Ultra Start 450 SERIES Manuel d'instructions télécharger pdf (Page 419)

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Chapter 8 Diagnostics and Troubleshooting 399

OBP printenv Command

Use the OBP printenv command to display the system configuration variables

stored in the system NVRAM. The display includes the current values for these

variables, as well as the default values.

OBP probe-scsi and probe-scsi-all Commands

To diagnose problems with the SCSI subsystem, you can use the OBP probe-scsi

and probe-scsi-all commands. Both commands require that you halt the system.

Note – When it is not practical to halt the system, you can use SunVTS as an

alternate method of testing the SCSI interfaces. See“About Diagnostic Tools” on

page 370 for more information.

The probe-scsi command transmits an inquiry command to all SCSI devices

connected to the main logic board SCSI interfaces. This includes any tape or

CD-ROM drive in the removable media assembly (RMA), any disk drive connected

to the 4-slot backplane, and any device connected to the external SCSI connector on

the system rear panel. If a SCSI device is connected and active, its target address,

unit number, device type, and manufacturer name is displayed.

The probe-scsi-all command transmits an inquiry command to all SCSI devices

connected to the system SCSI host adapters. The first identifier listed in the display

is the SCSI host adapter address in the system device tree followed by the SCSI

device identification data.

The first example that follows shows a probe-scsi output message. The second

example shows a probe-scsi-all output message.

1 2 ... 414 415 416 417 418 419 420 421 422 423 424 ... 489 490

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Ultra Start 450 SERIES Manuel d'instructions Page 419

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