Appendix C: Using the Adaptec RAID Configuration Utility ● 99Modifying Cache SettingsYou can modify the read and write cache settings for an array. You can also modify the MaxIQcache settings. The MaxIQ cache uses the MaxIQ-compatible Solid State Drives in your systemas a read cache pool to improve performance in read-intensive applications.Note: For more information about MaxIQ, see Using the ACU to Manage the MaxIQ Pool on page101.To modify cache settings:1 Select Manage Arrays from the main ACU menu.2 Select the array, then press Ctrl+C.The Modify Cache Settings window opens.3 Enable or disable read caching.4 Press Tab.5 Select the preferred MaxIQ setting (Enable/Disable), press Tab, then enable or disableMaxIQ.Note: To enable MaxIQ caching, read caching must also be enabled.6 Press Tab.7 Enable or disable write caching: select Enable always for “write-back” caching; selectDisable for “write-through” caching.8 Press Enter to accept the values.Initializing Disk DrivesIf a disk drive appears grayed-out (unavailable for use in a new array), it may need to beinitialized.To begin initializing a disk drive, select Initialize Drives from the main ACU menu. You caninitialize one drive or multiple drives. If an error occurs during initialization, the message“Initializing drives...FAILED x of n” is displayed. Press Enter to see a list of drives that failed toinitialize. Press Esc to continue.Caution: Do not initialize a disk drive that is part of an array. Initializing a disk drive that’spart of an array may make the array unusable.Back up all data from your disk drive before you initialize it.Rescanning Disk DrivesTo begin rescanning a disk drive, select Rescan Drives from the main ACU menu.Power Off Drive After The duration of inactive state of the array/drive after which it is poweredoff. This is an optional setting.Note: Power Off Drive After duration should be greater than SlowDown Drive After Duration.Verify Drive After The regular time interval at which the system performs a health check ofthe array/drive.Option Description!
