beautypg.com

HP Hitachi Dynamic Link Manager Software User Manual

Page 34

background image

18

Chapter 2 HDLM Functions

Table 2.4 lists and describes the functionality of these programs.

Table 2.4

HDLM Program Functionality

Program Name

Functionality

HDLM GUI

Provides a graphical user interface (GUI) to enable you to:

ƒ

Manage paths

ƒ

Display error information

ƒ

Set up the HDLM operating environment

HDLM command

Provides the

dlnkmgr

command to enable you to:

ƒ

Manage paths

ƒ

Display error information

ƒ

Set up the HDLM operating environment

HDLM utility

Provides the HDLM utility to enable you to:

ƒ

Collect error information

ƒ

Clear persistent reservations

ƒ

Register persistent reservation keys

ƒ

Check the path configuration

HDLM manager

Provides the HDLM manager to enable you to:

ƒ

Configure the operating environment

ƒ

Request the execution of path health checks and automatic failback

ƒ

Collect error log data

HDLM alert driver

Reports the log information collected by the HDLM driver to the HDLM

manager.

HDLM driver

Controls HDLM functionality, manages paths, and detects errors. The HDLM

driver consists of the following:

ƒ

Core logic component
Controls the basic functionality of HDLM.

ƒ

Filter component
Sends and receives I/O. The driver name is

hdlmdsm.sys

.