IJ46323: SOCKET LEAK ON CCR QUORUM NODES MAY RESULT IN ABNORMAL DAEMON TERMINATION

APAR status

• Closed as program error.

Error description

• Systems running Scale v 5.1.5.x, 5.1.6.x, and 5.1.7.0 may
  experience an unexpected termination of mmfsd or mmsdrserv. This
   will be seen in log entries, etc. It may be reflected in a
  runtime Assert messages on affected quorum nodes involving an
  invalid socket.
  

Local fix

Problem summary

• Systems running Scale v 5.1.5.x, 5.1.6.x, and 5.1.7.0 may
  experience an unexpected termination of mmfsd or mmsdrserv. This
   will be seen in log entries, etc. It may be reflected in a
  runtime Assert messages on affected quorum nodes involving an
  invalid socket.
  

Problem conclusion

• This problem is fixed in 5.1.7.1
  To see all Spectrum Scale APARs and their respective
  Fix solutions refer to page:
  https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_
  apars.html
  
  Benefits of the solution:
  The daemon failure is resolved.
  
  Work Around:
  None
  
  Problem trigger:
  
  Systems running in clusters at the 5.1.5 or later level,
  especially (but not limited to) on error-prone network
  connections experience a socket leak that eventually triggers
  the subject assertion.
  
  Symptom:
  Abend of mmsdrserv or mmfsd components, possible failure of CCR
  operations
  
  Platforms affected:
  ALL Operating System environments
  
  Functional Area affected:
  CCR
  
  Customer Impact:
  High Importance
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  SPEC SCALE STD

• Fixed component ID

  5737F33AP

Applicable component levels