mdstat - a

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Personalities : [raid10] [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] 
md127 : active raid10 nvme4n1[2] nvme2n1[0] nvme3n1[3] nvme1n1[1]
      6250969088 blocks super 1.2 512K chunks 2 near-copies [4/4] [UUUU]
      bitmap: 6/47 pages [24KB], 65536KB chunk

unused devices: