Hitachi Dynamic Link Manager Software Users Guide for Windows

HDLM assigns a unique ID to each management-target path. This ID is called
AutoPATH_ID. Sometimes, the path is also just simply called a management
target.
The following figure shows the configuration of an HDLM system using an FC-
SAN.
Figure 2-1 Configuration of an HDLM System When Using an FC-SAN
The following table lists the HDLM system components when using an FC-
SAN.
Table 2-1 HDLM System Components When Using an FC-SAN
Components Description
HBA A host bus adapter. This serves as a cable port on the
host.
FC-SAN A dedicated network that is used for the transfer of
data between hosts and storage systems
CHA A channel adapter
P A port on a CHA. This serves as a cable port on a
storage system.
LU A logical unit with which a host can perform I/O
operations. This unit can be accessed from the network.
Dev A logical area (a partition) in an LU
Path A route that connects a host to a Dev in an LU
2-4
HDLM Functions
Hitachi Dynamic Link Manager (for Windows®) User Guide