IJ53426: FILE SYSTEM CONFIGURATION CHANGE COULD BE LOST DURING FILE SYSTEM MANAGER TAKEOVER.

APAR status

• Closed as program error.

Error description

• When a new file system manager takeover after old file system
  manager loses quorum, it is possible for new file system to read
  stripe group descriptor too early which can cause stripe group
  descriptor updates to be lost.
  

Local fix

Problem summary

• When a new file system manager takeover after old file system
  manager loses quorum, it is possible for new file system to read
  
  stripe group descriptor too early which can cause stripe group
  descriptor updates to be lost.
  

Problem conclusion

• This problem is fixed in 5.1.9.8
  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:
  Prevent new file system manager from reading stripe group
  descriptor from disks too early which can lead to stripe group
  descriptor updates to be lost.
  
  Work Around:
  None
  
  Problem trigger:
  File system manager loses quorum while running command that
  updates stripe group descriptor.
  
  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