database schema help

[Mag0007]

I am planning to write a application, which will collect my sar (

http://www.computerhope.com/unix/usar.htm)

data and place it in a rdbms.

My question is, I would like to group my data like this:
server name->date->cpu data;server name->date->i/o data, etc..etc...

Any suggestions on how I can model this? Has anyone done this before?

TIA