The Problem with snapshots

InformationWeek's Storage Blog: The Problem with Snapshots
http://www.informationweek.com/blog/main/archives/2009/02/the_problem_wit_1.html
...There are solutions. You can leverage a independent virtualization appliance like DataCore's http://www.datacore.com/ SANsymphony that will bring all your storage under one storage software umbrella...