IBM Support

IT39727: AFTER THE UPGRADE TO VERSION 10.1.9, REPLICATION OR CLOUD COPY JOBS RUN SLOWER THAN THE CONFIGURED SITE BANDWIDTH THROTTLE

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APAR status

  • Closed as program error.

Error description

  • After the upgrade IBM Spectrum Protect Plus to version 10.1.9,
    when bandwidth throttle is enabled for a site, the replication
    or cloud copy jobs associated with that site will transfer data
    at a rate that is much slower than expected. The problem occurs
    specifically when multiple replication or cloud jobs run
    concurrently.
    
    The overall transfer throughput for a given job is reported at
    the end of the job log.
    
    
    For example:
    CTGGA0398   Total data replicated for job 7.31 GB; Throughput:
    2.28 MB/Sec; Duration  0H:54M:49S
    
    Due to a miscalculation, the throttle rate is unnecessarily
    divided by the number of active jobs rather than the number of
    active
    vSnaps.
    
    The result is that all active vSnap servers in the site get
    throttled to a low value.
    
    | MDVREGR 10.1.8.0  5737SPLUS |
    
    IBM Spectrum Protect Plus Versions Affected:
    IBM Spectrum Protect Plus 10.1.9
    
    Additional Keywords: SPP, SPPlus, TS007488465, REPLICATION,
    THROTTLE
    

Local fix

  • Temporarily disable the network throttle in the site settings.
    If this is not possible because some amount of throttling is
    desired, then schedule SLAs to avoid overlapping replication or
    cloud copy jobs within the same site.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * IBM Spectrum Protect Plus level 10.1.9.                      *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available.  This problem is          *
    * currently projected to be fixed in IBM Spectrum Protect Plus *
    * level 10.1.9.3 and 10.1.10.                                  *
    * Note that this is subject to change at the discretion of     *
    * IBM.                                                         *
    ****************************************************************
    

Problem conclusion

  • IBM Spectrum Protect Plus has been fixed.   The throttle rate
    calculations will be based on the number of vSnap servers in a
    site that are actively transferring data regardless of active
    job count.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT39727

  • Reported component name

    SP PLUS

  • Reported component ID

    5737SPLUS

  • Reported release

    A19

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2022-01-24

  • Closed date

    2022-02-21

  • Last modified date

    2022-02-21

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

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

Modules/Macros

  • Other
    

Fix information

  • Fixed component name

    SP PLUS

  • Fixed component ID

    5737SPLUS

Applicable component levels

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSNQFQ","label":"IBM Spectrum Protect Plus"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A19","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
31 January 2024