IJ46274: THE TSAPOLICY COULD HANG DURING DIRECTORY SCANNING

APAR status

• Closed as program error.

Error description

• The tsapolicy adds each client process (agent) information to
  agentVctr to keep track activities.
  If agent is retrieved from agentVctr While a helper is being
  added, it could get vogus agent address and it could result
  tsapolicy hang.  Adding lock while retrieving agent info can
  avoid this problem.
  

Local fix

Problem summary

• The tsapolicy adds each client process (agent) information to
  agentVctr to keep track activities. If agent is retrieved from
  agentVctr While a helper is being added, it could get vogus
  agent address and it could result tsapolicy hang.  Adding lock
  while retrieving agent info can avoid this problem.
  

Problem conclusion

• This problem is fixed in 5.1.2.11
  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:
  mmapplypolicy can be completed without hang during directory
  scan.
  
  Work around:
  None
  
  Problem trigger:
  This problem could occur by mmapplypolicy with large number of
  client nodes (-N option)
  
  Symptom:
  Component Level Outage
  
  Platforms affected:
  All platforms that support mmapplypolicy
  
  Functional Area affected:
  mmapplypolicy
  
  Customer Impact:
  High Importance
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

  IJ46205

• 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