Manage Block Storage service quotas

As an administrative user, you can update the OpenStack Block Storage service quotas for a project. You can also update the quota defaults for a new project.

Block Storage quotas

Property name	Defines the number of
gigabytes	Volume gigabytes allowed for each project.
snapshots	Volume snapshots allowed for each project.
volumes	Volumes allowed for each project.
backups	Volume backups allowed for each project.
backup_gigabytes	Total amount of backups allowed for each per project
groups	Volume groups allowed for each project

View Block Storage quotas

Administrative users can view Block Storage service quotas.

1. Obtain the project ID:

   $ PROJECT_ID=$(openstack project show -f value -c id PROJECT_NAME)
   

2. List the default quotas for a project:

   $ openstack quota show --default $PROJECT_ID
   +-----------------------+-------+
   | Field                 | Value |
   +-----------------------+-------+
   | backup-gigabytes      | 1000  |
   | backups               | 10    |
   | cores                 | 20    |
   | fixed-ips             | -1    |
   | floating-ips          | 50    |
   | gigabytes             | 1000  |
   | gigabytes_lvmdriver-1 | -1    |
   | health_monitors       | None  |
   | injected-file-size    | 10240 |
   | injected-files        | 5     |
   | injected-path-size    | 255   |
   | instances             | 10    |
   | key-pairs             | 100   |
   | l7_policies           | None  |
   | listeners             | None  |
   | load_balancers        | None  |
   | location              | None  |
   | name                  | None  |
   | networks              | 10    |
   | per-volume-gigabytes  | -1    |
   | pools                 | None  |
   | ports                 | 50    |
   | project               | None  |
   | project_id            | None  |
   | properties            | 128   |
   | ram                   | 51200 |
   | rbac_policies         | 10    |
   | routers               | 10    |
   | secgroup-rules        | 100   |
   | secgroups             | 10    |
   | server-group-members  | 10    |
   | server-groups         | 10    |
   | snapshots             | 10    |
   | snapshots_lvmdriver-1 | -1    |
   | subnet_pools          | -1    |
   | subnets               | 10    |
   | volumes               | 10    |
   | volumes_lvmdriver-1   | -1    |
   +-----------------------+-------+
   

Note

Listing default quotas with the OpenStack command line client will provide all quotas for storage and network services. Previously, the cinder quota-defaults command would list only storage quotas. You can use $PROJECT_ID or $PROJECT_NAME arguments to show Block Storage service quotas. If the $PROJECT_ID argument returns errors in locating resources, use $PROJECT_NAME.

1. View Block Storage service quotas for a project:

   $ openstack quota show --volume $PROJECT_ID
   +-----------------------+-------+
   | Resource              | Limit |
   +-----------------------+-------+
   | volumes               |    10 |
   | snapshots             |    10 |
   | gigabytes             |  1000 |
   | backups               |    10 |
   | volumes_lvmdriver-1   |    -1 |
   | gigabytes_lvmdriver-1 |    -1 |
   | snapshots_lvmdriver-1 |    -1 |
   | volumes___DEFAULT__   |    -1 |
   | gigabytes___DEFAULT__ |    -1 |
   | snapshots___DEFAULT__ |    -1 |
   | groups                |    10 |
   | backup-gigabytes      |  1000 |
   | per-volume-gigabytes  |    -1 |
   +-----------------------+-------+
   

2. Show the current usage of a per-project quota:

   $ openstack quota show --volume --usage $PROJECT_ID
   +-----------------------+-------+--------+----------+
   | Resource              | Limit | In Use | Reserved |
   +-----------------------+-------+--------+----------+
   | volumes               |    10 |      1 |        0 |
   | snapshots             |    10 |      0 |        0 |
   | gigabytes             |  1000 |      1 |        0 |
   | backups               |    10 |      0 |        0 |
   | volumes_lvmdriver-1   |    -1 |      1 |        0 |
   | gigabytes_lvmdriver-1 |    -1 |      1 |        0 |
   | snapshots_lvmdriver-1 |    -1 |      0 |        0 |
   | volumes___DEFAULT__   |    -1 |      0 |        0 |
   | gigabytes___DEFAULT__ |    -1 |      0 |        0 |
   | snapshots___DEFAULT__ |    -1 |      0 |        0 |
   | groups                |    10 |      0 |        0 |
   | backup-gigabytes      |  1000 |      0 |        0 |
   | per-volume-gigabytes  |    -1 |      0 |        0 |
   +-----------------------+-------+--------+----------+
   

Edit and update Block Storage service quotas

Administrative users can edit and update Block Storage service quotas.

1. To update the default quota values for the initial deployment, update the values of the quota_* config options in the /etc/cinder/cinder.conf file. For more information, see the Block Storage service configuration.

   Note

   The values of the quota_* config options are only used at the initial database sync in the initial deployment. If you want to change a default value for a new project, see the following.

   To update a default value for projects, including existing projects and a new project, set use_default_quota_class = True (which is the default setting) in the DEFAULT section of the /etc/cinder/cinder.conf file, and run the command as the following.

   Note

   Updating a default value affects to existing projects’ quota default. For example, when you update volumes to 200 to default class, volumes quota in all existing projects is updated to 200 unless the value was modified from the past default value. And a new project after the default quota update will use the new default value, volumes=200.

   $ openstack quota set --class default --QUOTA_NAME QUOTA_VALUE
   

   Replace QUOTA_NAME with the quota that is to be updated, QUOTA_VALUE with the required new value.

2. To update Block Storage service quotas to project specific values for an existing project

   $ openstack quota set --QUOTA_NAME QUOTA_VALUE PROJECT_ID
   

   Replace QUOTA_NAME with the quota that is to be updated, QUOTA_VALUE with the required new value. Use the openstack quota show command with PROJECT_ID, which is the required project ID.

   For example:

   $ openstack quota set --volumes 15 $PROJECT_ID
   $ openstack quota show $PROJECT_ID
   +-----------------------+----------------------------------+
   | Field                 | Value                            |
   +-----------------------+----------------------------------+
   | backup-gigabytes      | 1000                             |
   | backups               | 10                               |
   | cores                 | 20                               |
   | fixed-ips             | -1                               |
   | floating-ips          | 29                               |
   | gigabytes             | 1000                             |
   | gigabytes_lvmdriver-1 | -1                               |
   | health_monitors       | None                             |
   | injected-file-size    | 10240                            |
   | injected-files        | 5                                |
   | injected-path-size    | 255                              |
   | instances             | 10                               |
   | key-pairs             | 100                              |
   | l7_policies           | None                             |
   | listeners             | None                             |
   | load_balancers        | None                             |
   | location              | None                             |
   | name                  | None                             |
   | networks              | 10                               |
   | per-volume-gigabytes  | -1                               |
   | pools                 | None                             |
   | ports                 | 50                               |
   | project               | e436339c7f9c476cb3120cf3b9667377 |
   | project_id            | None                             |
   | properties            | 128                              |
   | ram                   | 51200                            |
   | rbac_policies         | 10                               |
   | routers               | 10                               |
   | secgroup-rules        | 100                              |
   | secgroups             | 10                               |
   | server-group-members  | 10                               |
   | server-groups         | 10                               |
   | snapshots             | 10                               |
   | snapshots_lvmdriver-1 | -1                               |
   | subnet_pools          | -1                               |
   | subnets               | 10                               |
   | volumes               | 15                               |
   | volumes_lvmdriver-1   | -1                               |
   +-----------------------+----------------------------------+
   

3. To clear per-project quota limits:

   $ openstack quota delete --volume $PROJECT_ID