Capacity planning Definitions
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I
IT showback
An IT showback system tracks the data center utilization rates of an organization’s business units or end users.
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M
memory paging
Memory paging is a memory management technique for controlling how a computer's memory resources are shared.
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P
PlateSpin
PlateSpin is a company that provides tools to help with server virtualization, including physical-to-virtual migrations and server workload management.
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V
virtual file system (VFS)
A virtual file system (VFS) is programming that forms an interface between an operating system's kernel and a more concrete file system.
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virtual hard drive
A virtual hard drive file is a container file that acts similar to a physical hard drive.
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virtual memory ballooning
Virtual memory ballooning allows a physical host to recapture unused memory on its guest virtual machines and allocate the resource where needed.
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virtual storage appliance (VSA)
A virtual storage appliance (VSA) is a storage controller that runs on a virtual machine(VM) to create shared storage without the cost of additional hardware.
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virtualization
Virtualization is the creation of a virtual -- rather than actual -- version of something, such as an operating system (OS), a server, a storage device or network resources.