Take Corrective Action For 2U Enclosures; Table 15 2U Enclosure Corrective Action For Fault Conditions - Seagate Exos X 4006 Series Hardware Installation And Maintenance Manual

4. For still unaddressed issues, proceed to the next section and take the recommended corrective action, based on the
symptom. This may mean obtaining a replacement FRU of the same type before replacing the faulty module.

Take corrective action for 2U enclosures

After you follow the process above and isolate the fault to an area of the storage enclosure or to a particular module, use the
following chart to determine the type of corrective action you should take.

Table 15 2U enclosure corrective action for fault conditions

Symptom
Ops panel fault LED for drive module faults
Module fault LED is on
and a carrier fault LED is
on
Ops panel fault LEDs that identify rear panel area faults
Module fault LED is on
and a controller module
(CM) fault LED is on
,
Module fault LED is on
and
one or more power
cooling module (PCM)
fault LEDs are on
, ,
89 Chapter 9 Hardware installation and configuration issues
Cause Recommended action
A fault condition related
1. Inspect the LEDs on the carriers for these conditions:
to the hardware in the
front or rear panel areas
2. Select one of the following actions:
3. Scan the enclosure event log for specific fault information and follow
4. If the above actions do not resolve the fault, replace the faulty drive module or
1. Restart the CM with a CLI or WBI command.
A fault condition related
to the CM hardware in the
2. Confirm the redundant CM is properly functioning.
rear panel area
3. Select one of the following actions:
4. If the CM is still failing, and the failure is related to a CM host port, follow the
5. If the CM is still failing, remove the power cord, wait 1 minute, then reseat the
6. If the CM is still failing, replace it within the specified 8 minutes with a new one.
7. If installing a new CM that is still failing, remove it, inspect connections for
A fault condition related
1. Verify AC mains connections to the PCM are live.
to the PCM
2. Confirm the redundant PCM is properly functioning.
3. Select one of the following actions:
4. If the PCM still fails, remove it, wait 1 minute, then reseat it.
5. If the PCM still fails, replace it within the specified 10 minutes.
6. If the power fault condition persists, contact your vendor for support.
Both carrier LEDs are off.
l
A fault amber LED is on, not flashing.
l
Reseat the drive module in its carrier (DDIC).
l
If both LEDs are off, verify that the DDIC is fully inserted, the latch is fully
l
engaged, and the storage enclosure is powered on.
If the fault LED is on, narrow the fault to the drive module, the carrier, a
l
connection, or both.
recommended actions.
carrier as soon as you have a replacement.
If both CMs are failing, follow shut down instructions and power off the
l
system enclosure by removing power to both PCMs. Do not power on until
after you successfully replace them both.
If one CM is failing, remove power, wait 1 minute, then reset the CM.
l
steps associated with system application faults below.
CM.
bent pins, reinstall it, then check the event log for errors.
If both PCMs are failing, follow shut down instructions and power off the
l
system enclosure by removing power to both PCMs. Do not power on until
after you successfully replace them both.
If only one PCM is failing, either power cycle the PCM and wait 1 minute or
l
remove the power cord, wait 1 minute, then reseat the power cord.