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x440G2 - Fan error message format changed after EXOS upgrade

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Titlex440G2 - Fan error message format changed after EXOS upgrade
Symptoms
  • Fan error message format changed after EXOS upgrade.
  • Also, switch logs generate Fan Failures RPM out of Range messages.
  • After switch upgrade from EXOS 21.1.1.4 patch1-5 to EXOS 21.1.3.7-patch1-4, different fan format logs generated has mentioned below:
After upgrade:
04/20/2017 08:28:29.00 <Warn:DM.Warning> Error 6.0 for Fan:1:1, Fans back to normal 
04/20/2017 07:56:19.27 <Warn:DM.Warning> Error 6.0 for Fan:1:2, Fans back to normal

Before upgrade:
04/18/2017 15:22:43.53 <Warn:EPM.Upgrade.State> Upgrade status Start upgrade timer
04/18/2017 15:18:41.91 <Warn:DM.Warning> Switch, Code 5: Fan tray 1, fan #1, has failed. RPM (960) is out of operating range which is at or above 1500. (X440G2-48t-10G4, P/N: 800617-00-09, S/N: 1628N-42015, Rev: 9.0)
04/18/2017 04:20:01.01 <Warn:DM.Warning> Switch, Code 5: Fan tray 1, fan #1, has failed. RPM (960) is out of operating range which is at or above 1500. (X440G2-48t-10G4, P/N: 800617-00-09, S/N: 1628N-42015, Rev: 9.0)
  • Fans are operational without any failed error message. 
  • The LED status of fans are GREEN and the fans are physically rotating.
Environment
  • Summit x440G2 (all models)
  • EXOS 21.1.3.7-patch1-4
  • EXOS 21.1.1.4 patch1-5
Cause
Resolution
  • The reported issue is a software bug.  
  • CR# xos0068466 has been created to track this issue.
  • The fix image will be included in EXOS 21.1.4 release which is tentatively scheduled by end of August 2017.
CR Abstract:
   -  "X440G2: Fan Failures RPM out of Range messages"
  • For more information contact GTAC for assistance.

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