Thread: Mystery space taken up on MAIN (Not rootfs) Partition
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RobbieThe1st is offline RobbieThe1st
2010-11-10 , 10:01
Posts: 842 | Thanked: 1,197 times | Joined on May 2010
#18
Well, even if it doesn't, it won't automatically format a mounted disk - mkfs is -very- careful about that.

Honestly, I'm surprised it was mounted; My KDE-based install lets me know that new devices are ready, but doesn't auto-mount by default(though it is an option).

So yea, unmount it, then try formatting.
If the GUI method doesn't work, "sudo umount /dev/sdX" is the command to use.
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