Which is the best practice to use when defining grid disks for a Storage Server?

You are going to set up grid disks for your customer. Which is the best practice to use when
defining grid disks for a Storage Server?

A.
Create a grid disk for every table space.

B.
Create two grid disks, one for data and one for recovery.

C.
Create two grid disks, one for tables and one for Indexes.

D.
Create a grid disk for each table.

Explanation:
You have the option to use the disk groups you created using Oracle ASMCA both

for database files and recovery files, or you can choose to use different disk groups for each file
type. Ideally, you should create separate Automatic Storage Management disk groups for data
files and for recovery files.
http://www.filibeto.org/sun/lib/nonsun/oracle/11.2.0.1.0/E11882_01/install.112/e10854/oraclerestar
t.htm