HP XP P9500 Hitachi Dynamic Link Manager Software User Guide for VMWare (HIT52 - Page 23

HDLM driver and NMP positions, Configuration of the HDLM Programs

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Figure 2-3 Configuration of the HDLM Programs Table 2-3 Functions of HDLM Programs on page 2-5 lists and describes the functions of these programs. Table 2-3 Functions of HDLM Programs Program name Functions HDLM command HDLM utility HDLM driver Provides the dlnkmgr command, which enables you to: • Manage paths • Display error information • Set up the HDLM operating environment Provides the HDLM utility, which enables you to: • Collect error information Controls all the HDLM functions, manages paths, and detects errors. HDLM driver and NMP positions The HDLM driver and NMP are positioned above the SCSI driver, causing each application on a guest OS to access LUs in the storage system via the HDLM driver and NMP. Figure 2-4 Positioning of HDLM Driver and NMP on page 2-6 shows the positioning of the HDLM driver and NMP HDLM Functions 2-5 Hitachi Dynamic Link Manager User Guide (for VMware(R))

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Figure 2-3 Configuration of the HDLM Programs
Table 2-3 Functions of HDLM Programs on page
2-
5
lists and describes the
functions of these programs.
Table 2-3 Functions of HDLM Programs
Program name
Functions
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
HDLM driver
Controls all the HDLM functions, manages paths, and
detects errors.
HDLM driver and NMP positions
The HDLM driver and NMP are positioned above the SCSI driver, causing each
application on a guest OS to access LUs in the storage system via the HDLM
driver and NMP.
Figure 2-4 Positioning of HDLM Driver and NMP on page
2-
6
shows the
positioning of the HDLM driver and NMP
HDLM Functions
2-5
Hitachi Dynamic Link Manager User Guide (for VMware(R))