IJ50061: MMFSCKX ABORTED WITH ERROR 22 IN SAVEDAREGIONVEC AT FSCKX_SHADOW

APAR status

• Closed as program error.

Error description

• Online mmfsckx cmd hit a code assert and aborted:
  
  [E] Command: mmfsckx for research on node aborted with
  error 22 in saveDARegionVec at fsckx_shadowmap.C:39
  reason:
   Assert failed "nEnqueuedNodes > 1"
  
  Issue found on version:
  GPFS 5.1.9.1
  OS 4.18.0-477.27.1.el8_8.x86_64
  

Local fix

• dev will provide more details when fix available
  

Problem summary

• When mmfsckx is run on a file system such that it requires
  multiple scan passes to complete then mmfsckx can abort with
  reason "Assert failed "nEnqueuedNodes > 1"."
  

Problem conclusion

• This problem is fixed in 5.1.9.3
  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:
  mmfsckx will not abort
  
  Work Around:
  Increase the pagepool to make sure mmfsckx can run in single
  scan pass.
  
  Problem trigger:
  When mmfsckx is run on a file system such that it requires
  multiple inode scan passes to complete
  
  Symptom:
  Command aborts
  
  Platforms affected:
  ALL Operating System environments
  
  Functional Area affected:
  mmfsckx
  
  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