Merge "ScaleIO new functionality"
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@@ -14,24 +14,79 @@ nodes to a ScaleIO storage cluster.
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Support matrix
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~~~~~~~~~~~~~~
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- ScaleIO: Version 1.32
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* ScaleIO: Version 1.32
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Supported operations
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~~~~~~~~~~~~~~~~~~~~
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- Create, delete, clone, attach, and detach volumes
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* Create, delete, clone, attach, and detach volumes
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- Create and delete volume snapshots
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* Create and delete volume snapshots
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- Create a volume from a snapshot
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* Create a volume from a snapshot
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- Copy an image to a volume
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* Copy an image to a volume
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- Copy a volume to an image
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* Copy a volume to an image
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- Extend a volume
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* Extend a volume
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- Get volume statistics
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* Get volume statistics
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* Manage and unmanage a volume
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* Create, list, update, and delete consistency groups
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* Create, list, update, and delete consistency group snapshots
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ScaleIO QoS support
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~~~~~~~~~~~~~~~~~~~~
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QoS support for ScaleIO driver includes the ability to set the
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following capabilities in the Block Storate API
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``cinder.api.contrib.qos_specs_manage`` QoS specs extension module:
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* ``minBWS``
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* ``maxBWS``
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The QoS keys above must be created and associated to a volume type.
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For information about how to set the key-value pairs and associate
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them with a volume type, run the following commands:
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.. code-block:: console
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$ cinder help qos-create
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$ cinder help qos-key
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$ cinder help qos-associate
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``maxBWS``
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The QoS I/O issue bandwidth rate limit in KBs. If not set, the I/O issue
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bandwidth rate has no limit. Must have a granularity of 1024.
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``maxIOPS``
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The QoS I/O issue bandwidth rate limit in MBs. If not set, the I/O issue
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bandwidth rate has no limit. Must be larger than 10.
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Since the limits are per SDC, they will be applied after the volume
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is attached to an instance and thus to a compute node/SDC.
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ScaleIO thin provisioning support
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The Block Storage driver supports creation of thin-provisioned volumes,
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in addition to thick provisioning.
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The provisioning type settings should be added as an extra specification
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of the volume type, as follows:
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.. code-block:: ini
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sio:provisioning_type = thin\thick
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If the provisioning type value is not specified, the default value of
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thick will be used.
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ScaleIO Block Storage driver configuration
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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@@ -52,7 +107,7 @@ Configure the driver name by adding the following parameter:
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.. code-block:: ini
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volume_driver = cinder.volume.drivers.emc.scaleio.ScaleIODriver
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volume_driver = cinder.volume.drivers.emc.scaleio.ScaleIODriver
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ScaleIO MDM server IP
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---------------------
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@@ -67,55 +122,55 @@ Configure the MDM server IP by adding the following parameter:
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.. code-block:: ini
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san_ip = ScaleIO GATEWAY IP
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san_ip = ScaleIO GATEWAY IP
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ScaleIO protection domain name
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ScaleIO Protection Domain name
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------------------------------
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ScaleIO allows multiple protection domains (groups of SDSs that provide
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ScaleIO allows multiple Protection Domains (groups of SDSs that provide
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backup for each other).
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To retrieve the available protection domains, use the
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To retrieve the available Protection Domains, use the
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:command:`scli --query_all` command and search for the protection
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domains section.
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Configure the protection domain for newly created volumes by adding the
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Configure the Protection Domain for newly created volumes by adding the
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following parameter:
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.. code-block:: ini
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sio_protection_domain_name = ScaleIO Protection Domain
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sio_protection_domain_name = ScaleIO Protection Domain
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ScaleIO storage pool name
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ScaleIO Storage Pool name
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-------------------------
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A ScaleIO storage pool is a set of physical devices in a protection
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A ScaleIO Storage Pool is a set of physical devices in a protection
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domain.
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To retrieve the available storage pools, use the :command:`scli --query_all`
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command and search for available storage pools.
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To retrieve the available Storage Pools, use the :command:`scli --query_all`
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command and search for available Storage Pools.
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Configure the storage pool for newly created volumes by adding the
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Configure the Storage Pool for newly created volumes by adding the
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following parameter:
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.. code-block:: ini
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sio_storage_pool_name = ScaleIO Storage Pool
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sio_storage_pool_name = ScaleIO Storage Pool
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ScaleIO storage pools
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ScaleIO Storage Pools
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---------------------
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Multiple storage pools and protection domains can be listed for use by
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Multiple Storage Pools and Protection Domains can be listed for use by
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the virtual machines.
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To retrieve the available storage pools, use the :command:`scli --query_all`
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command and search for available storage pools.
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To retrieve the available Storage Pools, use the :command:`scli --query_all`
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command and search for available Storage Pools.
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Configure the available storage pools by adding the following parameter:
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Configure the available Storage Pools by adding the following parameter:
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.. code-block:: ini
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sio_storage_pools = Comma separated list of protection domain:storage pool name
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sio_storage_pools = Comma separated list of protection domain:storage pool name
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ScaleIO user credentials
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------------------------
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@@ -130,9 +185,9 @@ Configure the user credentials by adding the following parameters:
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.. code-block:: ini
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san_login = ScaleIO username
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san_login = ScaleIO username
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san_password = ScaleIO password
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san_password = ScaleIO password
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Multiple back ends
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~~~~~~~~~~~~~~~~~~
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@@ -155,18 +210,18 @@ parameters as follows:
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.. code-block:: ini
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[Default]
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enabled_backends = scaleio
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[Default]
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enabled_backends = scaleio
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[scaleio]
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volume_driver = cinder.volume.drivers.emc.scaleio.ScaleIODriver
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volume_backend_name = scaleio
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san_ip = GATEWAY_IP
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sio_protection_domain_name = Default_domain
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sio_storage_pool_name = Default_pool
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sio_storage_pools = Domain1:Pool1,Domain2:Pool2
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san_login = SIO_USER
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san_password = SIO_PASSWD
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[scaleio]
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volume_driver = cinder.volume.drivers.emc.scaleio.ScaleIODriver
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volume_backend_name = scaleio
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san_ip = GATEWAY_IP
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sio_protection_domain_name = Default_domain
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sio_storage_pool_name = Default_pool
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sio_storage_pools = Domain1:Pool1,Domain2:Pool2
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san_login = SIO_USER
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san_password = SIO_PASSWD
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Configuration options
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~~~~~~~~~~~~~~~~~~~~~
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