Personalities : [raid1] [raid0] 
md2 : active raid1 sda4[0] sdb4[1]
      2880807744 blocks super 1.2 [2/2] [UU]
      
md1 : active raid0 sda3[0] sdb3[1]
      97655808 blocks super 1.2 512k chunks
      
md0 : active raid1 sda2[0] sdb2[1]
      488128 blocks super 1.2 [2/2] [UU]
      
unused devices: <none>