Personalities : [linear] [raid0] [raid1] [raid10] [raid5] [raid4] [raid6] [multipath] [faulty] 
md1 : active raid1 sdb1[1] sda1[0]
      40064 blocks [2/2] [UU]
      
md2 : active raid1 sdb2[1] sda2[0]
      1052160 blocks [2/2] [UU]
      
md3 : active raid1 sdb3[1] sda3[0]
      389616320 blocks [2/2] [UU]
      [>....................]  resync =  0.1% (744192/389616320) finish=395.5min speed=16385K/sec