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.. _cinder-emc_sio:

.. list-table:: Description of EMC SIO volume driver configuration options
   :header-rows: 1
   :class: config-ref-table

   * - Configuration option = Default value
     - Description
   * - **[DEFAULT]**
     -
   * - ``sio_max_over_subscription_ratio`` = ``10.0``
     - (Floating point) max_over_subscription_ratio setting for the ScaleIO driver. This replaces the general max_over_subscription_ratio which has no effect in this driver.Maximum value allowed for ScaleIO is 10.0.
   * - ``sio_protection_domain_id`` = ``None``
     - (String) Protection Domain ID.
   * - ``sio_protection_domain_name`` = ``None``
     - (String) Protection Domain name.
   * - ``sio_rest_server_port`` = ``443``
     - (String) REST server port.
   * - ``sio_round_volume_capacity`` = ``True``
     - (Boolean) Round up volume capacity.
   * - ``sio_server_certificate_path`` = ``None``
     - (String) Server certificate path.
   * - ``sio_storage_pool_id`` = ``None``
     - (String) Storage Pool ID.
   * - ``sio_storage_pool_name`` = ``None``
     - (String) Storage Pool name.
   * - ``sio_storage_pools`` = ``None``
     - (String) Storage Pools.
   * - ``sio_unmap_volume_before_deletion`` = ``False``
     - (Boolean) Unmap volume before deletion.
   * - ``sio_verify_server_certificate`` = ``False``
     - (Boolean) Verify server certificate.