Hitachi Dynamic Link Manager Software Users Guide for AIX (6.6) (T5208-96010, April 2011)

2. HDLM Functions
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Figure 2-1: HDLM System Configuration
Table 2-1: HDLM System Components lists the HDLM system components.
Table 2-1: HDLM System Components
Components Description
HBA A host bus adapter. This serves as a cable port on the host.
SAN A dedicated network that is used for data transfer between the host machine 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 in an LU.