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file device name behavior

Discussion in 'Tape / Media Library' started by rowl, Oct 18, 2012.

  1. rowl

    rowl ADSM.ORG Senior Member

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    I was asked a couple questions by management yesterday and I wasn't sure how to reply to these. Thought maybe someone here would have some insights. These are in regards to using devclass=FILE.

    1) Does TSM reuse volume names for file devices after a volume has been deleted/scratched.
    /path/0000C0000.BFS
    /path/0000C0001.BFS <-- Gets deleted
    /path/0000C0002.BFS

    will we ever create a new /path/0000C0001.BFS ?

    2) What happens if TSM reaches the end of the volume name range? For example, if I ever got to volume /path/FFFFFFFF.BFS does it start over with /path/00000000.BFS ?

    Yes I know that this is an insanely large number of volumes :) By my calculations it would take 4,000 years to exhaust this volume range given our daily backup size.

    Thanks,
    -Rowl
     
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