> I have now created overlays with this guide: > https://raid.wiki.kernel.org/index.php/Recovering_a_failed_software_RAID#Making_the_harddisks_read-only_using_an_overlay_file > > Did I understand correctly that now I can try to create the raid with > that --create --assume-clean and using those /dev/mapper/sd* files? > So testing different disk orders until I get them right and data back? > After fail #1,#2,#3... I just revert the files back to beginning and > try the next combination? Yes, try, fail and revert and try another one until the fs makes sense. Given these are GPT the gpt overwrites enough in the front of the disk that assemble is not going to work. You should likely also read the last 2-4 weeks of this group's archive. Another guy with a very similar partition table accident recovered his array and posted some about the recovery steps he needed..
