Arcserve FSD

Hi,
I have 2 doubts in arcserve
1.how can we give a name to a backup?
eg: w** server is there and it has 2 drives(c,d). I’m taking a differentila backup of d drive daily . so the backup file name should be like w**_d_differentila.

2. we have 10 webservers and 2 backup server.
we need to create 10 FSD for storing the backup files?
eg:w** server backup server:bak**
i created a fsd with a name bak**\ k drive\ w**\weekly\

for every server i need to create like the above once?

Please help me…