manolo@k64:~$ cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md1 : active raid1 sdb2[1] sda2[0]
9767424 blocks [2/2] [UU]
md3 : active raid1 sdb3[1] sda3[0]
979840 blocks [2/2] [UU]
md2 : active raid1 sdb4[1] sda4[0]
467868928 blocks [2/2] [UU]
Ce l'ho fatta!
A breve anche la root in RAID 1