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(LogicalDevices)inanexternalvolume
• 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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