Installation guide

Chapter 3. LCD Panel Configuration
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3.7.5.2 Alert Beeper Setting
The “Alert Beeper Setting” function item is used to disable or enable the RAID
subsystem’s alarm tone generator. Using the UP/DOWN buttons to select “Alert
beeper setting” and Press ENT to accept the selection. After completed the
selection, the confirmation screen will be displayed and then press ENT to
accept the function. Select the “Disabled” and press ENT key in the dialog box
to turn the beeper off.
3.7.5.3 Change Password
To set or change the RAID subsystem’s password, press the UP/DOWN buttons
to select “Change Password” option and then press ENT to accept the selection.
The New Password: screen appears and enter new password that user want to
change. Using UP/DOWN buttons to set the password value. After completed
the modification, the confirmation screen will be displayed and then press ENT
to accept the function. To disable the password, press ENT only in the New
Password: column. The existing password will be cleared. No password
checking will occur when entering the main menu from the starting screen. The
RAID subsystem will automatically go back to the initial screen when it does not
receive any command in 5 minutes. Do not use spaces when you enter the
password, if spaces are used, it will lock out the user.
3.7.5.4 JBOD /RAID Mode Configuration
JBOD is an acronym for “Just a Bunch of Disk”. A group of hard disks in a RAID
subsystem are not set up as any type of RAID configuration. All drives are
available to the operating system as an individual disk. JBOD does not provide
data redundancy. User needs to delete the RAID set, when you want to change
the option from the RAID to the JBOD function.
3.7.5.5 RAID Rebuild Priority
The “Raid Rebuild Priority” is a relative indication of how much time the
controller devotes to a rebuild operation. The RAID subsystem allows user to
choose the rebuild priority (Ultra Low, Low, ... High) to balance volume set
access and rebuild tasks appropriately. To set or change the RAID subsystem’s
RAID rebuild priority, press the UP/DOWN buttons to select “RAID Rebuild
Priority” and press ENT to accept the selection. The rebuild priority selection
screen appears and uses the UP/DOWN buttons to set the rebuild value. After
completing the modification, the confirmation screen will be displayed and then
press ENT to accept the function.
3.7.5.6 SATA NCQ Support
The controller supports both SAS and SATA disk drives. The SATA NCQ allows
multiple commands to be outstanding within a drive at the same time. Drives
that support NCQ have an internal queue where outstanding commands can be
dynamically rescheduled or re-ordered, along with the necessary tracking
mechanisms for outstanding and completed portions of the workload. The RAID