Dai file ai blocchi del disco
root@linuxday2022:~# mdadm --create /dev/md/mirror --level 1 --raid-devices 2 /dev/vdb1 /dev/vdc1
mdadm: Note: this array has metadata at the start and
may not be suitable as a boot device. If you plan to
store '/boot' on this device please ensure that
your boot-loader understands md/v1.x metadata, or use
--metadata=0.90
Continue creating array? y
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md/mirror started.