> Wait, sorry - so the disklabel tool says that the c partition starts at > offset 0 , that's logical indeed as data always starts at offset 0. > > By some reason, the disklabel tool however doesn't want partitions on the > first 64 sectors (console dump below), i.e. on the first 32KB (why?).
Modern disks are showing up with sector sizes > 512 bytes. This is an alignment strategy, to future proof things.