HP Hitachi Dynamic Link Manager Software User Manual

Page 41

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2. HDLM Functions

17

Table 2-4: Functions of HDLM Programs

Note:

HDLM programs other than the HDLM GUI are referred to as the HDLM Core

components.

Program name

Functions

HDLM GUI

Provides a graphical user interface (GUI), which enables you to:

• Manage paths
• Display error information
• Set up the HDLM operating environment

HDLM command

Provides the

dlnkmgr

command, which enables you to:

• Manage paths
• Display error information
• Set up the HDLM operating environment

HDLM utility

Provides the HDLM utility, which enables you to:

• Collect error information
• Clear persistent reservations
• Register persistent reservation keys
• Check the configuration of the paths
• Check the installation information
• Perform unattended installations of HDLM
• Perform unattended uninstallations of HDLM

HDLM manager

Provides the HDLM manager, which enables you to:

• Configure the operating environment
• Request path health checks and automatic failbacks to be performed
• Collect error log data

HDLM alert driver

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

manager.

HDLM driver

Controls all the HDLM functions, manages paths, and detects errors. The

HDLM driver consists of the following:

• Core logic component

Controls the basic functionality of HDLM.

• Filter component

Sends and receives I/O data. The driver name is

hdlmdsm.sys

.

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