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External storage components, 3 concept of external storage, Figure 3 – HP XP External Storage Software User Manual

Page 18

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Figure 3 Concept of External Storage

By mapping an external volume as an internal volume using External Storage as shown in

Figure 3

on page 18, it becomes possible to operate the external volume using Remote Web Console as

if it is a volume in the storage system.

External Storage Components

Systems using External Storage usually contain the following components:

Local storage system (storage system)

External storage system

Remote Web Console computer

External Storage

External volume

Internal volume, which is a virtual representation of an external volume

LDEVs (Logical Devices) in an external volume

Cross-subsystem path

Mapping path

The following figure illustrates the relations of the External Storage components.

18

About External Storage Operations

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