How to mount the 2nd Drive

I have a dedicated server running red hat linux with cpanel/whm. I've had some files and websites set up on the server. Now it comes to the question of how to backup. I have a second hard drive, but I don't have idea how to mount it or set it up for backup purpose. I never did anything on the 2nd drive. Anyone please kindly post instuctions how to mount the 2nd drive to be able to be used as backup drive?

Greatly appreciate it.

 

 

 

 

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