IJ51902: STALE DATA MAY BE LEFT ON DISK AFTER THE "MMCHDISK START" COMMAND

APAR status

• Closed as program error.

Error description

• When writing an exising large file (indirect block level is at
  least 2) while one or more disks are down and if metanode failes
  immediately after writing the data,the "mmchdisk start" command
  may not repair the down disk which has stale data, then results
  in stale data left on the disk.
  

Local fix

Problem summary

• When writing an exising large file (indirect block level is at
  least 2) while one or more disks are down and if metanode failes
  immediately after writing the data,the "mmchdisk start" command
  may not repair the down disk which has stale data, then results
  in stale data left on the disk.
  

Problem conclusion

• This problem is fixed in 5.2.1.0
  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 potential data integrity issue
  
  Work around:
  No
  
  Problem trigger:
  disk down and metanode fails
  
  Symptom:
  Unexpected Results/Behavior
  
  Platforms affected:
  ALL Operating System environments
  
  Functional Area affected:
  All Scale Users
  
  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:

Fix information

• Fixed component name

  SPEC SCALE STD

• Fixed component ID

  5737F33AP

Applicable component levels