On 11/15/20 10:40 PM, Łukasz Posadowski wrote: > Sun, 15 Nov 2020 14:16:48 -0800 Gordon Messmer <gordon.messmer at gmail.com>: > > >> Use metadata version 1.2 instead of 0.9. >> > Thanks, I'll try that. I'm use to metadata 0.9, because GRUB have > (had?) some issue with the newer ones. If that doesn't work, and you need to use metadata 0.9, then check /etc/default/grub and make sure that GRUB_CMDLINE_LINUX contains "rd.md.uuid=<THE UUID OF YOUR md0>".