HP XP P9500 Storage - Manual (Page 20)

Remote Web Console computer
User-supplied computer that operates Remote Web Console.
External Storage
A program product that enables the operation of multiple storage systems connected to the P9500
storage system as if they were all in one storage system and provides common management tools
and software.
External volume
It is a volume in the external storage system mapped as a volume of the connected storage system
by using External Storage.
Internal volume
It is a volume managed by the local storage system. It is a virtual representation of an external
volume.
Mapping
External volume mapping is required for manipulating external volumes from the local storage
system. “Mapping” means assigning the management numbers to the external volumes. Management
numbers are required for manipulating external volumes from the local storage system. By assigning
the management numbers to the external volumes, the system administrator will be able to manipulate
not only internal volumes of local storage system but also external volumes using Remote Web
Console. The management numbers consist of "external volume group number - sequential number"
(example: E2-1, E50-3).
Figure 9 (page 20) shows the connection between a local storage system and an external storage
system connected by the External Storage function. The external storage system is connected to
the external port of the local storage system via a switch using the Fibre Channel interface. The
external port is a kind of port attribute that is used for External Storage. The external volumes are
mapped as internal virtual volumes.
Figure 9 External Storage concept
By mapping an external volume as an internal virtual volume using External Storage as shown in
Figure 9 (page 20) , it is possible to operate the external volume using Remote Web Console as if
it is a volume in the local storage system.
20 Key terms