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False SwitchPowerNotPresent_Alert and SwitchPowerUnknown_Alert reported by CSHM

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Category:
fas-systems
Specialty:
CORE
Last Updated:

Applies to

  • ONTAP 9
  • Cluster Network Switch
  • N9K-C9336C-FX2

Issue

  • CSHM reports SwitchPowerNotPresent_Alert and SwitchPowerUnknown_Alert for cluster network switch
  • PSU status is normal from switch log

`show environment`

Fan:
---------------------------------------------------------------------------
Fan             Model                Hw     Direction       Status
---------------------------------------------------------------------------
Fan1(sys_fan1)  NXA-FAN-65CFM-PE     --     back-to-front   Ok
Fan2(sys_fan2)  NXA-FAN-65CFM-PE     --     back-to-front   Ok
Fan3(sys_fan3)  NXA-FAN-65CFM-PE     --     back-to-front   Ok
Fan_in_PS1      --                   --     back-to-front   Ok
Fan_in_PS2      --                   --     back-to-front   Ok
Fan Zone Speed: Zone 1: 0xb3
Fan Air Filter : NotSupported

Power Supply:
Voltage: 12 Volts
Power                      Actual             Actual        Total
Supply    Model            Output             Input        Capacity     Status
                           (Watts )           (Watts )     (Watts )
-------  ----------  ---------------  ------  ----------  --------------------
1        NXA-PAC-1100W-PE2     146 W              166 W      1100 W      Ok
2        NXA-PAC-1100W-PE2     166 W              186 W      1100 W      Ok

  • These alerts automatically clear themselves a couple of minutes later
Example:
 
Thu May 04 18:41:52 [cluster: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerNotPresent_Alert , Alerting Resource = cluster_switch(xxxxxxxxxxx)/PowerSupply-1 raised by monitor ethernet-switch
Thu May 04 18:42:09 [cluster: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process cshm: SwitchPowerNotPresent_Alert[cluster_switch(xxxxxxxxxxx)/PowerSupply-1].
Thu May 04 18:55:26 [cluster: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerUnknown_Alert , Alerting Resource = cluster_switch(xxxxxxxxxxx)/PowerSupply-1 raised by monitor ethernet-switch
Thu May 04 18:57:09 [cluster: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process cshm: SwitchPowerUnknown_Alert[cluster_switch(xxxxxxxxxxx)/PowerSupply-1].
 
Thu May 04 19:02:28 [cluster: cshmd: hm.alert.cleared:notice]: Alert Id = SwitchPowerNotPresent_Alert , Alerting Resource = cluster_switch(xxxxxxxxxxx)/PowerSupply-1 cleared by monitor ethernet-switch
Thu May 04 19:02:28 [cluster: cshmd: hm.alert.cleared:notice]: Alert Id = SwitchPowerUnknown_Alert , Alerting Resource = cluster_switch(xxxxxxxxxxx)/PowerSupply-1 cleared by monitor ethernet-switch
 

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