HiCommand Dynamic Link Manager (HDLM) for Windows Systems User's Guide (HIT5201-96001, January 2008)

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:
 Manage paths
 Display error information
 Set up the HDLM operating environment
HDLM command Provides the dlnkmgr command to enable you to:
 Manage paths
 Display error information
 Set up the HDLM operating environment
HDLM utility Provides the HDLM utility to enable you to:
 Collect error information
 Clear persistent reservations
 Register persistent reservation keys
 Check the path configuration
HDLM manager Provides the HDLM manager to enable you to:
 Configure the operating environment
 Request the execution of path health checks and automatic failback
 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:
 Core logic component
Controls the basic functionality of HDLM.
 Filter component
Sends and receives I/O. The driver name is hdlmdsm.sys.