We have an SQL 2005 database backend for our website, currently about 10GB in size. There are a lot more reads than writes, though I don\'t have the exact statistics.
We
btw, where I work, they have a high end san, that does a tablescan in about 2 minutes. I broke up the drives into simple raid 1 sets, and let sql server handle the striping...not the san. 2 minutes dropped to 45 seconds.
there are other articles on the net about this...its very hard to get raid 'true believers' to accept this, thats why I'm so emphatic, about this point.