HP LH4r HP NetRAID-4M Installation Guide - Page 92

Using the SCSI Configuration Utility, SCSI Channel Interface Options

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Hewlett-Packard NetRAID-4M Controller Installation Guide s Runtime BIOS - This option enables or disables the HP NetRAID-4M runtime BIOS. The BIOS must be enabled if you want to boot from a SCSI hard disk drive connected to the HP NetRAID-4M. The default is Enabled. s Automatic Rebuild - If Enabled, this option allows the user to replace a failed drive in the same enclosure slot in a RAID-5, RAID 0/1, or Mirror set. The BIOS then recognizes that the failed drive has been replaced, initializes the new disk, and immediately initiates a rebuild. The default is Enabled. Note that this option is only supported for disks in SAF-TE enclosures or backplanes. s Container Background Consistency check - If Enabled, this option forces the controller to check all disks in a container to see if the disks can return data from the blocks. On a fully redundant RAID-5 set with no dead partitions, the controller will repair any data that cannot be read. The default is Enabled. s NVRAM State - This option displays the current status of the NVRAM cache. This option is display only and cannot be set by the user Using the SCSI Configuration Utility To access the SCSI Configuration Utility, select the SCSI Configuration option from the menu that appears after starting SCSISelect. Select the channel you want to configure and press Enter. SCSI Channel Interface Options The following settings are the SCSISelect settings most likely to require any modification. s Controller SCSI Channel ID - This option sets the HP NetRAID-4M's SCSI ID. We recommend that you leave the HP NetRAID-4M set to SCSI ID 7, which gives the HP NetRAID-4M the highest priority on the SCSI Channel. s SCSI Parity Checking -This option determines whether the HP NetRAID-4M verifies the accuracy of data transfer on the SCSI channel. You should disable SCSI Parity Checking on the HP NetRAID-4M and all SCSI devices if any SCSI device supported by the HP NetRAID-4M does not support SCSI parity; otherwise, leave it enabled. Most SCSI devices do A-4

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A-4
Hewlett-Packard NetRAID-4M Controller Installation Guide
■
Runtime BIOS
—
This option enables or disables the
HP NetRAID-4M runtime BIOS. The BIOS must be enabled if
you want to boot from a SCSI hard disk drive connected to the
HP NetRAID-4M. The default is
Enabled
.
■
Automatic Rebuild
—
If
Enabled
, this option allows the user to
replace a failed drive in the same enclosure slot in a RAID-5,
RAID 0/1, or Mirror set. The BIOS then recognizes that the
failed drive has been replaced, initializes the new disk, and
immediately initiates a rebuild. The default is
Enabled
. Note
that this option is only supported for disks in SAF-TE
enclosures or backplanes.
■
Container Background
Consistency check
—
If
Enabled
, this
option forces the controller to check all disks in a container to
see if the disks can return data from the blocks. On a fully
redundant RAID-5 set with no dead partitions, the controller
will repair any data that cannot be read. The default is
Enabled
.
■
NVRAM State
—
This option displays the current status of the
NVRAM cache. This option is display only and
cannot
be set by
the user
Using the SCSI Configuration Utility
To access the SCSI Configuration Utility, select the
SCSI
Configuration
option from the menu that appears after starting
SCSI
Select
. Select the channel you want to configure and press
Enter
.
SCSI Channel Interface Options
The following settings are the SCSI
Select
settings most likely to
require any modification.
■
Controller SCSI Channel ID
—
This option sets the
HP NetRAID-4M
’
s SCSI ID. We recommend that you leave the
HP NetRAID-4M set to SCSI ID 7, which gives the
HP NetRAID-4M the highest priority on the SCSI Channel.
■
SCSI Parity Checking
—
This option determines whether the
HP NetRAID-4M verifies the accuracy of data transfer on the
SCSI channel. You should disable SCSI Parity Checking on the
HP NetRAID-4M and all SCSI devices if any SCSI device
supported by the HP NetRAID-4M does not support SCSI
parity; otherwise, leave it enabled. Most SCSI devices do