IJ48911: LOGASSERTFAILED: TMPFDA == ASSIGNED2[I]

APAR status

• Closed as program error.

Error description

• mmfsd logAssert can occur during offline mmfsck and
  mmchdisk
  
  2023-10-14_09:14:29.675+0200: [X] logAssertFailed:
  oldDA1Found[i].compAddr(synched1[i])
  2023-10-14_09:14:29.675+0200: [X] logAssertFailed: tmpFda
  == assigned2[i]
  2023-10-14_09:14:29.675+0200: [X] return code 0, reason
  code 0, log record tag 0
  
  Reported in:
  Storage Scale 5.1.8.1
  

Local fix

• mmchconfig disableAssert='metadata.C:13124-13224' -N all
  -I
  

Problem summary

• The assert going off on "logAssertFailed:
  oldDA1Found[i].compAddr(synched1[I])", then result in mmfsd
  daemon crashed and finally could cause file system can't be
  mounted on any node.
  

Problem conclusion

• This problem is fixed in 5.1.2.14
  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:
  Fix the code to avoid the assert going off, and thus avoid
  daemon crash and file system access issue.
  
  Work around:
  None
  
  Problem trigger:
  Run fsck to fix the duplicated disk address on compressed
  files.
  
  Symptom:
  Abend/Crash
  
  Platforms affected:
  All Operating Systems
  
  Functional Area affected:
  Compression
  
  Customer Impact:
  Critical
  

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:

  IJ49135

Fix information

• Fixed component name

  SPEC SCALE DME

• Fixed component ID

  5737F34AP

Applicable component levels