Cache memory is an area of temporary volatile storage (RAM) on the controller that has a faster access time than the actual drive media. By using cache, you can increase overall application performance because:
Use the Logical Drive>>Properties dialog to set logical drive cache parameters. See, Specifying Logical Drive Properties.
Note: There also are cache settings you can set at the Storage Subsystem level that affect all logical drives. Select Storage Subsystem >> Change Cache Settings. For more information, see Changing Storage Subsystem Cache Settings.