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IC75140: ON SOLARIS, DB2OSCONF SHOULD REPORT 2 X RAM FOR PROJECT.MAX-SHM-MEMORY.SHMMAX RECOMMENDATION SHOULD BE IN BYTES, NOT 4K UNITS.

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Two problems will be fixed in the db2osconf tool for Solaris.
    
    1. Since version 9.5, shared memory virtual limits need to be
    higher than the existing recommendation of 90% * RAM for many
    standard configurations.  This is due to additional virtual
    shared memory preallocation per instance and database, and
    volatility in STMM environments with many multiple databases.
    
    2. A separate problem is that  the shmmax recommendation (size
    of a single segment) is reported in 4K units, not bytes.  The
    setting should be reported in bytes.
    

Local fix

  • Set project.max-shm-memory to at least 2 X RAM, set shmmax to at
    least 1 X RAM
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * DB2 on Solaris                                               *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * See Local Fix                                                *
    ****************************************************************
    

Problem conclusion

  • Problem first fixed in DB2 Version 9.7 Fix Pack 5
    

Temporary fix

  • See Local Fix
    

Comments

APAR Information

  • APAR number

    IC75140

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-03-21

  • Closed date

    2012-05-23

  • Last modified date

    2012-05-23

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

    IC72970

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

Modules/Macros

  • sqo
    

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R970 PSN

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC75140

Modified date: 23 May 2012