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rtslib
Package rtslib :: Module tcm :: Class UserBackedStorageObject
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Class UserBackedStorageObject

  object --+        
           |        
node.CFSNode --+    
               |    
   StorageObject --+
                   |
                  UserBackedStorageObject

An interface to configFS storage objects for userspace-backed backstore.

Instance Methods [hide private]
 
__init__(self, name, config=None, size=None, wwn=None, hw_max_sectors=None, control=None, index=None)
Returns: A UserBackedStorageObject object.
 
_configure(self, config, size, wwn, hw_max_sectors, control)
 
_get_size(self)
 
_get_hw_max_sectors(self)
 
_get_control_tuples(self)
 
_get_config(self)
 
_get_alua_supported(self)
Children should override if the backend did not always support ALUA
 
dump(self)

Inherited from StorageObject: __eq__, __ne__, __repr__, delete, is_configured

Inherited from StorageObject (private): _config_pr_aptpl, _control, _enable, _gen_attached_luns, _get_name, _get_status, _get_udev_path, _get_version, _get_wwn, _list_alua_tpgs, _list_attached_luns, _parse_info, _set_udev_path, _set_wwn, _write_fd

Inherited from node.CFSNode: get_attribute, get_parameter, list_attributes, list_parameters, set_attribute, set_parameter

Inherited from node.CFSNode (private): _check_self, _create_in_cfs_ine, _exists, _get_path, _list_files

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Methods [hide private]

Inherited from StorageObject: all, so_from_path

Class Variables [hide private]

Inherited from node.CFSNode: configfs_dir

Properties [hide private]
  hw_max_sectors
Get the max sectors per command.
  control_tuples
Get the comma separated string containing control=value tuples.
  size
Get the size in bytes.
  config
Get the TCMU config.
  alua_supported
Returns true if ALUA can be setup.

Inherited from StorageObject: alua_tpgs, attached_luns, name, status, udev_path, version, wwn

Inherited from node.CFSNode: exists, path

Inherited from object: __class__

Method Details [hide private]

__init__(self, name, config=None, size=None, wwn=None, hw_max_sectors=None, control=None, index=None)
(Constructor)

 

x.__init__(...) initializes x; see help(type(x)) for signature

Parameters:
  • name (string) - The name of the UserBackedStorageObject.
  • config (string) - user-handler-specific config string.
    • e.g. "rbd/machine1@snap4"
  • size (int) - The size of the device to create, in bytes.
  • wwn (string) - T10 WWN Unit Serial, will generate if None
  • hw_max_sectors (int)
Returns:
A UserBackedStorageObject object.
Overrides: object.__init__

_configure(self, config, size, wwn, hw_max_sectors, control)

 
Overrides: StorageObject._configure

_get_alua_supported(self)

 

Children should override if the backend did not always support ALUA

Overrides: StorageObject._get_alua_supported
(inherited documentation)

dump(self)

 
Overrides: node.CFSNode.dump

Property Details [hide private]

hw_max_sectors

Get the max sectors per command.

Get Method:
_get_hw_max_sectors(self)

control_tuples

Get the comma separated string containing control=value tuples.

Get Method:
_get_control_tuples(self)

size

Get the size in bytes.

Get Method:
_get_size(self)

config

Get the TCMU config.

Get Method:
_get_config(self)

alua_supported

Returns true if ALUA can be setup. False if not supported.

Get Method:
_get_alua_supported(self) - Children should override if the backend did not always support ALUA

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