Personalities : [raid1]
md124 : active (auto-read-only) raid1 sdb5[1]
      1839216960 blocks super 1.0 [2/1] [_U]

md125 : active (auto-read-only) raid1 sdb1[1]
      16777088 blocks super 1.0 [2/1] [_U]

md126 : active (auto-read-only) raid1 sdb2[1]
      524224 blocks super 1.0 [2/1] [_U]

md127 : active (auto-read-only) raid1 sdb3[1]
      1073741632 blocks super 1.0 [2/1] [_U]

unused devices: <none>