IBM Version 8.30 Computer Hardware User Manual


 
3. Check for damaged, bent, or pushed pins on the following:
v Termination (for non-backplane systems)
v Backplanes
v Physical drives
v Controller
If
you cannot identify a connection problem, the replacement order for parts is the
following:
1. Termination (for non-backplane systems)
2. Cables
3. Physical drives
4. Backplanes
5. Controller
Before
replacing a physical drive or controller, verify that it is updated with the
latest firmware (microcode) and that they still fail.
Note: If multiple physical drives are marked defunct within the same time period,
check the cables and backplanes.
This event log entry is informational.
Explanation:
None required.
Action:
None required.
Chapter 5. Troubleshooting ServeRAID Manager 251