PH68352: ABEND S0C4 OR JOB HANG IN HPU 6.1 WHEN PERFORMING MORE THAN ONE UNLOAD WITH AT QUIESCE IN THE SAME STEP

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• An HPU 6.1 job will not complete successfully when AT QUIESCE is
  specified for more than one UNLOAD TABLESPACE statement in the
  same step.
  
  
  One of the following symptoms will be observed depending on
  whether zIIP processing is enabled or not:
  -If zIIP processing is not enabled, the job will terminate with
   an ABEND S0C4
  -If zIIP processing is enabled, the job will hang without any
   CPU consumption
  
  Both symptoms will be observed at the start of the second
  unload.
  

Local fix

• Split the unloads into distinct EXEC steps
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Db2 High Performance Unload for     *
  *                 z/OS                                         *
  ****************************************************************
  * PROBLEM DESCRIPTION: An HPU 6.1 job will not complete        *
  *                      successfully when AT QUIESCE is         *
  *                      specified fore more than one UNLOAD     *
  *                      TABLESPACE statement in the same step.  *
  *                      One of the following symptoms will be   *
  *                      observed depending on whether zIIP      *
  *                      processing is enabled or not:           *
  *                      -If zIIP processing is not enable, the  *
  *                       job will terminate with an ABEND S0C4  *
  *                      -If zIIP processing is enabled, the job *
  *                       will hang without any CPU consumption  *
  *                                                              *
  *                      Both symptoms will be observed at the   *
  *                      start of the second unload.             *
  *                                                              *
  *                      Local fix:                              *
  *                      Split the unloads into distinct EXEC    *
  *                      steps                                   *
  ****************************************************************
  * RECOMMENDATION: Apply the PTF                                *
  ****************************************************************
  ABEND S0C4 or job hang in HPU 6.1 when performing more than one
  unload with AT QUIESCE in the same step
  

Problem conclusion

• Code has been changed to fix this problem
  

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:

  UO05249

Modules/Macros

• INZUTILK
  

Fix information

• Fixed component name

  DB2 HI PERF UNL

• Fixed component ID

  5697F4400

Applicable component levels

• R610 PSY UO05249

     UP25/10/18 P F510

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.