HP Hitachi Dynamic Link Manager Software User Manual
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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 User Guide for Linux
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