On Mon, 15 Jun 2015, jd1008 wrote: > Thanx for the update > but what about non-gpt and non lvm partitions? > What is used as inp > nut to create a universally unique id? > > (Actually, for an id to be universally unique, one would almost > nee knowledge of all existing id's. > So, I do not have much credence in this universal uniqueness. Sufficiently random gets you there, since you're not connecting billions of filesystems to a single system. If you really want to generate them by hand, feel free, as mkfs.ext4 lets you specify the filesystem UUID. I think you're finding a problem where one does not exist. jh