mdstat - all_all_read
Personalities : [raid1] [raid10]
md111 : active raid10 sdj[3] sdi[2] sdh[1] sdg[0]
2000146432 blocks super 1.2 512K chunks 2 near-copies [4/4] [UUUU]
bitmap: 4/15 pages [16KB], 65536KB chunk
md101 : active raid10 sdf[3] sde[2] sdd[1] sdc[0]
2000146432 blocks super 1.2 512K chunks 2 near-copies [4/4] [UUUU]
bitmap: 0/15 pages [0KB], 65536KB chunk
md1 : active raid1 sdb5[1] sda5[0]
937310208 blocks super 1.2 [2/2] [UU]
bitmap: 1/7 pages [4KB], 65536KB chunk
md0 : active raid1 sda1[0] sdb1[1]
248640 blocks super 1.2 [2/2] [UU]
unused devices: