back to article Delete all you like, but it won't free up space

Networker blog author Preston de Guise has pointed out a simple and inescapable fact: deleting files on a deduplicated storage volume may not free up any space. De Guise points out that, in un-deduplicated storage: "There is a 1:1 mapping between amount of data deleted and amount of space reclaimed." Also, space reclamation is …

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  1. Anon NHS IT flunkey
    Black Helicopters

    RE: You've been (de)duped ...

    In the morning everyone! ;)

  2. BristolBachelor Gold badge
    Joke

    Statistically not a problem?

    If (statistically speaking), deleting a file does not free up space, because the blocks are also used elsewhere, then when you ADD a file, it takes up no space because the blocks will be shared elsewhere too.

    Therefore statistically speaking, Dedupe systems never run out of storage space as long as you have room to add a few more links and meta data for a file!

    OK, I'll get me coat. (Actually it doesn't have to be my coat, just one that looks the same!)

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