HP Hitachi Dynamic Link Manager Software - Manual (Page 37)

2. HDLM Functions
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Figure 2-3: LU Configuration Recognized by the Host After HDLM Installation
Table 2-3: LU Components lists the components recognized by the host.
Table 2-3: LU Components
Components Description
HDev A Dev (partition) in an LU that the host recognizes via
the HDLM driver. It is called a host device. One host
device is recognized for one Dev in the storage system.
HLU An LU that the host recognizes via the HDLM driver. It
is called a host LU. Regardless of how many paths exist,
only one host LU is recognized for each LU in the
storage system.