IJ46273: AFM DR PRIMARY NODE FAIL TO RESTART AND GOES INTO A DROP STATE.

APAR status

• Closed as program error.

Error description

• Abstract
  AFM/ AFM-DR recovery hitting error 52.
  
  Error description:
  In an AFM/ AFM-DR set up, a customer encountered a
  problem
  that recovery cannot be finished because it kept hitting
  the error 52 (521) during tspcachescan. This can be seen
  in the GPFS logs.
  
  In the Spectrum Scale log file one can see the following
  kind of error repeatedly.
  
  AFM: Recovery on file system <fs name> fileset <fileset
  name>  failed with error 52. Recovery will be retried on
  next access after recovery retry interval (120 seconds)
  or manually resolve known problems and recover the
  fileset.
  
  
  OS and Spectrum Scale release:
  RHEL8.5, Spectrum Scale v5.1.2.7
  
  Local fix:
  To workaround it one can do changeSecondary or contact
  with the Spectrum Scale support.
  

Local fix

Problem summary

• There were unknown NFS errors hit during recovery and there were
   no bypass around these to get recovery to go through. 
  

Problem conclusion

• This problem is fixed in 5.1.2.11
  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:
  In case of future unknown errors that come with no option to
  bypass - this provides an option to bypass by manually editing
  recovery related bash scripts.
  
  Work around:
  None
  
  Problem trigger:
  Recovery unable to proceed upon hitting unknown persistent AFM
  Recovery errors.
  
  Symptom:
  Unexpected Behavior
  
  Platforms affected:
  All Linux OS Environments (AFM Gateway nodes)
  
  Functional Area affected:
  AFM
  
  Customer Impact:
  High Importance
  

Temporary fix

Comments

APAR Information

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

  IJ45690

• 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