We also use ZFS to store the website files and database, though this is a far simpler setup. We have a single dataset, dtechwebsite, that stores all of the website files and another, mysql, that stores the database for the WordPress portions of the site. These are located on ist-49 and backed up to occ-ist-8. A listing of the datasets looks like this:
| pool | 6.80G | 31.7G | 19K | none |
| pool/dtechwebsite | 6.62G | 31.7G | 6.14G | /var/www/html |
| pool/mysql | 116M | 31.7G | 34.1M | /var/lib/mysql |