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VSS error on backup

Answered VSS error on backup

  • Monday, January 07, 2013 1:41 PM
     
     
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    We have Networker 7.6 backing up Windows 2008 R2 servers and are running across a situation where a old file that was deleted is still being seen by VSS.  Sometimes a reboot fixes it, sometimes it doesn't.

    Is there a way to reset the VSS writers so that they rescan the file system ?   Is there a good article on the internal workings of VSS and how it differs between the backup snapshot process and the previous version process ?

    Thanks in advance.

     

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  • Monday, January 07, 2013 2:55 PM
     
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    Hi,

    Is there a way to reset the VSS writers so that they rescan the file system ?  

    Answer: Yes, You can reset VSS writers, the services that need to be restarted to reset each of them. Some are rather obvious, others (System Writer for instance) not so much.

    VSS Writer Service Name Service Display Name
    ASR Writer VSS Volume Shadow Copy
    BITS Writer BITS Background Intelligent Transfer Service
    COM+ REGDB Writer VSS Volume Shadow Copy
    IIS Config Writer AppHostSvc Application Host Helper Service
    IIS Metabase Writer IISADMIN IIS Admin Service
    Microsoft Exchange Writer MSExchangeIS Microsoft Exchange Information Store
    Microsoft Hyper-V VSS Writer vmms Hyper-V Virtual Machine Management
    Registry Writer VSS Volume Shadow Copy
    Shadow Copy Optimization Writer VSS Volume Shadow Copy
    System Writer CryptSvc Cryptographic Services
    WMI Writer Winmgmt Windows Management Instrumentation

    Some of the above mentioned service might not exit.

    Is there a good article on the internal workings of VSS and how it differs between the backup snapshot process and the previous version process ?

    Answer: Good articles i found

    http://www.planetcobalt.net/sdb/vss_writers.shtml

    http://technet.microsoft.com/en-us/library/hh758026.aspx


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