IBM 847661U Hardware Maintenance Manual - Page 58

ASCSI disk utilities A, Boot Device Options

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Boot Device Options Select this choice to configure startable device parameters. Before you can make updates, you must know the ID of the device whose parameters you want to configure. The default startup (boot) SCSI ID is 0 for an internal SCSI hard disk drive in Channel A. SCSI Device Configuration Select this choice to configure SCSI device parameters. Before you can make updates, you must know the ID of the device whose parameters you want to configure. Notes 1. For SCSI tape drives, set Send Start Unit Command to Off for that SCSI ID. This ensures proper server operation. 2. When the Maximum Sync Transfer Rate is set to 40.0, this value represents the transfer rate for UltraSCSI devices. When this value is set to 20.0, it represents the transfer rate for Fast SCSI devices. Advanced Configuration Options Select this choice to view or change the settings for advanced configuration options. These options include enabling support for large hard disk drives and support for drives with UltraSCSI speed. To reset the SCSI controller defaults, press F6; then, follow the instructions on the screen. SCSI disk utilities : To see the IDs that are assigned to each SCSI device or to format a SCSI device, select SCSI Disk Utilities from the SCSISelect Utility program menu. To use the utility program, select a drive from the list. Read the screens carefully before you make a selection. Note If the following screen appears, you might have pressed Ctrl+A before the selected drives were ready. Restart the server, and watch the SCSISelect messages as each drive spins up. After the drive that you want to view or format spins up, press Ctrl+A. 50 Netfinity Server HMM

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±
Boot Device Options
Select this choice to configure startable device
parameters.
Before you can make updates, you must
know the ID of the device whose parameters you
want to configure.
The default startup (boot) SCSI ID is 0 for an internal
SCSI hard disk drive in Channel A.
±
SCSI Device Configuration
Select this choice to configure SCSI device
parameters.
Before you can make updates, you must
know the ID of the device whose parameters you
want to configure.
Notes
1.
For SCSI tape drives, set
Send Start Unit
Command
to Off for that SCSI ID.
This
ensures proper server operation.
2.
When the
Maximum Sync Transfer Rate
is
set to 40.0, this value represents the
transfer rate for UltraSCSI devices.
When
this value is set to 20.0, it represents the
transfer rate for Fast SCSI devices.
±
Advanced Configuration Options
Select this choice to view or change the settings for
advanced configuration options.
These options
include enabling support for large hard disk drives
and support for drives with UltraSCSI speed.
To reset the SCSI controller defaults, press
F6
; then,
follow the instructions on the screen.
SCSI disk utilities
:
To see the IDs that are assigned to each SCSI device
or to format a SCSI device, select
SCSI Disk Utilities
from
the SCSISelect Utility program menu.
To use the utility program, select a drive from the list.
Read the screens carefully before you make a selection.
Note
If the following screen appears, you might have
pressed
Ctrl
+
A
before the selected drives were ready.
Restart the server, and watch the SCSISelect
messages as each drive spins up.
After the drive that
you want to view or format spins up, press
Ctrl
+
A
.
50
Netfinity Server HMM