RAID0 is called that because zero is what you'll recover if you lose a disk. This is amazingly dangerous, and you're going to have a bad time.
Do a backup, then restore from backup. On 2024 Apr 06 (Sat) at 22:43:05 +0200 (+0200), Kirill A. Korinsky wrote: :Folks, : :I'm looking for a way to migrate to different layout some OpenBSD systems. : :All of them has RAID0 and as far as I think I may something like this: : :1. Remove second disk from RAID. :2. Build a new RAID0 on the second disk. :3. Make desires layout on the second RAID. :4. dump | restore :5. Boot from the second RAID. :6. Add the first disk to the second RAID. : :I have re-read https://www.openbsd.org/faq/faq14.html a few times and I :feel that this is quite risky. : :So, questions: :1. Has anyone done something like this before? :2. Do you have any instruction or that to expect? : :Thanks in advance. : :-- :wbr, Kirill : -- Celebrate Hannibal Day this year. Take an elephant to lunch.
