Hitachi Dynamic Link Manager Software Users Guide for Linux

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 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.
Path A route that connects a host and a Dev.
2-4
HDLM Functions
Hitachi Dynamic Link Manager (for Linux®) User Guide