# cat /proc/mdstat 
Personalities : [raid1] 
md10 : active raid1 sdc6[0](W) sde3[1](W)
      1601431552 blocks super 1.2 [2/2] [UU]
      bitmap: 0/12 pages [0KB], 65536KB chunk

md3 : active raid1 sdc3[2](W) sdf4[3]
      209727296 blocks super 1.2 [2/2] [UU]
      bitmap: 2/2 pages [8KB], 65536KB chunk

md1 : active raid1 sdc2[2](W) sdf3[3]
      4005760 blocks super 1.2 [2/2] [UU]
      
md2 : active raid1 sdc1[0](W) sdf2[1]
      20474752 blocks [2/2] [UU]
      bitmap: 1/1 pages [4KB], 65536KB chunk

md6 : active raid1 sde2[0](W) sda1[1]
      117121024 blocks super 1.2 [2/2] [UU]
      bitmap: 0/1 pages [0KB], 65536KB chunk

md4 : active raid1 sdc4[0](W) sdd1[2]
      117024768 blocks super 1.2 [2/2] [UU]
      bitmap: 1/1 pages [4KB], 65536KB chunk

md5 : active raid1 sde1[0](W) sdb[1]
      117122048 blocks super 1.2 [2/2] [UU]
      bitmap: 1/1 pages [4KB], 65536KB chunk

unused devices: <none>