Initializing Disk Drives; Rescanning Disk Drives - Adaptec 51645 Installation And User Manual

Option Description
Power Off Drive After The duration of inactive state of the array/drive after which it is powered
off. This is an optional setting.
Note:
Down Drive After Duration.
Verify Drive After The regular time interval at which the system performs a health check of
the array/drive.
Modifying Cache Settings
You can modify the read and write cache settings for an array. You can also modify the MaxIQ
cache settings. The MaxIQ cache uses the Adaptec MaxIQ Solid State Drives in your system as
a read cache pool to improve performance in read-intensive applications.
Note:
For more information about MaxIQ, see
88.
To modify cache settings:
Select Manage Arrays from the main ACU menu.
1
Select the array, then press Ctrl+C.
2
The Modify Cache Settings window opens.
Enable or disable read caching.
3
Press Tab.
4
Select the preferred MaxIQ setting (Enable/Disable), press Tab, then enable or disable
5
MaxIQ.
Note:
To enable MaxIQ caching, regular read caching must also be enabled.
Press Tab.
6
Enable or disable write caching: select Enable always for "write-back" caching; select
7
Disable for "write-through" caching.
Press Enter to accept the values.
8

Initializing Disk Drives

If a disk drive appears grayed-out (unavailable for use in a new array), it may need to be
initialized.
To begin initializing a disk drive, select Initialize Drives from the main ACU menu. You can
initialize 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 to
initialize. Press Esc to continue.
Caution:
Do not initialize a disk drive that is part of an array. Initializing a disk drive that's
!
part of an array may make the array unusable.
Back up all data from your disk drive before you initialize it.

Rescanning Disk Drives

To begin rescanning a disk drive, select Rescan Drives from the main ACU menu.
Appendix C: Using the Adaptec RAID Configuration Utility
Power Off Drive After duration should be greater than Slow
Using the ACU to Manage the MaxIQ Pool on page
86
●