Requirements for modern data centers a data center must keep high standards for assuring the integrity and functionality of its hosted computer environment Effective data center operation requires a balanced investment in both the facility and the housed equipment Information security is also a concern and for this reason a data center has to offer a secure environment 2021/2/8
Requirements for modern data centers A data center must keep high standards for assuring the integrity and functionality of its hosted computer environment. Effective data center operation requires a balanced investment in both the facility and the housed equipment. Information security is also a concern, and for this reason a data center has to offer a secure environment 2021/2/8 6
Data center classification Tier Level Requirements Single non-redundant distribution path serving the IT equipment 1 Non-redundant capacity components Basic site infrastructure guaranteeing 99.671% availability Fulfils all Tier 1 requirements Redundant site infrastructure capacity components guaranteeing 99.741% availability Fulfils all Tier 1 Tier 2 requirements Multiple independent distribution paths serving the IT equipment 3 .All IT equipment must be dual-powered and fully compatible with the topology of a site's architecture Concurrently maintainable site infrastructure guaranteeing 99.982% availability .Fulfils all Tier 1, Tier 2 and Tier 3 requirements All cooling equipment is independently dual-powered, including chillers and Heating, Ventilating and Air Conditioning(HVAC) systems Fault tolerant site infrastructure with electrical power storage and distribution facilities guaranteeing 99.995% availability 2021/2/8
Data center classification Tier Level Requirements 1 •Single non-redundant distribution path serving the IT equipment •Non-redundant capacity components •Basic site infrastructure guaranteeing 99.671% availability 2 •Fulfils all Tier 1 requirements •Redundant site infrastructure capacity components guaranteeing 99.741% availability 3 •Fulfils all Tier 1 & Tier 2 requirements •Multiple independent distribution paths serving the IT equipment •All IT equipment must be dual-powered and fully compatible with the topology of a site's architecture •Concurrently maintainable site infrastructure guaranteeing 99.982% availability 4 •Fulfils all Tier 1, Tier 2 and Tier 3 requirements •All cooling equipment is independently dual-powered, including chillers and Heating, Ventilating and Air Conditioning (HVAC) systems •Fault tolerant site infrastructure with electrical power storage and distribution facilities guaranteeing 99.995% availability 2021/2/8 7
Physical layout e a data center can occupy one room of a building, one or more floors or an entire building 2021/2/8
Physical layout A data center can occupy one room of a building, one or more floors, or an entire building. 2021/2/8 8
Physical layout(Cont The physical environment of a data center is gorously controlled Air conditioning is used to control the temperature and humidity in the data center Modern data centers try to use economizer cooling, where they use outside air to keep the data center cool 2021/2/8
Physical layout (Cont.) The physical environment of a data center is rigorously controlled Air conditioning is used to control the temperature and humidity in the data center. Modern data centers try to use economizer cooling, where they use outside air to keep the data center cool. 2021/2/8 9
Physical layout(Cont Backup power consists of one or more uninterruptible power supplies diesel generators of the electrical systems, are typical/y futr cnts To prevent single points of failure, all elem duplicated Data centers typically have raised flooring made up of 60 cm(2 ft) removable square tiles 2021/2/8
Physical layout (Cont.) Backup power consists of one or more uninterruptible power supplies diesel generators . To prevent single points of failure, all elements of the electrical systems, are typically fully duplicated. Data centers typically have raised flooring made up of 60 cm (2 ft) removable square tiles. 2021/2/8 10