Sun Enterprise 6500/5500/4500 Systems Reference Manual

Defective Disk Board

The disk board is hot-pluggable.

Table 10-5 Disk Board Problems




System error message or LED code identifies a specific board 


Locate indicated board.  

LED code must be Off-On-Off. See Table 9-2.

Check LEDs on board to verify ASR has deactivated the board. 




Set the SCSI IDs of the replacement drives.  


See Appendix C, SCSI Devices.



Replace the board or device. 


See "Hot-Plug Feature".


Note: board is not active until system is booted.  



Board not identified or intermittent problem 

Check /var/adm/messages



Locate defective SCSI device with probe-scsi-all (OpenBoot command).




Check ID jumpers on board. 


See "Disk Board Target IDs".