MYSQL QUERY

Hello,
I have query regarding MySql DATABASE,
i have install opmanager with licence 1000 device ALL is install well with version 7205, Now my problem is i have installed opmanger on the server where it it is 50 Gb available space i have like 800 devices on the network with more then 20000 interfacecs.
so i have configurd LUN 300GB "SAN" disk for my server now i want my aplication to save the database to this disk and not on my local server. how can i map my aplication so that it can save data base to SAN disk. i m suing MYSQL database which comes bundeld with opmanager.

thanks in advanced,
arpit