PM33031: INCORRECT OUTPUT IN A "DATA BASE STATUS LIST"

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• A 'DATA BASE STATUS LIST' usually names the DL/I, DEDB, and MSDB
  databases whose control blocks were not initialized or were in a
  stopped state when IMS failed. The names of DL/I databases that
  are needed for recovery are also shown.
  However, DFR sets a status code NOTINIT to a REASON1 field
  incorrectly in the following situations:
   - When a recovery start checkpoint was taken, there was not a
     DMB in an active ACB library, and the DMB was added by an
     online change after that.
   - When the recovery start checkpoint was taken, there was the
     DMB in the active ACB library, and the DMB was replaced with
     the DMB that is a same name and a different database type by
     the online change after that.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All IMS DEDB FAST RECOVERY Version 2         *
  *                 Release 2 (FMID=H1J2220) users in IMS V9,    *
  *                 V10, V11 or V12.                             *
  ****************************************************************
  * PROBLEM DESCRIPTION: DFR sets a status code NOTINIT to a     *
  *                      REASON1 field of a 'DATA BASE STATUS    *
  *                      LIST' incorrectly in the following      *
  *                      situations:                             *
  *                      - When a recovery start checkpoint was  *
  *                        taken, there was not a DMB in an      *
  *                        active ACB library, and the DMB was   *
  *                        added by an online change after that. *
  *                      - When the recovery start checkpoint    *
  *                        was taken, there was the DMB in the   *
  *                        active ACB library, and the DMB was   *
  *                        replaced with the DMB that is a same  *
  *                        name and a different database type by *
  *                        the online change after that.         *
  ****************************************************************
  * RECOMMENDATION: Apply the maintenance for this APAR.         *
  ****************************************************************
  DFR analyzes log records after the selected checkpoint,
  reconstructs the database control blocks (DDIR) to the state
  that they were at the time of IMS failure.
  DFR copies database status information to DDIR from X'4006' log
  records at the first.
  If the following bits of a DDIRCOD3 flag loaded from a DMB and
  the bits of a CHKCOD3 flag of a X'4006' log record do not match,
  DFR sets a DDIRBAD bit of a DDIRCOD2 flag, and a DDIRNOSC bit of
  a DDIRCODE flag.
  .  - DDIRMSDB EQU   X'01'          THIS DMB IS MSDB
  .  - DDIRDEDB EQU   X'02'          THIS DMB IS DEDB
  Since DFR uses the DDIRCOD2 flag and the DDIRCODE flag to check
  a status of a database for 'DATA BASE STATUS LIST' only and
  there is no impact in recovery of DEDBs, DFR does not need the
  compare logic and should use the newest DMB information.
  

Problem conclusion

• The following modules have been modified.
  (x = 9, A , B and C)
  *
  DFRLDB1x - This module was changed so that DFR might delete the
             compare logic for the DDIRCOD3 flag of the DMB and
             the CHKCOD3 flag of the X'4006' log record.
  *
  

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:

  UK65170

Modules/Macros

• DFRLDB1A DFRLDB1B DFRLDB1C DFRLDB19
  

Fix information

• Fixed component name

  DEDB FAST RECOV

• Fixed component ID

  5655E3200

Applicable component levels

• R220 PSY UK65170

     UP11/02/25 P F102

Fix is available

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