On Tue, 13 Sep 2022 21:54:21 +0200 Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > >> it's not funny when you are used to rsync your /etc/fstab over 11 years > >> that doing so would lead in a unbootbale system on the other side > > > > For this I'd suggest to use LABEL=rootfs (and so on) in fstab, instead of > > UUIDs. > > > > It's kind of the point of UUIDs that they are supposed to be (even globally) > > unique, and there should not be the same UUID on two different machines > > that's already the case for 15 years here > > but there is also mdadm.conf and sadly a copy in the intird It has never occured to me to check, but you could also specify arrays by "name=" there, instead of UUID. See "man mdadm.conf". And it is possible to rename arrays: https://askubuntu.com/questions/63980/how-do-i-rename-an-mdadm-raid-array Having same-name arrays on different hosts seems much more reasonable than same UUIDs. -- With respect, Roman
