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ONTAP system health and environment reporting degraded, not-available and failed PSU

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Applies to

  • AFF/FAS platforms
  • Power Supplies

Issue

  • ONTAP CLI reports:

::> system health subsystem show
    Environment       degraded

::> system node environment sensors show
    Node Sensor            State            Value/Units Crit-Low    Warn-Low     Warn-Hi     Crit-Hi
         PSU1 VIN          not-available    - mV        90480        93600       261040      263120
         PSU1 VOUT         not-available    - mV        11336        11440       12948       13156
         PSU1 Curr IIN     not-available    - mA        0            -           9984        12012
         PSU1 IOUT         not-available    - mA        0            -           130000      132000
         PSU1 PIN          not-available    - W         7            14          1611        1796
         PSU1 POUT         not-available    - W         7            14          1611        1796
         PSU1 Inlet        failed           - C         0            -           58          63
         PSU1 Hot          failed           - C         0            -           100         105
         PSU1 FB Hot       failed           - C         0            -           100         105
         PSU1 FAN          not-available    - RPM       800          1200        -           -
                                                                             

  • The EMS logs continuously report following events:

Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 VIN is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 VOUT is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 Curr IIN is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 IOUT is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 PIN is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 POUT is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 Inlet is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 Hot is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 FB Hot is Unreadable
Thu Sep 10 18:31:27 +0200 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 FAN is Unreadable
Thu Sep 10 18:35:56 +0200 [Node-01: env_mgr: monitor.temp.unreadable:error]: The controller temperature (PSU1 Inlet) is not readable.
Thu Sep 10 18:35:56 +0200 [Node-01: env_mgr: monitor.temp.unreadable:error]: The controller temperature (PSU1 Hot) is not readable.
Thu Sep 10 18:35:56 +0200 [Node-01: env_mgr: monitor.temp.unreadable:error]: The controller temperature (PSU1 FB Hot) is not readable.

or

hu Mar 06 07:45:07 +0100 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 In Volt is Unreadable
Thu Mar 06 07:45:17 +0100 [Node-01: kernel: csm.createSessionFailed:debug]: Cluster Session Manager (CSM) failed to create session (req=9d9cf0af-0eb9-11eb-9c62-000d3abfd6ad, rsp=localhost:dblade, uniquifier=0e062fa6d8573e93) with transport type CT, session tag CPEER, record state STARTING, CSM error CSM_CONNABORTED, low-level error , socket error 0, and TLS error 2113929222.
Thu Mar 06 07:45:17 +0100 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 In Curr is Unreadable
Thu Mar 06 07:45:17 +0100 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 12V Out Volt is Unreadable
Thu Mar 06 07:45:17 +0100 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 12V Out Curr is Unreadable
Thu Mar 06 07:45:28 +0100 [Node-01: env_mgr: monitor.chassisPowerSupply.off:notice]: Chassis power supply 2 off.
Thu Mar 06 07:45:28 +0100 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 In Pwr is Unreadable
Thu Mar 06 07:45:28 +0100 [Node-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 Out Pwr is Unreadable

 

 

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