IBM TotalStorage 300 Service Manual page 128

v SCSI Disk Utilities
v Format Disk
118
IBM NAS 300 Service Guide
– Host Adapter SCSI ID
Select this choice to view the SCSI controller ID, normally 7.
– SCSI Parity Checking
Select this choice to view the assigned value of Enabled.
– Host Adapter SCSI Termination
Select this choice to view the assigned value of Automatic.
– 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.
– 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.
Note: The Maximum Sync Transfer Rate represents the transfer rate for Ultra
SCSI devices.
- The transfer rate for Ultra3 SCSI LVD devices is 160.0 MB/s
- The transfer rate for Ultra2 SCSI LVD devices is 80.0 MB/s
- The transfer rate for Fast SCSI devices is 20.0 MB/s
– Advanced Configuration Options
Select this choice to view or change the settings for advanced configuration
options. These options include enabling support for large hard drives and
support for drives with UltraSCSI speeds.
Select this choice to view the SCSI IDs that are assigned to each device or to
format a SCSI device.
To use the utility program, select a drive from the list. Read the screens carefully
before making a selection.
Note: If you press Ctrl+A before the selected drives are ready, an Unexpected
SCSI Command Failure screen might appear. Restart the appliance
engine and watch the SCSISelect messages as each drive starts. After
the drive that you want to view or format starts, press Ctrl+A.
Attention: The Low-Level Format program erases all data and programs.
Select this choice to perform a low-level format on a hard drive. Depending on
the hard drive capacity, the Low-Level Format program could take up to two
hours.
Use the Low-Level Format program:
– When you are installing software that requires a low-level format
– When you get recurring messages from the diagnostic tests directing you to
run the Low-Level Format program on the hard drive
– As a last resort before replacing a failing hard drive
Note: If your server has a PCI RAID adapter installed, refer to the RAID adapter
documentation for instructions for performing low-level formats on hard
drives attached to the adapter.
To start the Low-Level Format program: