HP Hitachi Dynamic Link Manager Software - Manual (Page 233)

owner path
A path that passes through an owner controller for an LU in the 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 Universal Storage Platform V/VM series, Virtual Storage Platform series,
Hitachi AMS2000 series
# , Hitachi SMS series # , HUS100 series # , or HUS VM, all paths
are owner paths.
(See also: owner controller, non-owner path)
#
This storage system applies when the dynamic I/O path control function is disabled.
P
path
An access path from a host to a storage system. Access to an 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)
- Target ID (hexadecimal number)
- Host LU number (hexadecimal number)
A path name is used to identify a path.
(See also: host LU number)
R
remote management client
A machine that connects to a host via a LAN, and uses commands and utilities to control
it.
reservation
The reservation function enables a host to declare that it has exclusive rights to use a
particular LU, and prevents other hosts from accessing that LU. Access permission for
an LU that has been reserved is given only to the host that issued the reservation, so
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Glossary-5
Hitachi Dynamic Link Manager User Guide for VMware ®