
16-30 Troubleshooting startup problems
Disk subsystem check
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
Disk subsystem check
Checking the disk
subsystem
To check the disk subsystem, follow these steps.
Step Action
1 Power down the system.
2 Remove the suspected faulty disk drive.
3 Check that the SCSI cable and power cable between the drive
and the backplane connector are secure. Refer to the tape
drive and disk drive figures in Chapter 7. Refer to Chapter 18,
“Hardware maintenance,” for SCSI cable and power locations.
4 Check the backplane DIP switch settings. Refer to Chapter 8 for
the correct backplane switch settings.
5 Replace the disk.
6 Reboot the system and perform a restore (for non-shadowed
systems) as described in the
System Installation and
Modification Guide
(NTP 555-7001-215) or disk sync (for
shadowed systems).
Comentarios a estos manuales