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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.
Set drive to defunct: controller [number], < device location>
Explanation:
One of the following occurred:
v The user has removed or rearranged the specified physical drive.
v A controller might be configured with unattended mode. Changes to the RAID
configuration are accepted automatically in unattended mode.
v There was an error in communication between the physical drive and the
controller.
Note:
(Clustering and failover environments only) If you move a logical drive to
another controller, these entries might be normal.
Action:
1. Verify that there is power to external enclosures and connections.
2. Verify that cables are properly seated.
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
Chapter 5. Troubleshooting ServeRAID Manager 247