IT36689: REORGCHK F6 REPORTING INCORRECT VALUES

Db2 Version 11.1 Mod 4 Fix Pack 7 for Linux, UNIX, and Windows

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 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

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