beautypg.com

HP Hitachi Dynamic Link Manager Software User Manual

Page 499

background image

C. Glossary

477

configurations where the host and storage units are connected via a FC connection.

HDLM alert driver

A program that receives information about an error detected by the HDLM driver, and

then reports the error information to the HDLM manager.

HDLM driver

A program that controls all the HDLM functions, manages paths, and detects errors.

HDLM manager

A program that manages error information. The HDLM manager receives error

information from the HDLM alert driver and then collects error logs.

host

A generic term for both servers and clients.

host device

A logical area in a host LU.
(See also: host LU, host device name)

host device name

A name assigned to a host device. The hdisk is assigned.
(See also: host device)

host LU

An LU that a host recognizes. The actual HDev entity is a Dev in the storage system.
Each host LU has a host LU number.
(See also: LU, host LU number, host device)

host LU number

A number assigned to a host LU. The host LU number is part of a path name.
(See also: host LU, path name)

I

intermittent error

An error that occurs irregularly due to, for example, a loose cable connection.

L

LDEV (Logical Device)

A combination of the storage system's product name, serial number, and an internal