> On Jul 13, 2015, at 8:00 PM, Jean-Christophe Helary
> <[email protected]> wrote:
>
> I have a ghost partition on disk.
>
> It dates from last year, with the release of the Yosemite Beta. I created a
> 50gb partition on my MBP, I think I encrypted it just for the fun, I
> installed the Yosemite Beta on it, played with it and then I don't remember.
>
> Now, what I have when I open Disk Utility is a grey space at the bottom of
> the partition map. I can click on it, set a name and a format instead of the
> current "Free Space", I can click "Apply" but nothing happens. Even after
> pressing "Apply", if I try to go to First Aid, I get an "Unsaved changes"
> message and that's it.
>
> There must be a way to reclaim that space... Any idea ?
I would try things using the command line, especial trying out things
under the `diskutil cs` group of commands. There appears to be either a
disconnect, or a disagreement, between the group at Apple doing Disk
Utility.app, and the one writing CoreStorage. At a minimum the command line
more often gives good error messages that the GUI.
Alternately, if you actually used the Ghost product from Symantec, then
there is a good chance that your MBR is messed up, and that is going to take
more work to fix.
—
Karl Kuehn
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