Many DBAs are unsure whether to replicate data by using SQL Server's built-in database replication or the software in their storage system. Unfortunately, there's no definitive answer. Most data centers use both storage replication and database replication because each method fulfills different replication requirements. Storage replication is easy to maintain, and database replication lets you meet specific replication requirements that storage replication can't address. Let's take a look at three of the most important factors to consider when deciding the best combination of database and storage replication for your organization.