Quantum DXi4700 User Manual page 243

Chapter 9: Configuration
OST Configuration
Add Logical Storage Unit Page
2. Enter information about the LSU.
Storage Select the storage server that will contain the new LSU.
Server
Available (Recommended for best performance) Select this option to add an LSU that uses the available
Capacity capacity on the system.
You cannot add an available capacity LSU to a storage server that already contains an LSU.
Also, if you add an available capacity LSU to a storage server, you cannot add additional LSUs
to that same storage server.
Specific Select this option to specify the physical capacity of the LSU, and then enter the following
Capacity information.
LSU Name - Enter the name of the LSU.
l
Physical Capacity - Enter the physical capacity of the LSU (1 to 1048576 GB).
l
3. (Optional) In the Description box, enter a brief description of the LSU.
4. (Optional) Select the Enable Automatic Image Replication check box to automatically replicate
Quantum DXi4700 User's Guide
Note: After you add an LSU that uses the Available Capacity option, you cannot change
the LSU to use the Specific Capacity option. Instead, you must delete the LSU, then add
a new LSU and choose the Specific Capacity option (see
Note: Quantum recommends setting LSUs to maximum size (1048576 GB) because
spanning them on a backup is not possible.
Deleting an LSU on page 246).
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