Overview of Veritas Disaster Recovery Advisor (DRA):

• Detects HA/DR (high availability/disaster recovery) issues such as config drift, storage config, DB setup, optimization issues within and across multiple data centers
• 3000+ host and storage vulnerabilities. The vulnerability list set was assembled over 3 years of development and testing
• NO AGENTS, easy to install (1 hr), easy to maintain (automatically updated), and easy to use (takes 1 hr to learn).
• Installed on one Windows box, and from this box, DRA scans 1000s of servers (Unix, Linux, Windows) and 100,000s of storage devices throughout the multiple data centers.

DR Advisor product web page: 
http://www.symantec.com/business/disaster-recovery-advisor

** Symantec updates the DR Advisor vulnerability database every two weeks via the internet. If the DRA server is not connected to the internet, the customer can download the update file from here.