The cinder.volume.drivers.datacore.driver Module¶

Base Driver for DataCore SANsymphony storage array.

class DataCoreVolumeDriver(*args, **kwargs)¶

Bases: cinder.volume.driver.BaseVD

DataCore SANsymphony base volume driver.

AWAIT_DISK_ONLINE_INTERVAL = 10¶

AWAIT_SNAPSHOT_ONLINE_INITIAL_DELAY = 5¶

AWAIT_SNAPSHOT_ONLINE_INTERVAL = 10¶

DATACORE_DISK_POOLS_KEY = ‘datacore:disk_pools’¶

DATACORE_DISK_TYPE_KEY = ‘datacore:disk_type’¶

DATACORE_MIRRORED_DISK = ‘mirrored’¶

DATACORE_SINGLE_DISK = ‘single’¶

DATACORE_STORAGE_PROFILE_KEY = ‘datacore:storage_profile’¶

STORAGE_PROTOCOL = ‘N/A’¶

VALID_VOLUME_TYPE_KEYS = (‘datacore:disk_type’, ‘datacore:storage_profile’, ‘datacore:disk_pools’)¶

check_for_setup_error()¶

create_cloned_volume(volume, src_vref)¶

Creates volume clone.

Parameters:	volume – New Volume object src_vref – Volume object that must be cloned
Returns:	Dictionary of changes to the volume object to be persisted

create_export(context, volume, connector)¶

create_snapshot(snapshot)¶

Creates a snapshot.

Parameters:	snapshot – Snapshot object
Returns:	Dictionary of changes to the snapshot object to be persisted

create_volume(volume)¶

Creates a volume.

Parameters:	volume – Volume object
Returns:	Dictionary of changes to the volume object to be persisted

create_volume_from_snapshot(volume, snapshot)¶

Creates a volume from a snapshot.

Parameters:	volume – Volume object snapshot – Snapshot object
Returns:	Dictionary of changes to the volume object to be persisted

delete_snapshot(snapshot)¶

Deletes a snapshot.

Parameters:	snapshot – Snapshot object

delete_volume(volume)¶

Deletes a volume.

Parameters:	volume – Volume object

do_setup(context)¶

Perform validations and establish connection to server.

Parameters:	context – Context information

ensure_export(context, volume)¶

extend_volume(volume, new_size)¶

Extend an existing volume’s size.

Parameters:	volume – Volume object new_size – new size in GB to extend this volume to

get_storage_protocol()¶

Get storage protocol of the volume backend.

Returns:	Storage protocol

get_volume_backend_name()¶

Get volume backend name of the volume service.

Returns:	Volume backend name

get_volume_stats(refresh=False)¶

Obtain status of the volume service.

Parameters:	refresh – Whether to get refreshed information

remove_export(context, volume)¶

terminate_connection(volume, connector, **kwargs)¶

Disallow connection from connector.

Parameters:	volume – Volume object connector – Connector information