Compaq CL380 - ProLiant - 256 MB RAM Software User's Manual page 77

CR3500 Configuration Utility 4-25
5. Select a Logical Unit Number (LUN) for the logical drive (Figure 4-18).
The Step 5 screen also gives you the option of enabling the Writeback
Cache to improve host performance. For more information on LUNs and
Writeback Cache, refer to the online help.
Figure 4-18. Add Logical Drive: Step 5