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Appendix C: Using the Adaptec RAID Controller Utility
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96
General Controller Settings
Note:
Default settings are shown in
bold
type.
Option
Description
Drive’s Write
Cache
When enabled, write cache is enabled on the disk drive.
When disabled, write cache is not used on the disk drive.
Default is the
disk drive’s setting
.
Caution
—When write cache is enabled, there is a slight
possibility of data loss or corruption during a power
failure.
Runtime BIOS
When
enabled
, the controller BIOS allows the controller to
act as a bootable device. Disabling the BIOS allows
another controller to act as a bootable device.
Automatic
Failover
When
enabled
, the controller automatically rebuilds an
array when a failed disk drive is replaced. When disabled,
the array must be rebuilt manually.
Array
Background
Consistency
Check
When enabled, the controller constantly verifies a
redundant array. Note that there may be a significant
performance reduction. Default is
disabled
.
BBS Support
When
enabled
in systems that support BBS, the RAID
controller is presented as a bootable device in the BIOS.
Array-based
BBS Support
When enabled in systems that support BBS, the controller
presents attached bootable devices up to the BIOS for boot
device selection. This is relevant for logical arrays. Default
is
disabled
.
Physical Drives
Display During
POST
When enabled, connected disk drives are displayed during
system Power On Self Test (POST). Displaying the disk
drives adds a few seconds to the overall POST time.
Default is
disabled
.
CD-ROM Boot
Support
When
enabled
, the system can be booted from a bootable
CD. (This setting is not available on all RAID controller
models.)
Removable
Media Devices
Boot Support
When
enabled
, removable media devices, such as CD
drives, are supported. (This setting is not available on all
RAID controller models.)
Alarm Control
When enabled, the alarm sounds. Default is
enabled
.