Personalities : [raid1] [raid0] [linear] [multipath] [raid6] [raid5] [raid4] [raid10] 
md2 : active raid1 sda3[0] sdb3[1]
      1924137088 blocks [2/2] [UU]
      
md1 : active raid0 sda2[0] sdb2[1]
      16787456 blocks 512k chunks
      
md0 : active raid1 sda1[0] sdb1[1]
      20980736 blocks [2/2] [UU]
      
unused devices: <none>