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Dynamic logical partitioning involves:
Partitioning server resources
The ESX Server acts as the host operating system, provides dynamic logical partitions to hold other operating systems, and virtualizes most system resources, including processors, memory, network capacity, and disk controllers.
Isolating server resources
With ESX Server, each hosted operating system thinks it owns the entire computer, yet it sees only the resources that the administrator (through ESX Server) assigns to it. As shown in Figure
Partitions
Windows 2000
Windows NT EE
Red Hat Advanced Server
SuSE Linux Enterprise
NetWare
Virtual layer
Physical layer
VMware ESX Server
Server hardware
Figure 3-11 ESX Server resides between the server hardware and server resources
Managing server resources
The ESX Server’s advanced resource management controls allow you to guarantee service levels. CPU capacity can be allotted on a
Chapter 3. Planning 99