[CentOS] software raid 1 failure

Fri Jan 27 15:00:05 UTC 2017
Gordon Messmer <gordon.messmer at gmail.com>

On 01/26/2017 05:27 PM, Jerry Geis wrote:
> I tried many things to mount it, to mdadm add it but
> could not get it to cooperate.

You probably want to "mdadm --assemble --scan".  If there were logical 
volumes on it, you'd also want to "lvchange -a y" afterward.