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2008 Windows Server backup allow for incremental/differential and cleanup

    Question

  • Was wondering if there's a way to specify in Windows Backup that we'd like an incremental backup, and how long should the increments be kept for. Is this even an option?

    This new version of the server backup (08 vs 03) allows for simple "backup" - nothing else. It may very well do incrementals, but how do we specify how long to keep those increments?

    Same goes for full server images (bare metal recoveries) how do we specify how many server instances to save?

    Thanks

    Tuesday, January 29, 2013 10:15 PM

Answers

  • Hi,

    By default it is incremental backup. And the old backups will only be delete if there is no enough disk space. Windows Server Backup will delete the oldest ones to release disk space for new backups.

    You could run vssadmin to manage the shadow copies:

    vssadmin list shadows /for=x: – for listing the snapshots on x: where x: is the backup location
    vssadmin delete shadows /for=x:  /oldest – for delete the oldest shadow copy. It can be called multiple times in case there is need to delete multiple older backups.

     


    TechNet Subscriber Support in forum |If you have any feedback on our support, please contact tnmff@microsoft.com.

    Wednesday, February 06, 2013 8:40 AM

All replies

  • Hi,

    By default it is incremental backup. And the old backups will only be delete if there is no enough disk space. Windows Server Backup will delete the oldest ones to release disk space for new backups.

    You could run vssadmin to manage the shadow copies:

    vssadmin list shadows /for=x: – for listing the snapshots on x: where x: is the backup location
    vssadmin delete shadows /for=x:  /oldest – for delete the oldest shadow copy. It can be called multiple times in case there is need to delete multiple older backups.

     


    TechNet Subscriber Support in forum |If you have any feedback on our support, please contact tnmff@microsoft.com.

    Wednesday, February 06, 2013 8:40 AM
  • Thanks for the response on this.

    Could we somehow implement a back-up system that would account for the number of incrementals that exists? That is - instead of going by the storage space used - could these backups/incrementals to be "groomed" depending on the number of existing ones.

    i.e. one each day / week - delete the oldest one once the 8th has been successfully created.

    We could certainly schedule something to delete the last one every 8th day, but we would like to make sure we have at least 7 at all times (irrespective of storage or failures). Any way to set that up somehow?

    Friday, February 08, 2013 5:58 PM