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Both nodes report chassis temperature sensors invalid

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hw
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Applies to

  • AFF A700 
  • FAS9000
    • IO modules seen with this pattern include:
      • X91135A 
      • X91122A 
      • X91146A

    Issue

    • Both nodes report the following sensors invalid which can be seen in the system sensors show command output from the Service Processor:
    Chassis is Under Temp    invalid            --
    Chassis is Over Temp     invalid            --
    Thermal Shutdown         invalid            --
    Temp Average Low         invalid            --
    Temp Average High        invalid            --
    • The following HBA is installed in the affected slots:

    sysconfig: slot 3 OK: X91135A: HBA,4-Port FCP Target 32Gb PCIe

    slot 3: Fibre Channel Target Host Adapter 3a
    (Emulex LPe32000 (LPe32004) rev. 12, <ONLINE>)

    • IO cards with the affected HBA installed will report invalid temperature readings although the card is present and healthy as indiated by the "FRU_AVAIL" output:
    IO3 Aggr Temp            invalid            --
    IO3 Avg Temp             invalid            --
    FRU IO3                  invalid            --

    IO3 INFO                                FRU_AVAIL
    IO3_Status       | 0x0        | discrete   | Ready      | na        | na        | na        | na
    IO3 Present                             PRESENT
    IO3 Ready                                READY
    IO3 Status               normal            57          --          --          --          --

    IO11 Aggr Temp           invalid            --
    IO11 Avg Temp            invalid            --
    FRU IO11                 invalid            --

    IO11 INFO                               FRU_AVAIL
    IO11_Status      | 0x0        | discrete   | Ready      | na        | na        | na        | na
    IO11 Present                            PRESENT
    IO11 Ready                               READY
    IO11 Status              normal            57          --          --          --          --

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