HP Hitachi Dynamic Link Manager Software - Manual (Page 32)

2. HDLM Functions
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Figure 2-1: Configuration of an HDLM System When Using an FC-SAN
Table 2-1: HDLM System Components When Using an FC-SAN 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 data transfer between the host 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 (a logical volume defined on the storage system). This serves as the target of input
or output operations from the host.
Dev An area (partition) of a divided LU.
Physical path A route that connects a host and an LU.