PI08787: DBF#FPU0 PSB SET TO NOTINIT STATUS AFTER DFS993I CSA PSB POOL TOOSMALL, WHEN DDIR EXISTS BUT NO DBD IN ACBLIB FOR TARGET DB

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Attempt to schedule FP Utility against a database which does
  exist ( DDIR exists ) but has no DBD in ACBLIB, causesFP
  system PSB DBF#FPU0 to fail schedule with DFS993I and become
  NOT-INIT.
  The error was added with PM90798. A DFSCBTS scan is done to
  locate DDIR, which succeeds since DDIR exists. DDIRADDR is
  zero, however, since there is no DBD in ACBLIB and hence no
  DMCB. Zero is used as DMCB pointer and the number of levels
  in DB ( DMCBHSLV ) is loaded from low cord ( x'0000003C')
  which happens to be a very large halfword value ( x'7FFF')
  and then used to calculate space required.
  Probably, if DDIRADDR is zero, we should take the same path
  as if DDIR isn't found - label FPUT100.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: IMSFP V13 DEDB users.                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: DBF#FPU0 PSB SET TO NOTINIT STATUS      *
  *                      AFTER DFS993I CSA PSB POOL TOO SMALL,   *
  *                      WHEN DDIR EXISTS BUT NO DBD IN ACBLIB   *
  *                      FOR TARGET DB.                          *
  ****************************************************************
  * RECOMMENDATION: INSTALL CORRECTIVE SERVICE FOR APAR/PTF      *
  ****************************************************************
  Attempt to schedule FP Utility against a database which does
  exist ( DDIR exists ) but has no DBD in ACBLIB, causes FP
  system PSB DBF#FPU0 to fail schedule with DFS993I and become
  NOT-INIT.
  A DFSCBTS scan is done to locate DDIR, which succeeds
  since DDIR exists. DDIRADDR is zero, however, since there
  is no DBD in ACBLIB and hence no DMCB. Zero is used as DMCB
  pointer and the number of levels in DB ( DMCBHSLV ) is loaded
  from low cord ( x'0000003C') which happens to be a very
  large half word value ( x'7FFF') and then used to
  calculate space required.
  

Problem conclusion

• GEN:
  KEYWORDS:
  
  *** END IMS KEYWORDS ***
  The following change has been made to correct the reported
  problem:
  
  DFSDLMP0:  Check if DDIRADDR ( DMCB ) is zero, treat as
             if DDIR is not found case.
  

Temporary fix

• *********
  * HIPER *
  *********
  

Comments

APAR Information

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

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

  UI17655

Modules/Macros

• DFSDLMP0
  

Fix information

• Fixed component name

  IMS V13

• Fixed component ID

  5635A0400

Applicable component levels

• R300 PSY UI17655

     UP14/05/07 P F405 ¢

Fix is available

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