HP XP P9500 Hitachi Dynamic Link Manager Software User Guide for VMWare (HIT52 - Page 22

Program Configuration, LU Configuration Recognized by the Host After the Installation

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Figure 2-2 LU Configuration Recognized by the Host After the Installation of HDLM Table 2-2 Components Recognized by the Host on page 2-4 lists the components recognized by the host. Table 2-2 Components Recognized by the Host Components Description HLU HDev An LU that the host recognizes via the HDLM driver. This type of LU is called a host LU. Regardless of how many paths are connected to it, only one host LU is recognized for each LU in the storage system. A Dev in an LU that the host recognizes via the HDLM driver. This type of Dev is called a host device. Program Configuration HDLM is actually a combination of several programs. Because each program corresponds to a specific HDLM operation, it is important to understand the name and purpose of each program, along with how they are all interrelated. Figure 2-3 Configuration of the HDLM Programs on page 2-5 shows the configuration of the HDLM programs. 2-4 HDLM Functions Hitachi Dynamic Link Manager User Guide (for VMware(R))

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Figure 2-2 LU Configuration Recognized by the Host After the Installation
of HDLM
Table 2-2 Components Recognized by the Host on page
2-
4
lists the
components recognized by the host.
Table 2-2 Components Recognized by the Host
Components
Description
HLU
An LU that the host recognizes via the HDLM driver. This
type of LU is called a
host LU
. Regardless of how many
paths are connected to it, only one host LU is recognized
for each LU in the storage system.
HDev
A Dev in an LU that the host recognizes via the HDLM
driver. This type of Dev is called a
host device
.
Program Configuration
HDLM is actually a combination of several programs. Because each program
corresponds to a specific HDLM operation, it is important to understand the
name and purpose of each program, along with how they are all interrelated.
Figure 2-3 Configuration of the HDLM Programs on page
2-
5
shows the
configuration of the HDLM programs.
2-4
HDLM Functions
Hitachi Dynamic Link Manager User Guide (for VMware(R))