Am 29.01.20 um 04:17 schrieb Ram Ramesh: > I have my entire debian 9.0 installation (root/usr/home etc) in two nvme > RAID-1 mirror. Is it possible to break them in to two degraded arrays? > > Specifically I want to do this. > > 1. Break current debian 9 full RAID1 into two degraded RAID1 A & RAID1 B > 2. Boot only A and upgrade to debian 10 and make sure it works > 3. If it works, add B back into A and get Debian 10 in fully complete RAID1 > 4. If it does not work, I boot B and add A back and get back debian 9 > in full working RAID1 i would simply remove one disk completly and in case i want to keep the upgraded system wipe it and resync afterwards or when i want back to the old one put it back and wipe the modified full resync, done
