Because running several virtual servers on one physical machine can be tricky for administrators, data storage and security provider Symantec introduced a new server designed to work in clusters and supply native support to data centers running VMware's trendy virtual-server software. <A HREF="http://www.eweek.com/article2/0,1895,2052952,00.asp?kc=EWINFEMNL110806EOAD">Veritas Cluster Server 5.0</A> for VMware ESX automates remote failover for disaster recovery and provides management of clustered virtual and physical servers, a company spokesperson said. It runs on Windows, Linux and Unix platforms.