HP XP Racks User Manual
Page 24

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 User Guide for AIX®
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