> I'm trying to make several changes to my disklabel at once. If I try > to do it with -R to read in a file I get disklabel: ioctl DIOCWDINFO: > Open partition would move or shrink
You are attempting to change the position or size of a mounted partition. You can't do that. The filesystem will attempt to write out to the disk and scribble somewhere unhealthy. The kernel therefore refuses to perform the action.

