mdstat - AMD Athlon 64 X2 5000
Personalities : [raid1]
md5 : active raid1 sda5[0] sdb5[1]
968411136 blocks super 1.2 [2/2] [UU]
bitmap: 2/8 pages [8KB], 65536KB chunk
md3 : active raid1 sda3[0] sdb3[1]
782448640 blocks super 1.2 [2/2] [UU]
bitmap: 0/6 pages [0KB], 65536KB chunk
md2 : active raid1 sda4[0] sdb4[1]
2044592128 blocks super 1.2 [2/2] [UU]
bitmap: 0/16 pages [0KB], 65536KB chunk
md1 : active raid1 sdb2[0] sda2[2]
30928896 blocks super 1.2 [2/2] [UU]
md0 : active raid1 sdb1[0] sda1[2]
509888 blocks super 1.0 [2/2] [UU]
unused devices: