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I would like to use Spanned Volumes in Windows 7 to present a number of disks (or iSCSI LUNs) as a single volume. I like to maintain flexibility in my setups however.

Is it possible to remove a disk from a spanned volume in the future?

I can find documentation about shrinking volumes but nothing about later removing one from a set.

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    I hadn't used a spanned volume in some time, but from what I recall, the isn't a way to unspan a volume. Also, if you want to access the space of the drive/lun from within the C drive, depending on what you want to do, using mount points or junction points may do what you need.
    – Scott McClenning
    Feb 3, 2012 at 2:11
  • I was going to use it for storing hd video, just a convenience method basically. I'll post the definitive answer to this, and possibly my alternative solution once I get my setup rolling.
    – Jacob Groundwater
    Feb 3, 2012 at 3:51

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http://technet.microsoft.com/en-us/library/cc737048(WS.10).aspx

You cannot remove a disk from a spanned volume in the future without deleting the volume itself.

That being said, just because Microsoft doesn't officially support such an operation doesn't mean it isn't possible.

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  • Can you expand or link to details on how such an operation would be done?
    – Jacob Groundwater
    Feb 4, 2012 at 5:59
  • I would think it would be technically possible on Windows, but not a simple task. There are products/file systems that I believe can do this, like Drobo's BeyondRAID
    – Keltari
    Dec 3, 2013 at 4:49

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