HP XP P9500 Storage - Manual (Page 17)

The following illustrates a simple expanded LU environment, where LDEVs are concatenated to
form a LUSE volume.
When to use custom-sized provisioning
Use custom-sized provisioning when you want to manually control and monitor your storage
resources and usage scenarios.
When to use expanded-LU provisioning
Expanded-LU provisioning is a best fit in the following scenarios:
•
In an open systems environment.
•
When you want to manually control and monitor your storage resources and usage scenarios.
•
To combine open-systems volumes to create an open-systems volume (LU) larger than 2.8 TB.
•
When thin provisioning is not an option.
For detailed information, see “Configuring expanded LU provisioning” (page 64) .
Basic provisioning workflow
The following illustrates the basic provisioning workflow:
When to use custom-sized provisioning 17