IJ26349: SNAPSHOT ASSERT EXP(OKTOINCREASEINDLEVEL) AT METADATA.C

APAR status

• Closed as program error.

Error description

• For a DMAPI enabled file system, migrating files
  into an external storage pool may cause problems with
  snapshot files.
  In some cases it might assert "okToIncreaseIndLevel".
  In another case when DMAPI is not enabled and
  adding extended attributes to a sparse file
  may trigger the same assert.
  

Local fix

Problem summary

• For a DMAPI enabled file system, migrating files
  into an external storage pool may cause problems with
  snapshot files.
  In some cases it might assert "okToIncreaseIndLevel".
  In another case when DMAPI is not enabled and
  adding extended attributes to a sparse file
  may trigger the same assert.
  

Problem conclusion

• Benefits of the solution:
  Avoid the snapshot
  issue due to hitting the assert
  "okToIncreaseIndLevel".
  
  Work around: N/A
  
  Problem trigger:
  Using snapshots with a DMAPI enabled file system
  and migrating files to external storage pools.
  
  Symptom:
  
  Daemon crash with assert "okToIncreaseIndLevel".
  
  Platforms affected: All Operating Systems
  
  Functional Area affected: Snapshot plus DMAPI
  
  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:

  IJ26908

Fix information

• Fixed component name

  SPEC SCALE STD

• Fixed component ID

  5737F33AP

Applicable component levels