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Figure 3 Concept of XP External Storage
By mapping an external volume as an internal volume using XP External Storage as shown in
Figure 3 (page 13), it becomes possible to operate the external volume using Remote Web Console
as if it is a volume in the local storage system.
XP External Storage Components
Systems using XP External Storage usually contain the following components:
• Local storage system
• External storage system
• Remote Web Console computer
• XP 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
Figure 4 (page 14) illustrates the relations of the XP External Storage components.
XP External Storage Components 13