cinder.volume.drivers.hitachi.vsp_common
Modulecinder.volume.drivers.hitachi.vsp_common
Module¶Common module for Hitachi VSP Driver.
VSPCommon
(conf, driverinfo, db)¶Bases: object
Common class for Hitachi VSP Driver.
check_param
()¶Check parameter values and consistency among them.
check_param_iscsi
()¶Check iSCSI-related parameter values and consistency among them.
check_ports_info
()¶Check if available storage ports exist.
check_vvol
(ldev)¶Return True if the specified LDEV is V-VOL, False otherwise.
config_lock
()¶Initialize lock resource names.
connect_storage
()¶Prepare for using the storage.
copy_on_storage
(pvol, size, metadata, sync)¶Create a copy of the specified LDEV on the storage.
create_cloned_volume
(volume, src_vref)¶Create a clone of the specified volume and return its properties.
create_ldev
(size, is_vvol=False)¶Create an LDEV and return its LDEV number.
create_ldev_on_storage
(ldev, size, is_vvol)¶Create an LDEV on the storage system.
create_mapping_targets
(targets, connector)¶Create server-storage connection for all specified storage ports.
create_pair_on_storage
(pvol, svol, is_thin)¶Create a copy pair on the storage.
create_snapshot
(snapshot)¶Create a snapshot from a volume and return its properties.
create_target_to_storage
(port, connector, hba_ids)¶Create a host group or an iSCSI target on the specified port.
create_volume
(volume)¶Create a volume and return its properties.
create_volume_from_snapshot
(volume, snapshot)¶Create a volume from a snapshot and return its properties.
delete_ldev_from_storage
(ldev)¶Delete the specified LDEV from the storage.
delete_pair
(ldev, all_split=True)¶Disconnect all volume pairs to which the specified LDEV belongs.
delete_pair_based_on_pvol
(pair_info, all_split)¶Disconnect all volume pairs to which the specified P-VOL belongs.
delete_pair_based_on_svol
(pvol, svol_info)¶Disconnect all volume pairs to which the specified S-VOL belongs.
delete_pair_from_storage
(pvol, svol, is_thin)¶Disconnect the volume pair that consists of the specified LDEVs.
delete_snapshot
(snapshot)¶Delete the specified snapshot.
delete_target_from_storage
(port, gid)¶Delete the host group or the iSCSI target from the port.
delete_volume
(volume)¶Delete the specified volume.
discard_zero_page
(volume)¶Return the volume’s no-data pages to the storage pool.
do_setup
(context)¶Prepare for the startup of the driver.
extend_ldev
(ldev, old_size, new_size)¶Extend the specified LDEV to the specified new size.
extend_volume
(volume, new_size)¶Extend the specified volume to the specified size.
find_all_mapped_targets_from_storage
(targets, ldev)¶Add all port-gids connected with the LDEV to the list.
find_mapped_targets_from_storage
(targets, ldev, target_ports)¶Find and store IDs of ports used for server-LDEV connection.
find_targets_from_storage
(targets, connector, target_ports)¶Find mapped ports, memorize them and return unmapped port count.
get_copy_method
(metadata)¶Return copy method(FULL or THIN).
get_hba_ids_from_connector
(connector)¶Return the HBA ID stored in the connector.
get_ldev_size_in_gigabyte
(ldev, existing_ref)¶Return the size[GB] of the specified LDEV.
get_pair_info
(ldev)¶Return volume pair info(LDEV number, pair status and pair type).
get_pool_id
()¶Return the storage pool ID as integer.
get_pool_info
()¶Return the total and free capacity of the storage pool.
get_properties
(targets, connector, target_lun=None)¶Return server-LDEV connection info.
get_properties_fc
(targets)¶Return FC-specific server-LDEV connection info.
get_properties_iscsi
(targets, multipath)¶Return iSCSI-specific server-LDEV connection info.
get_storage_cli_info
()¶Return a tuple of the storage CLI name and its version.
get_target_ports
(connector)¶Return a list of ports corresponding to the specified connector.
get_unmap_targets_list
(target_list, mapped_list)¶Return a list of IDs of ports that need to be disconnected.
get_unused_ldev
()¶Find an unused LDEV and return its LDEV number.
get_volume_stats
(refresh=False)¶Return properties, capabilities and current states of the driver.
init_cinder_hosts
(**kwargs)¶Initialize server-storage connection.
initialize_connection
(volume, connector)¶Initialize connection between the server and the volume.
manage_existing
(existing_ref)¶Return volume properties which Cinder needs to manage the volume.
manage_existing_get_size
(existing_ref)¶Return the size[GB] of the specified volume.
map_ldev
(targets, ldev)¶Create the path between the server and the LDEV and return LUN.
output_param_to_log
()¶Output configuration parameter values to the log file.
run_and_verify_storage_cli
(*cmd, **kwargs)¶Run storage CLI and return the result or raise an exception.
run_storage_cli
(*cmd, **kwargs)¶Run storage CLI.
set_hba_ids
(port, gid, hba_ids)¶Connect all specified HBAs with the specified port.
set_target_mode
(port, gid)¶Configure the target to meet the environment.
terminate_connection
(volume, connector)¶Terminate connection between the server and the volume.
unmanage
(volume)¶Prepare the volume for removing it from Cinder management.
unmap_ldev
(targets, ldev)¶Delete the LUN between the specified LDEV and port-gid.
unmap_ldev_from_storage
(ldev)¶Delete the connection between the specified LDEV and servers.
wait_full_copy_completion
(pvol, svol)¶Wait until FULL copy is completed.
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