Daily backup??

What is most common way to back up server's file?

1. By tape, rotate daily?

or

2. Second HDD?

If I choose backup by tape, does it use any bandwidth while backing up those files?


One other thing. I am currently running a server with 20GB HDD & WHM. If I do run out of space, can I just simply add a second HDD to keep everything going?

 

 

 

 

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