10-6 UltraEnterprise 6000/5000/4000 Systems Manual—November 1996
10
10.5 Defective Disk Board

The disk board is hot-pluggable.

Figure10-5 DiagnosingDisk Board Problems
INDICATION
System error message or
LED code identifies a
specific board
Board not identified or
intermittent problem
Begin
End
TEST/PROCEDURE
Locate indicated board.
CheckLEDs on board to verify ASR
has deactivated the board.
Set the SCSI IDs of the
replacement drives.
Replace the board or device.
Board is not active until system is
booted.
Check/var/adm/messages
Locate defective SCSI device with
probe-scsi-all(OpenBoot
command).
Check ID jumpers on board
REFERENCE
LED code must be Off-On-Off. See
Table9-2.
See Appendix C, “SCSI Devices.”
See Section 3.3, “Hot-Plug Feature.”
Section C.2,“Disk Board Target IDs.”