board tools.

via S3 API​

With the popular command line tool s3cmd, you can delete buckets with content via S3 API call as follows:

s3cmd rb --rekursives s3: // clyso_bucket

via radosgw-admin command​

Radosgw-admin talks directly to the Ceph cluster and does not require a running radosgw process and is also the faster way to delete buckets with content from the Ceph cluster.

radosgw-admin bucket rm --bucket=clyso_bucket --purge-objects

If you want to delete an entire user and his or her data from the system, you can do so with the following command:

radosgw-admin user rm --uid=<username> --purge-data

Use this command wisely!