Adaptec 2820SA User Guide - Page 79

Modifying Your Controller’s Configuration, General Controller Settings, Controller Configuration

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Appendix C: Using the Adaptec RAID Controller Utility ● 79 Modifying Your Controller's Configuration Note: Default controller settings are suitable for most computers. Adaptec recommends that you do not change the default setting. To modify your controller's settings, select Controller Configuration from the main -Select utility menu. The table on page 79 lists controller configuration options. Some options may not be available for your controller. Additional, controller-specific options are also available: ● For SAS controller-specific settings, see page 80. ● For SATA controller-specific settings, see page 80. ● For SCSI controller-specific settings, see page 81. General Controller Settings Note: Default settings are shown in bold type. Option Drive's Write Cache Runtime BIOS Automatic Failover Array Background Consistency Check BBS Support Array-based BBS Support Physical Drives Display During POST CD-ROM Boot Support Removable Media Devices Boot Support Alarm Control Description 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. 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. When enabled, the controller automatically rebuilds an array when a failed disk drive is replaced. When disabled, the array must be rebuilt manually. When enabled, the controller constantly verifies a redundant array. Note that there may be a significant performance reduction. Default is disabled. When enabled in systems that support BBS, the RAID controller is presented as a bootable device in the BIOS. 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. 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. When enabled, the system can be booted from a bootable CD. (This setting is not available on all RAID controller models.) Note-CD-ROMs are not supported by current software. When enabled, removable media devices, such as CD drives, are supported. (This setting is not available on all RAID controller models.) When enabled, the alarm sounds. Default is enabled.

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Appendix C: Using the Adaptec RAID Controller Utility
●
79
Modifying Your Controller’s Configuration
Note:
Default controller settings are suitable for most computers. Adaptec recommends that
you
do not
change the default setting.
To modify your controller’s settings, select
Controller Configuration
from the main
-Select
utility menu.
The table on
page 79
lists controller configuration options. Some options may not be available
for your controller. Additional, controller-specific options are also available:
●
For SAS controller-specific settings, see
page 80
.
●
For SATA controller-specific settings, see
page 80
.
●
For SCSI controller-specific settings, see
page 81
.
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.)
Note
—CD-ROMs are not supported by current software.
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
.