D. R. Evans wrote on 1/29/26 4:53 PM:
David wrote on 1/29/26 3:55 PM:to read in the root directory of each device in turn. Can you please report the result of these interactive grub-rescue commands, after booting your system with only the drive being rescued connnected: ls (hd0)/ ls (hd0, msdos1)/ ls (hd0, msdos2)/ ls (md/0)/They all return: error: unknown filesystem
FWIW (which may be nothing), when I used a couple of GRUB rescue disks before first posting here, they both trundled and thought for a bit, then errored out with a similar message.
Doc -- Web: http://enginehousebooks.com/drevans