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System Management Module problems

Use this information to resolve issues related the to the System Management Module.

Solution does not power on​

Complete the following steps until the problem is resolved:

  1. Make sure the SMM status LED is working normally (see System Management Module (SMM)).

  2. Make sure the power LED status is flashing slowly.

  3. Make sure the XCC status LED is flashing normally.

  4. Check SMM event log to see if XCC fail or not.

  5. Re-plug the node and check item 1 to item 4 again with minimum configuration, if the solution till cannot be powered on.

  6. Swap the node to another slot and power on again.

  7. If the error recurs, replace the system board.

System Management Module status LED is continuously on or off​

Complete the following steps until the problem is resolved:

  1. Remove and reinstall the SMM (see Remove the System Management Module (SMM) and Install the System Management Module (SMM)).

  2. If the problem persists, replace the SMM.

System Management Module ping failure​

Complete the following steps until the problem is solved.

  1. Collect SNMP trap event logs.

  2. Check LEDs to diagnose the SMM status.

    Note
    See System Management Module (SMM) for SMM LEDs details.

  3. If the power LED and the status LED are working normally, re-install the SMM.

  4. Press reset pinhole for over four seconds to reset the SMM by default setting; then, enable the SMM network via XCC.

  5. Replace the SMM.

Fans failed while the System Management Module is working normally​

Complete the following steps until the problem is solved.

  1. Check SMM and SNMP event logs to see if there is any fan fault issue.

  2. If there is a fan fault issue, replace the failing fan.

  3. Use the following command to disable automatic fan control.

    ipmitool -I lanplus -H [ip] -U USERID -P PASSW0RD raw 0x32 0xc6 0x00

  4. Use the following command to set the fan speed to full speed.

    ipmitool -I lanplus -H [ip] -U USERID -P PASSW0RD raw 0x32 0xc4 0x64

  5. Go to SMM website or use the following command to check fan speed settings.

    ipmitool -I lanplus -H [ip] -U USERID -P PASSW0RD sensor

    If there is any fan does not meet full speed, replace the failing fan.

  6. Use the following command to enable automatic fan control.

    ipmitool -I lanplus -H [ip] -U USERID -P PASSW0RD raw 0x32 0xc6 0x01

  7. If the error recurs, check FFDC logs for more details.

    Note
    To collect FFDC logs, see Collecting event logs for more details.

Setting the D2 enclosure serial number for the System Management Module​

Use the following command to change the serial number:

ipmitool -I lanplus -H [ip] -U USERID -P PASSW0RD raw 0x32 0xAF 0x05 0x01 [sn]

An example to set the serial number to “5151515151” would be:

ipmitool -I lanplus -H 192.168.80.125 -U USERID -P PASSW0RD raw 0x32 0xAF 0x05 0x01 0x35 0x31 0x35 0x31 0x35 0x31 0x35 0x31 0x35 0x31

Note
Ensure that SMM firmware is v1.02 [TESM07D] or higher, with which enclosure serial number can be changed with IPMI command.