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    I would like to do some tape backups for long term protection without doing any short-term disk protection.
    I am unclear about how DPM 2007 selects which tape to backup to, when it decides it can append to an existing tape and when it decides it must start writing to a new tape. Is there some documentation about this you could point me to?
    I would like to set up a protection group for backing up to tape once a week. I'd like each weekly backup to start at the beginning of a tape so that I can easily take the backup for a particular week offsite if I need to. Can I do this with DPM 2007?
    Thanks.
    Friday, May 14, 2010 9:53 PM

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    By default, DPM will start reserving from the highest numbered slot backwards.  You can’t manually assign a particular tape to a PG.  But you can add multiple PG data into single tape by enabling “data colocation” feature.  Here are the details:

     

    http://technet.microsoft.com/en-us/library/cc964296.aspx

     

    Here some information about DPM and Tape

     

    http://portal.sivarajan.com/2009/12/dpm-and-tapes-things-to-consider.html

     

    Santhosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+ Houston, TX http://blogs.sivarajan.com/ http://publications.sivarajan.com/ This posting is provided "AS IS" with no warranties, and confers no rights.
    • Marked as answer by donzie1 Monday, May 17, 2010 1:43 PM
    Saturday, May 15, 2010 2:35 AM

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    By default, DPM will start reserving from the highest numbered slot backwards.  You can’t manually assign a particular tape to a PG.  But you can add multiple PG data into single tape by enabling “data colocation” feature.  Here are the details:

     

    http://technet.microsoft.com/en-us/library/cc964296.aspx

     

    Here some information about DPM and Tape

     

    http://portal.sivarajan.com/2009/12/dpm-and-tapes-things-to-consider.html

     

    Santhosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+ Houston, TX http://blogs.sivarajan.com/ http://publications.sivarajan.com/ This posting is provided "AS IS" with no warranties, and confers no rights.
    • Marked as answer by donzie1 Monday, May 17, 2010 1:43 PM
    Saturday, May 15, 2010 2:35 AM
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    Thanks for the help. This page is really what I was looking for. It pertains to DPM 2010 but I'm guessing the same applies to DPM 2007.

    http://technet.microsoft.com/en-us/library/ff653494.aspx

     

    Monday, May 17, 2010 1:43 PM
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    Yep.  Thanks for the udpate. 

    Santhosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+ Houston, TX http://blogs.sivarajan.com/ http://publications.sivarajan.com/ This posting is provided "AS IS" with no warranties, and confers no rights.
    Monday, May 17, 2010 2:25 PM