Hi,
I have a soft raid 10 on my server, and 1 disk failed, i replaced it and re synced it using mdam command
At the beginning :
:~$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid0 md1[0] md2[1]
11720778752 blocks...