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PI06811: ADDRESS ISSUES RELATED TO FPA ANALYZE

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APAR status

  • Closed as program error.

Error description

  • 1. When running FPA ANALYZE with SEGLDIST=YES to a database that
    has fixed length segments and variable length segments, FPA
    ANALYZE generates the Segment Length Distribution report
    incorrectly, or causes a loop.
    2. When running FPA ANALYZE with threshold values specified by
    THRESHOLD subcommand, and when a database exceeds the threshold
    values, FPA ANALYZE does not store the sensor data to the sensor
    data repository.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of HPFPU    Fast Path Advanced     *
    *                 Tools, HPFPU Fast Path Online Tools, and DB  *
    *                 Sensor in Fast Path Solution Pack Version 1  *
    *                 Release 2 (FMID: HAHQ120).                   *
    ****************************************************************
    * PROBLEM DESCRIPTION: 1. Unable to finish JCL job when        *
    *                         SEGLDIST=YES is specified.           *
    *                      2. Unable to save Sensor Data when      *
    *                         exceptions occur with THRESHOLD      *
    *                         keyword is specified                 *
    *                      3. Garbage information is displayed at  *
    *                         Secondary Index Analysis Report.     *
    *                      4. Standardize Sensor Report Subheader. *
    *                      5. Abend occurs when DB has ROOT and    *
    *                         SDEP segments only.                  *
    ****************************************************************
    * RECOMMENDATION: Apply the maintenance for this APAR.         *
    ****************************************************************
    1. Unable to finish JCL job with SEGLDIST=YES on the DB which
       has FIX segment between segments.
    2. Unable to save Sensor Data when exceptions occur with
       SENSOR_UOW=YES and THRESHOLD is specified due to exit
       condition.
    3. Garbage information is displayed because the field length is
       wrong.
    4. SENSOR Report subheader has been differernt from FF's
       subheader. Standardize subheader of SENSOR report for FF and
       FP.
    5. ABEND occurs when SEGLDIST=YES and the DB has ROOT and SDEP
       segments only.
    

Problem conclusion

  • 1. Modified to count up FIX segment between segments to get
       expected result.
    2. Changed exit condition to store Sensor data even if
       exception occurs.
    3. the field length is changed to correct length.
    4. Standardize subheader of SENSOR report for FF and FP.
    5. Modified to take the DB of ROOT and SDEP segments only
       correctly.
    
    ========================
    = DOCUMENTATION CHANGE =
    ========================
    The IMS Fast Path Solution Pack for z/OS Version 1 Release 2
    IMS High Performance Fast Path Utilities User's Guide
    (SC19-3287-00).
    >   Analyzing a DEDB offline with FPA
    >>  DD statements for the Analyze process
    
    The contents of following table, HFPAPARM table, is changed:
    
    RBASEFS:
    This keyword is an optional keyword. If a RAP CI contains free
    space that is greater than or equal to the percentage specified,
    and the RAP CI also uses overflow CIs, a reorganization control
    statement is generated for the UOW, and the UOW is included in
    the UOW Exception report. The default is 100%.
    The maximum value is 99, and the minimum value is 0.
    
    RDOVFFS:
    This keyword is an optional keyword. If the DOVF part of a UOW
    contains free space that is greater than or equal to the
    percentage specified, and the UOW also uses IOVF CIs, a
    reorganization control statement is generated for the UOW and
    the UOW is included in the UOW Exception report. The default
    is 100% The maximum value is 99, and the minimum value is 0.
    
    UDOVFFS:
    This keyword is an optional keyword. If the DOVF UOW contains
    free space that is less than or equal to the percentage
    specified, the UOW is included in the UOW Exception report.
    The default is 0%. The maximum value is 99, and the minimum
    value is 0.
    
    >   Analyzing a DEDB offline with FPA
    >>  Running the Analyze function
    >>> Preprocess for the Analyze process: Initializing permanent
    >>> data set
    
    //--------------------------------------------------------------
    //-- ALLOCATE AND INITIALIZE HISTORY DATA SET
    //--------------------------------------------------------------
    //IDCAMS EXEC PGM=IDCAMS
    //SYSPRINT DD SYSOUT=A
    //SYSIN DD *
       DELETE ( HPFP.STAT.HIST  ) NONVSAM
       DELETE ( HPFP.STAT.HIST2 ) NONVSAM
       SET MAXCC = 0
    /
    //--------------------------------------------------------------
    //-- ALLOCATE STATISTICS HISTORY DATA SET
    //-- ALLOCATE STATISTICS HISTORY2 DATA SET
    //--------------------------------------------------------------
    //IEFBR14 EXEC PGM=IEFBR14
    //DASDHIO DD   DSN=HPFP.STAT.HIST,DISP=(NEW,CATLG,CATLG),
    //             DCB=(DSORG=PS,RECFM=FB,LRECL=100,BLKSIZE=800),
    //             UNIT=SYSDA,SPACE=(CYL,(2,2),RLSE)
    //DASDHIO2 DD  DSN=HPFP.STAT.HIST2,DISP=(NEW,CATLG,CATLG),
    //             DCB=(DSORG=PS,RECFM=FB,LRECL=200,BLKSIZE=1600),
    //             UNIT=SYSDA,SPACE=(CYL,(4,4),RLSE)
    
    >  Sample reports of FPA
    >> UOW Exception report
    
    The UOW Exception report contains the analysis information of
    the UOW that exceeds the reporting parameters at HFPAPARM.
    
    Entries on this report are generated when one of the reporting
    parameters is exceeded. These reporting parameters are
    controlled by the keyword that you specify on the HFPAPARM
    DD statement.
    
    > nn% free space in a RAP CI and overflow CIs are used. Use the
    RBASEFS keyword to specify this parameter.
    > nn% free space in DOVF and the UOW uses IOVF CIs. Use the
    RDOVFFS keyword to specify this parameter.
    < nn% free space in the DOVF part of a UOW. Use the UDOVFFS
    keyword to specify this parameter.
    
    The UOW Exception report can be used to:
    List detailed information about each UOW
    Identify which UOWs require reorganization
    Manage space utilization when the randomizer has been modified
    to group related data into contiguous UOWs
    List only those UOWs that violate the user-specified space
    utilization criteria
    
    This report is generated by the following commands and by the
    reporting parameters at HFPAPARM:
    
    ANALYZE with the REPORT subcommand and the PTRCHKLVL=FULL
    or the PTRCHKLVL=QUICK keyword
    CHANGE with the REPORT subcommand and the PTRCHKLVL=FULL
    or the PTRCHKLVL=QUICK keyword
    RELOAD with the REPORT subcommand and the PTRCHKLVL=FULL
    or the PTRCHKLVL=QUICK keyword
    REORG with the REPORT subcommand and the PTRCHKLVL=FULL
    or the PTRCHKLVL=QUICK keyword
    
    For information about the HFPAPARM DD statement, see the
    description about the DD statement in the following topics:
    "DD statements for the Analyze process" in topic 2.7.5
    "DD statements for the Change process" in topic 2.5.5
    "DD statements for the Reload process" in topic 2.4.5
    "DD statements for the Reorg process" in topic 2.6.6
    
    The following figure is an example of the UOW Exception report
    when PTRCHKLVL=FULL and the reporting parameters at HFPAPARM.
    
    >  Sample reports of FPA
    >> Sensor Data Statistics report
    
    ==============================================
       SYNONYM CHAIN LENGTH STATISTICS
    ==============================================
    is changed to
    ==============================================
       RANDOMIZING STATISTICS
    ==============================================
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI06811

  • Reported component name

    IMS FP SOLUTION

  • Reported component ID

    5655W1400

  • Reported release

    120

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2013-11-22

  • Closed date

    2013-12-12

  • Last modified date

    2014-01-02

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

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

    UI13468

Modules/Macros

  • HFPA5H20 HFPA5PF0 HFPA5SR0 HFPLSIA0 HFPOSNR0 HFPSPRDF
    

Fix information

  • Fixed component name

    IMS FP SOLUTION

  • Fixed component ID

    5655W1400

Applicable component levels

  • R120 PSY UI13468

       UP13/12/14 P F312

Fix is available

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Document Information

Modified date:
03 October 2020