How to re-add a RAID-10 failed drive on Ubuntu?
- by thiesdiggity
I have a problem that I can't seem to solve. We have a Ubuntu server setup with RAID-10 and two of the drives dropped out of the array. When I try to re-add them using the following command:
mdadm --manage --re-add /dev/md2 /dev/sdc1
I get the following error message:
mdadm: Cannot open /dev/sdc1: Device or resource busy
When I do a "cat…