The reviews have been good, but so far storage virtualization hasn’t exactly been a box-office smash. It’s more akin to that old TV commercial where the kids don’t want to try some healthy-looking cereal so they get the little brother to try it. Then when he empties his bowl, they want some, too. If you still have doubts about the benefits of storage virtualization or you want re-enforce your experiences, read this guide for expert advice on updating your storage system with virtualization. Covered here are the pros and cons of three architectures, a buying guide and vendor comparisons, a breakdown on how storage virtualization relates to disaster recovery, and a list of vendor resources.