Set drive to defunct: controller [number], <device location>


One of the following occurred:


  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:

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.

Glossary | Contents