On 2020-12-29 13:10, Andy Smith wrote: <..>
The default metadata format (v1.2) for mdadm is at the beginning of the device. If you've put a filesystem directly on the md device then the presence of the metadata will prevent it being recognised as a simple filesystem. What you can do is force mdadm to import it as a degraded RAID-1.
<..> I've puzzled about this. Are you supposed to have 3 disks ? One for the OS and the other 2 for the raid1 ?
mick -- Key ID 4BFEBB31