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Total cost of ownership (TCO) is a financial estimate intended to help buyers and owners determine the direct and indirect costs of a product or service. It is a management accounting concept that can be used in full cost accounting or even ecological economics where it includes social costs .
A server farm or server cluster is a collection of computer servers, usually maintained by an organization to supply server functionality far beyond the capability of a single machine. They often consist of thousands of computers which require a large amount of power to run and to keep cool.
Another memory trick to calculate the allowed downtime duration for an "-nines" availability percentage is to use the formula seconds per day. For example, 90% ("one nine") yields the exponent 4 − 1 = 3 {\displaystyle 4-1=3} , and therefore the allowed downtime is 8.64 × 10 3 {\displaystyle 8.64\times 10^{3}} seconds per day.
ProLiant servers were first introduced by Compaq in 1993, succeeding their SystemPro line of servers in the high-end space. After Compaq merged with HP in 2002, HP retired its NetServer brand in favor of the ProLiant brand. [1] HP ProLiant systems led the x86 server market in terms of units and revenue during first quarter of 2010. [2]
Distributed Management Task Force developed SMASH Standard- which includes the Server Management Command Line Protocol specification - is a suite of specifications that deliver architectural semantics, industry standard protocols and profiles to unify the management of the data center. Through the development of conformance testing programs ...
In computer networking, a bare-metal server is a physical computer server that is used by one consumer, or tenant, only. [1] Each server offered for rental is a distinct physical piece of hardware that is a functional server on its own. They are not virtual servers running in multiple pieces of shared hardware.
One of the challenges in the use of a computer cluster is the cost of administrating it which can at times be as high as the cost of administrating N independent machines, if the cluster has N nodes. [23] In some cases this provides an advantage to shared memory architectures with lower administration costs. [23]
Newer server rack cabinets come with adjustable mounting rails allowing the user to place the rails at a shorter depth if needed. There are a multitude of specialty server racks including soundproof server racks, air-conditioned server racks, NEMA-rated, seismic-rated, open frame, narrow, and even miniature 19-inch racks for smaller applications.
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