.. _manage-quotas:

=============
Manage quotas
=============

To prevent system capacities from being exhausted without
notification, you can set up quotas. Quotas are operational
limits. For example, the number of gigabytes allowed for each
project can be controlled so that cloud resources are optimized.
Quotas can be enforced at both the project
and the project-user level.

Using the command-line interface, you can manage quotas for
the OpenStack Compute service, the OpenStack Block Storage service,
and the OpenStack Networking service.

The cloud operator typically changes default values because a
project requires more than ten volumes or 1 TB on a compute
node.

.. note::

   To view all projects, run:

   .. code-block:: console

      $ openstack project list
      +----------------------------------+----------+
      | ID                               | Name     |
      +----------------------------------+----------+
      | e66d97ac1b704897853412fc8450f7b9 | admin    |
      | bf4a37b885fe46bd86e999e50adad1d3 | services |
      | 21bd1c7c95234fd28f589b60903606fa | tenant01 |
      | f599c5cd1cba4125ae3d7caed08e288c | tenant02 |
      +----------------------------------+----------+

   To display all current users for a project, run:

   .. code-block:: console

      $ openstack user list --project PROJECT_NAME
      +----------------------------------+--------+
      | ID                               | Name   |
      +----------------------------------+--------+
      | ea30aa434ab24a139b0e85125ec8a217 | demo00 |
      | 4f8113c1d838467cad0c2f337b3dfded | demo01 |
      +----------------------------------+--------+

Use :samp:`openstack quota show {PROJECT_NAME}` to list all quotas for a
project.

Use :samp:`openstack quota set {PROJECT_NAME} {--parameters}` to set quota
values.

.. toctree::
   :maxdepth: 2

   cli-set-compute-quotas.rst
   cli-cinder-quotas.rst
   cli-networking-advanced-quotas.rst