External storage components, 3 concept of external storage, Figure 3 – HP XP External Storage Software User Manual
Page 18
Figure 3 Concept of External Storage
By mapping an external volume as an internal volume using External Storage as shown in
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