1. A method comprising: allocating a mass-storage resource to an undeployed logical server so that, while undeployed, said logical server specifies mass-storage information identifying said mass-storage resource in association with a network identity of said logical server, said logical server being stored in a logical-server database, said database storing plural logical servers, each of said logical servers specifying a network identity and resource requirements for a real server, each of said logical servers being configured to serve as a management abstraction for a workload container in the form of a real server, said logical servers being deployable to but not being respective real servers, said real servers including physical servers and virtual servers, said logical servers having alternative deployed and undeployed states; and deploying said logical server to a real server meeting said resource requirements when said mass storage resources are allocated to said logical server.