IJ33418: SETXATTR TO NON-GPFS HOME HITS LOCAL ERROR 22

APAR status

• Closed as program error.

Error description

• When the fileset moves to unmounted or disconnected
  states, there is
  a window where SETXATTR operations from SW cache
  can get queued to a non-GPFS home site and remain
  queued for ever.
  

Local fix

• 1. Drop the SetXattr operation that gets queued
      using the "mmfsadm afm msgdrop" command.
  2. (or) ensure that fileset is always active/dirty
      before performing SETXATTR operations at the
      SW/IW cache site.
  

Problem summary

• When the fileset moves to unmounted or disconnected
  states, there is
  a window where SETXATTR operations from SW cache
  can get queued to a non-GPFS home site and remain
  queued for ever.
  

Problem conclusion

• This problem is fixed in 5.1.1  PTF 2
  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:
  For customers running SW or IW  to
  a non-GPFS home with SetXAttr operations being
  performed on the cache, this solution ensures
  that such queue clogging can never happen.
  
  Work around:
  1. Drop the SetXattr operation that gets queued
      using the "mmfsadm afm msgdrop" command.
  2. (or) ensure that fileset is always active/dirty
      before performing SETXATTR operations at the
      SW/IW cache site.
  
  Problem trigger:
  Fileset moving to unmounted or disconnected
  state and running  SETXATTR operations
  from SW cache
  
  Symptom:
  Unexpected Behavior.
  
  Platforms affected:
  ALL Linux OS environments
   (Acting as AFM Gateway nodes).
  
  Functional Area affected:
  AFM
  
  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