openstack/openstack-manuals
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Merge "[config-ref] Update XtremIO docs for mitaka"

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Jenkins 2016-03-24 10:21:00 +00:00 committed by Gerrit Code Review
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doc/config-reference/source/block-storage/drivers/emc-xtremio-driver.rst
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@ -12,7 +12,7 @@ storage nodes to an XtremIO storage cluster.
Support matrix Support matrix
~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~
XtremApp version 3.0 and 4.0 are supported. XtremIO version 4.x is supported.
Supported operations Supported operations
~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~
@ -33,6 +33,13 @@ Supported operations
- Get volume statistics. - Get volume statistics.
- Create, modify, delete, and list consistency groups.
- Create, modify, delete, and list snapshots of consistency groups.
- Create consistency group from consistency group or consistency group
snapshot.
XtremIO Block Storage driver configuration XtremIO Block Storage driver configuration
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -151,26 +158,70 @@ modified as follows:
use_multipath_for_image_xfer = True use_multipath_for_image_xfer = True
Image service optimization
~~~~~~~~~~~~~~~~~~~~~~~~~~
Limit the number of copies (XtremIO snapshots) taken from each image cache.
.. code-block:: ini
xtremio_volumes_per_glance_cache = 100
The default value is ``100``. A value of ``0`` ignores the limit and defers to
the array maximum as the effective limit.
SSL certification
~~~~~~~~~~~~~~~~~
To enable SSL certificate validation, modify the following option in the
``cinder.conf`` file:
.. code-block:: ini
driver_ssl_cert_verify = true
By default, SSL certificate validation is disabled.
To specify a non-default path to ``CA_Bundle`` file or directory with
certificates of trusted CAs:
.. code-block:: ini
driver_ssl_cert_path = Certificate path
Configuring CHAP Configuring CHAP
~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~
The XtremIO Block Storage driver supports CHAP initiator authentication. The XtremIO Block Storage driver supports CHAP initiator authentication and
discovery.
If CHAP initiator authentication is required, set the CHAP If CHAP initiator authentication is required, set the CHAP
Authentication mode to initiator. Authentication mode to initiator.
To set the CHAP initiator mode using CLI, run the following CLI command: To set the CHAP initiator mode using CLI, run the following XMCLI command:
.. code-block:: console .. code-block:: console
$ modify-chap chap-authentication-mode=initiator $ modify-chap chap-authentication-mode=initiator
The CHAP initiator mode can also be set via the XMS GUI. If CHAP initiator discovery is required, set the CHAP discovery mode to
initiator.
To set the CHAP initiator discovery mode using CLI, run the following XMCLI
command:
.. code-block:: console
$ modify-chap chap-discovery-mode=initiator
The CHAP initiator modes can also be set via the XMS GUI.
Refer to XtremIO User Guide for details on CHAP configuration via GUI and CLI. Refer to XtremIO User Guide for details on CHAP configuration via GUI and CLI.
The CHAP initiator authentication credentials (username and password) are The CHAP initiator authentication and discovery credentials (username and
generated automatically by the Block Storage driver. Therefore, there is no password) are generated automatically by the Block Storage driver. Therefore,
need to configure the initial CHAP credentials manually in XMS. there is no need to configure the initial CHAP credentials manually in XMS.
.. _emc_extremio_configuration_example: .. _emc_extremio_configuration_example: