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IT16234: MEMORY LEAK IN IMFS.C WHEN RUNNING GENERATE/QUERY/DELETE DEDUPSTATS COMMANDS.

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APAR status

  • Closed as program error.

Error description

  • Using commands GENERATE DEDUPSTATS or QUERY DEDUPSTATS or
    DELETE  DEDUPSTATS can cause a memory leak .
    A lot of memory is used by the dsmserv process/service and is
    only released when the server is stopped.
    
    
    Tivoli Storage Manager Versions Affected: All platforms at level
    7.1.3.000 and higher
    
    Customer/L2 Diagnostics :
    
    A "SHOW ALLOC" command shows a lot of memory allocated from
    imfs.c, example below:
    
    ...
    830541 entries, using 10788698880 bytes, from imfs.c(6396)
    ...
    
    
    Initial Impact: Medium
    
    Additional Keywords:   TSM ISP spectrum
    

Local fix

  • - Do not use above commands until problem is corrected.
    - Recycle the server to free memory if necessary.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All Tivoli Storage Manager server users.                     *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See error description.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed in level 7.1.7. Note that this is      *
    * subject to change at the discretion of IBM.                  *
    ****************************************************************
    

Problem conclusion

  • This problem was fixed.
    Affected platforms:  AIX, Solaris, Linux, and Windows.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT16234

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    71W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-07-21

  • Closed date

    2016-08-04

  • Last modified date

    2016-08-04

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

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

Fix information

  • Fixed component name

    TSM SERVER

  • Fixed component ID

    5698ISMSV

Applicable component levels

  • R71A PSY

       UP

  • R71L PSY

       UP

  • R71S PSY

       UP

  • R71W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 7.1.3

Reference #: IT16234

Modified date: 04 August 2016