Table 7 2U Enclosure Corrective Action For Fault Conditions - Seagate Exos E 2U12 Series Hardware Installation And Maintenance Manual

Take corrective action for 2U enclosures
After you follow the process above and isolate the fault to an area of the 2U enclosure or to a particular module, use the
following chart to determine the type of corrective action you should take.

Table 7 2U enclosure corrective action for fault conditions

Symptom
Ops panel fault LED for drive module faults
Module fault LED is on
and a drive carrier fault
LED is on
Ops panel fault LEDs that identify rear panel area faults
Module fault LED is on
and an input/output
module (IOM) fault LED is
on
Module fault LED is on
and
one or more power
cooling module (PCM)
fault LEDs are on
, ,
Thermal monitoring and control
68 Chapter 8 Hardware installation and configuration issues
Cause Recommended action
A fault condition related
1. Inspect the LEDs on the drive carriers for these conditions:
to the hardware in the
front or rear panel areas
2. Select one of the following actions:
3. Scan the 2U 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 IOM with a command.
A fault condition related
to the IOM hardware in
2. Confirm the redundant IOM properly functions.
the rear panel area
3. Select one of the following actions:
4. If the IOM still fails, and the failure is related to a host port, follow the steps
5. If the IOM still fails, remove the power cord, wait 1 minute, then reseat the IOM.
6. If the IOM still fails, replace it within the specified 8 minutes with a new one.
7. If a newly installed IOM still fails, remove it, inspect connections for bent pins,
A fault condition related 1. Verify AC mains connections to the PCM are live.
to the PCM
2. Confirm the redundant PCM properly functions.
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 drive carrier fault LEDs are off.
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A drive carrier fault LED is on, not flashing.
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Reseat the drive module in its carrier (DDIC).
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If both LEDs are off, verify that the DDIC is fully inserted, the latch is fully
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engaged, and the 2U enclosure is powered on.
If the drive carrier fault LED is on, narrow the fault to the drive module, the
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carrier, a connection, or both.
recommended actions.
carrier as soon as you have a replacement.
If both IOMs have fault conditions, follow shut down instructions and
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power off the 2U enclosure by removing power to both PCMs. Do not
power on until after you successfully replace them both.
If one IOM has a fault, remove power, wait 1 minute, then reset the IOM .
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associated with system application faults below.
reinstall it, then check the event log for errors.
If both PCMs still fail, follow shut down instructions and power off the 2U
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enclosure by removing power to both PCMs. Do not power on until after
you successfully replace them both.
If only one PCM still fails, either power cycle the PCM and wait 1 minute or
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remove the power cord, wait 1 minute, then reseat the power cord.