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Mette_Wadleigh's avatar
Mette_Wadleigh
Level 2
12 years ago

NetBackup Technical Information Updates: Deduplication FAQs

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Speeding up deduplication

Check here for new and updated technical articles (and videos) on NetBackup and NetBackup Appliances that have been vetted by a cross-functional content council of NBU product and technical support engineers. 

The first article (link above) takes a deeper dive into the NetBackup deduplication process. Read this article if you have ever wondered why:

  • MSDP is always busy, even with no jobs running
  • TLog processing takes days to complete
  • DiskVolume is down
  • You are getting Status Code 83, 84, or 2074

If you have feedback or questions on any of the articles, or if you have key topics or areas that you would like to see addressed, please comment and let us know. Our aim is to provide you with the most up-to-date technical information on the NetBackup issues that concern you most.  

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10 Replies

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  • huanglao2002's avatar
    huanglao2002
    Level 6
    12 years ago
    Hi Mette Wadleigh I want to know more HOW MSDP work? Can you provide mor info? Thanks Jim
  • Omar_Villa's avatar
    Omar_Villa
    Level 6
    12 years ago
    Check the dedup process flow http://www.symantec.com/business/support/index?page=content&id=HOWTO59476
  • Mette_Wadleigh's avatar
    Mette_Wadleigh
    Level 2
    12 years ago

    Hi Jim,

    I see that the intrepid Marianne van den Berg and Omar Villa have suggested some docs for you. If the docs don't completely answer your questions, please let us know! Thanks.  

  • huanglao2002's avatar
    huanglao2002
    Level 6
    12 years ago

    Hi Mette Wadleigh

    When i use MSDP function, i often encount the problems as below

    1. MSDP create failed, I don't know what is MSDP create wizard do,so it's hard for troubleshoot.

    2.Two months ago,I want to delete MSDP from my test environment.It's take me 2 weeks to do this,i need  follow lots of TN to complete it.

    3.As a netbackup adm,i know how to troubleshoot daily erros. After use MSDP function,i'm confused.

    4.Our site have a 5200 box,I'm not confident to use it. it's like a black box.

    Thanks

    Jim

    20130730

  • erikalui's avatar
    erikalui
    Level 3
    12 years ago

    I checked out this manual http://www.symantec.com/docs/DOC5187. It was quite useful. Thanks for the information.

  • Khajan's avatar
    Khajan
    Level 4
    12 years ago

    With 7.6.x.x and 2.6.x.x code there are significant performance improvements, Following few links are worth looking..

    Deduplication Multi-Threaded Agent (mtstrmd)

    http://www.symantec.com/docs/HOWTO89168

    Reference Database Re-architecture (RefDB)

    Queue Processing enhancements

    MSDP Deduplication Manager enhancements

    MSDP Deduplication Engine enhancements

    Data Integrity and Self Healing updates

    http://www.symantec.com/docs/DOC6466

     

    General MSDP Components and Details

    http://www.symantec.com/docs/HOWTO89002