IBM Support

IT36689: REORGCHK F6 REPORTING INCORRECT VALUES

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • REORGCHK can calculate the value for formula F6 incorrectly
    resulting in a bad value being returned. Instead of returning a
    percentage or '+++', garbage may be returned as in the following
    example
    
    Table statistics:
    
    F1: 100 * OVERFLOW / CARD < 5
    F2: 100 * (Effective Space Utilization of Data Pages) > 70
    F3: 100 * (Required Pages / Total Pages) > 80
    
    SCHEMA.NAME                     CARD     OV     NP     FP ACTBLK
    TSIZE  F1  F2  F3 REORG
    ----------------------------------------------------------------
    ------------------------
    Table: HING.T1
                                 3.1e+08     -1     -1     -1      -
    -1   0   0   0 ---
    ----------------------------------------------------------------
    ------------------------
    
    Index statistics:
    
    F4: CLUSTERRATIO or normalized CLUSTERFACTOR > 80
    F5: 100 * (Space used on leaf pages / Space available on
    non-empty leaf pages) > MIN(50, (100 - PCTFREE))
    F6: (100 - PCTFREE) * (Amount of space available in an index
    with one less level / Amount of space required for all keys) <
    100
    F7: 100 * (Number of pseudo-deleted RIDs / Total number of RIDs)
    < 20
    F8: 100 * (Number of pseudo-empty leaf pages / Total number of
    leaf pages) < 20
    
    SCHEMA.NAME                 INDCARD  LEAF ELEAF LVLS  NDEL
    KEYS LEAF_RECSIZE NLEAF_RECSIZE LEAF_PAGE_OVERHEAD
    NLEAF_PAGE_OVERHEAD  PCT_PAGES_SAVED  F4  F5  F6  F7  F8 REORG
    ----------------------------------------------------------------
    ----------------------------------------------------------------
    -----------------------------------------------
    Table: HING.T1
    Index: HING.I1
                                3.1e+08 3e+07   961    8 2e+08
    -1          152           152                324
    324                0  -1   1 -368s?M40  40   0 -*-*-
    ----------------------------------------------------------------
    ----------------------------------------------------------------
    -----------------------------------------------
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * all                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to 11.1.4.7                                          *
    ****************************************************************
    

Problem conclusion

  • Upgrade to 11.1.4.7
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT36689

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-04-23

  • Closed date

    2022-04-17

  • Last modified date

    2022-04-17

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

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

    IT36721

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • RB10 PSN

       UP

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
03 May 2022