Hitachi Dynamic Link Manager Software Users Guide for Windows (6.6) (HIT5201-96005, April 2011)

B. Glossary
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(See also: owner path, non-owner controller)
O
owner controller
A controller that has been set as an owner controller for an LU. Owner controllers are
only in the Thunder 9500V series, or Hitachi AMS/WMS series. A controller other
than an owner controller is called a non-owner controller.
When using Lightning 9900 series, Lightning 9900V series, Hitachi USP, Universal
Storage Platform V/VM, Virtual Storage Platform, Hitachi AMS2000 series, or
Hitachi SMS, all controllers are owner controllers.
(See also: owner path, non-owner controller)
owner path
A path that passes through an owner controller for an LU in the Thunder 9500V series,
or Hitachi AMS/WMS series. A path that passes through a controller other than an
owner controller is called a non-owner path.
When using the Lightning 9900 series, Lightning 9900V series, Hitachi USP,
Universal Storage Platform V/VM, Virtual Storage Platform, Hitachi AMS2000 series,
or Hitachi SMS, all paths are owner paths.
(See also: owner controller, non-owner path)
P
path
An access path from a host to a storage system. Access to a logical area within an LU
in a storage system is made via a cable connecting the HBA on the host and the CHA
on the storage system. This cable is a path. Each path has an
AutoPATH_ID.
(See also: AutoPATH_ID)
path health checking
A function for checking the status of paths at regular intervals.
When an error occurs on a path that was in the
Online status, path health checking
changes the status of the path to the
Offline(E) status.
Path health checking checks only those paths that have the
Online status.
path name
The path name consisting of the following four elements, separated by periods:
• Host port number (hexadecimal number)
• Bus number (hexadecimal number)