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I'm dual booting OS X (Lion) and Arch Linux, and when I hold down "option" during the boot process, I am presented with both of my startup disk options (i.e., OS X and Linux); however, they are named "IluvatarHD" and "Windows". Does anybody know of a way to rename the "Windows" option to something more accurate.

I assume this is on the Mac OS X side as nowhere on my Arch install is the label "Windows" applied.

In an ideal world, I would be able to change the disk icon as well...

NOTE: I've uninstalled refit as it's unnecessary once Arch has been installed and would rather keep using the Apple boot loader.

Any help would be appreciated!

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+1 for "IluvatarHD". – CajunLuke Mar 26 '12 at 23:05
Is it possible to cd into /Volumes via the Terminal and then use 'sudo mv Windows (or whatever it is called there) Arch Linux'? – rien333 Oct 6 '12 at 14:05

Maybe I'm missing the subtleties here, but it should be as simple as:

diskutil rename /Volumes/oldvolumename newvolumename
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I'm fairly certain this isn't possible. The EFI boot loader just assumes that if it isn't an OS X partition then it must be Windows.

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I don't think this is true. – Nivas May 31 '12 at 17:58

Try the following command in Terminal if you can mount the devices directly in MacOSX

sudo bless --folder "volume_path" -label "volume_label"

Otherwise try the following option:

sudo bless --device "device_path" -label "volume_label"

found it via apples man pages: Bless Man Page.

Hope it works.

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