Personalities : [raid1]
md1 : active raid1 sda1[0] sdd1[1]
      80192 blocks [2/2] [UU]
      
md2 : active raid1 sdd2[1]
      8168960 blocks [2/1] [_U]
      
md3 : active raid1 sdb1[0] sdc1[1]
      16884224 blocks [2/2] [UU]
      
md4 : active raid1 sdb2[0] sdc2[1]
      401536 blocks [2/2] [UU]