preparing a windows machine for dual booting
greg at romuald.net.eu.org
Mon Oct 24 15:27:54 EDT 2011
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You need to install ntfsprogs. Then, run ntfs resize to resize the
Here's how I went about this the few times I did it. There is of
course more than one way, as with so many things.
1. Figure out how small you want the windows partition to be.
2. Make sure you have enough free space on the windows file system
(E.G. make sure your used space is less than the size of the
3. Run ntfsresize with a size bigger than your used space in the
windows file system, but smaller than what you want the resized
partition to be. Let's say you want to resize the partition to 6
gigs, and that windows has so far used 3 gigs. Resize the file
system to 5 gigs in that case.
4. While you could use parted here, I just do things the dangerous?
shall we say way. I simply run cfdisk, delete the original
partition, and recreate it with the new size, 6 gigs in this
case. If you simply delete the partition, and create it again with
a smaller size, this works fine, and creating a partition with a
larger size if you want to expand should work fine too. Just make
sure the new partition starts on the same cylinder as the old,
which should be the case anyway.
5. Run ntfsresize again, this time letting it enlarge the file system
to the size of the new underlying partition. You should be all set
to do whatever you want with the new unpartitioned space now.
Like I said, this is how I do it, and it works for me. This isn't the
only way, and maybe not the best one either. Out of curiosity, from
what I know, you stay as far from windows as possible. If that's
correct, then why aren't you blowing it away entirely in this case?
On Mon, Oct 24, 2011 at 06:55:18AM -0400, Chuck Hallenbeck wrote:
> Hi all,
> The first step in preparing a windows machine for dual booting seems to
> be to resize the partition containing windows to release sufficient disk
> space for the Linux I wish to install. I assume parted is the tool of
> choice to resize an ntfs partition. But how do I assure that data are
> not lost in doing so? What tool will move all the windows data into
> the reduced partition size?
> A few tips would be appreciated, this is new territory for me.
> Chuck in Hudson.
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