HP XP Racks - Manual (Page 26)

Figure 2-1 HDLM System Configuration
The following table lists and describes 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.
Path A route that connects a host and a Dev.
2-4
HDLM Functions
Hitachi Dynamic Link Manager (for AIX) User Guide