[root@root:/mnt]# mdadm -D /dev/md127 /dev/md127: Version : 1.2 Creation Time : Sun Oct 22 21:16:15 2017 Raid Level : raid5 Array Size : 34185475072 (32601.81 GiB 35005.93 GB) Used Dev Size : 4883639296 (4657.40 GiB 5000.85 GB) Raid Devices : 8 Total Devices : 8 Persistence : Superblock is persistent Intent Bitmap : Internal Update Time : Mon Oct 23 14:39:54 2017 State : clean, degraded, recovering Active Devices : 7 Working Devices : 8 Failed Devices : 0 Spare Devices : 1 Layout : left-symmetric Chunk Size : 512K Rebuild Status : 21% complete Name : root.rhcp011235.me:0 (local to host root.rhcp011235.me) UUID : 7162379e:b5ba5396:8820d92d:d236f6d6 Events : 14957 Number Major Minor RaidDevice State 0 8 0 0 active sync /dev/sda 1 8 16 1 active sync /dev/sdb 2 8 32 2 active sync /dev/sdc 3 8 48 3 active sync /dev/sdd 4 8 64 4 active sync /dev/sde 5 8 80 5 active sync /dev/sdf 6 8 96 6 active sync /dev/sdg 8 8 112 7 spare rebuilding /dev/sdh [root@root:/mnt]#