HP XP P9500 Storage User Manual
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paths. The ID that HDLM assigns to each path (physical path) is called a
AutoPATH_ID. A path is also sometimes called a managed object.
The following figure shows the HDLM system configuration.
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 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 (slice or partition) that is created when an LU is divided
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 User Guide for Solaris
®