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IT06277: "TOTAL NUMBER OF BYTES PROCESSED" VALUE IS INCORRECT WITH DEDUPLICATION AND COMPRESSION ENABLED

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APAR status

  • Closed as program error.

Error description

  • A Tivoli Storage Manager client backup which has client side
    deduplication  and compression enabled, will see an incorrect
    value calculated in the ending client summary statistics. The
    value seen will always represent the same value seen for "Total
    number of bytes transferred". Eg :
    
    Total number of objects inspected:  153,101
    Total number of objects assigned:     3,579
    Total number of objects backed up:      474
    Total number of objects updated:          0
    Total number of objects rebound:          0
    Total number of objects deleted:          0
    Total number of objects expired:         85
    Total number of objects failed:           4
    Total objects deduplicated:             267
    Total number of bytes inspected:      16.44 GB
    Total number of bytes processed:      273.74 MB   <=======
    Total bytes before deduplication:      1.22 GB
    Total bytes after deduplication:      454.72 MB
    Total number of bytes transferred:    273.74 MB   <=======
    Data transfer time:                  800.62 sec
    Network data transfer rate:          350.11 KB/sec
    Aggregate data transfer rate:        174.71 KB/sec
    Objects compressed by:                   40%
    Deduplication reduction:              63.63%
    Total data reduction ratio:           98.38%
    Elapsed processing time:           00:26:44
    
    The actual value for the "Total number of bytes transferred" is
    calculated correctly, taking into consideration deduplication
    and compression savings.
    
    This only affects the Tivoli Storage Manager Client which has
    both client side deduplication and compression enabled.
    
    
    Tivoli Storage Manager Versions Affected:
    All supported versions and all supported operating systems
    
    Customer/L2 Diagnostics (If Applicable)
    
    Initial Impact: Low|Medium|High
    Low
    
    Additional Keywords:
    TSM summary statistics dedup compression
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All backup-archive client versions starting with 6.2.0       *
    * running on all platforms.                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed                                        *
    * in levels 6.4.3, 7.1.2. Note that this is subject to change  *
    * at the discretion of IBM.                                    *
    ****************************************************************
    

Problem conclusion

  • The problem described in this APAR has been fixed so that it no
    longer occurs.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT06277

  • Reported component name

    TSM CLIENT

  • Reported component ID

    5698ISMCL

  • Reported release

    71W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-12-31

  • Closed date

    2015-02-13

  • Last modified date

    2015-02-13

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

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

Modules/Macros

  • dsmc
    

Fix information

  • Fixed component name

    TSM CLIENT

  • Fixed component ID

    5698ISMCL

Applicable component levels

  • R64A PSY

       UP

  • R64H PSY

       UP

  • R64L PSY

       UP

  • R64M PSY

       UP

  • R64S PSY

       UP

  • R64W PSY

       UP

  • R71A PSY

       UP

  • R71H PSY

       UP

  • R71L PSY

       UP

  • R71M PSY

       UP

  • R71S PSY

       UP

  • R71W PSY

       UP

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGSG7","label":"Tivoli Storage Manager"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"71W","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
07 January 2022