Adaptec SAS RAID Controllers Installationsanleitung Seite 88

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74 Sun StorageTek SAS RAID HBA Installation Guide March 2010
To Modify General HBA Settings With a -Select
Utility
Note Default HBA settings are suitable for most computers. Do not change the
default settings.
Select Controller Configuration from the main -Select utility menu and change
the settings listed in the following table.
Some options may not be available for the HBA.
Note Default settings are shown in bold type.
TABLE C-1 General HBA Settings
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. It is
recommended that you disable write cache on the disk drive.
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 HBA BIOS allows the HBA to act as a bootable
device. Disabling the BIOS allows another HBA to act as a
bootable device.
Automatic Failover When enabled, the HBA 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 HBA 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 HBA is presented
as a bootable device in the BIOS.
Array-based BBS
Support
When enabled in systems that support BBS, the HBA 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.
Note—CDs are not supported by current software.
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