What is disk cost of a powered-down snapshot ?

Discussion in 'Windows Virtual Machine' started by Ed of the Mountain, Aug 8, 2013.

  1. Ed of the Mountain

    Ed of the Mountain Bit poster

    Messages:
    4
    Do snapshots eat up substantial disk space? The files contained in the Snapshots folder in a VMs package contents seem surprisingly small at only 10-20K bytes. How can this store a VM's state? Is it just a pointer into the huge hdd file?

    Background

    I am a software developer. I take a lot of snapshots of the powered-down VM after installation. When something goes wrong I can revert back. I can also branch-off from an earlier snapshot for starting new software development work that might require different tools.

    Example snapshots:
    1. Installed Parallels Tools, Windows updates, activated Windows
    2. Installed VS2010
    3. Installed VS2012
    4. Installed LabVIEW

    Thanks in advance,

    -Ed
     

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