What are the levels of data centers?
Below are the listed data center redundancy tiers as outlined by the Uptime Institute with their data center tier classification system.
- Tier 1 Data Center (Basic capacity)
- Tier 2 Data Center (Redundant capacity components)
- Tier 3 Data Center (Comprehensive redundancy)
- Tier 4 Data Center (Fault tolerant)
What is a tier 2 datacenter?
Tier 2: A Tier 2 data centre has a single path for power and cooling and some redundant and backup components. It has an expected uptime of 99.741% (22 hours of downtime annually). It has an expected uptime of 99.982% (1.6 hours of downtime annually).
What are tiers in data center?
Data centre tiers are a system used to describe specific kinds of data centre infrastructure in a consistent way. Tier 1 is the simplest infrastructure, while Tier 4 is the most complex and has the most redundant components. Each tier includes the required components of all the tiers below it.
What is a Tier 3 facility?
A Tier 3 data center is a location with redundant and dual-powered servers, storage, network links and other IT components. It is one of the most commonly used data center tiers, where IT components are powered with multiple, active and independent sources of power and cooling resources.
What is a Tier 5 data center?
Tier 5 Platinum not only encompasses the resiliency and redundancy in other data center ratings systems, but also evaluates more than 30 additional key elements, such as long-term power system capabilities, the number of available carriers, zero roof penetrations, the location of cooling system lines in or above the …
Is Azure a Tier 4 data center?
From generation 1 the datacenters have been designed to meet the customer SLAs and service needs of 99,999%. Given that a tier 4 datacenter is designed towards a customer SLA and service need of 99,995%, we can state that an Azure Datacenter exceeds the expectations of a tier 4 datacenter.
Is Equinix a Tier 4 data center?
As to the specifications for the facility, Equinix MI1 is a six-story building with 750,000 square feet of purpose build data center space. It is classified as a Tier IV data center with fully redundant power (N+1) and cooling infrastructure (2 x N+1).
What is a Tier 1 data center?
A Tier 1 data center is a type of data center that has only one source of servers, network links and other components. It is one of the simplest forms of data center tiers and lacks any redundant or backup supply of data center infrastructure components and operational services. A Tier 1 data center is also known as a Level 1 data center.
What is Level 3 data center?
According to the pdf, Tier 3 data centers are “composed of multiple active power and cooling distribution paths, but only one path active, has redundant components, and is concurrently maintainable, providing 99.982% availability.” The pdf goes into more detail and compares all four tiers.
What is data center tiers?
A data center tier, or level, in other words, is used for differentiating key data center requirements, the focus being redundant components, cooling, load distribution paths, and other specifications. Each of these tiers can be defined precisely.