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Bookmark or Share- Data Center Tier Certification - Uptime InstituteTier III. Concurrently Maintainable. Each and every capacity component and distribution path in a site can be removed on a planned basis for maintenance or replacement without impacting operations. The site is still exposed to an equipment failure or operator error. Tier IV. Fault Tolerant.
- Uptime Institute's data center tier standards - TechTargetData center tiers are a system created by Uptime Institute LLC to describe the availability of infrastructure resources in a facility. A division of 451 Group, the Uptime Institute is the standard for this certification effort, which defines what is required to ensure that data centers meet an organization's business demands.
- Uptime Institute Tier Classification System - Uptime InstituteOur data center classifications are divided into four Tiers that match a particular business function and define criteria for maintenance, power, cooling and fault capabilities. The Tiers are progressive, so each Tier incorporates the requirements of the lower Tiers.
- Data Center Tiers Classification Explained: (Tier 1, 2, 3, 4) - phoenixNAPTier 3: A data center with multiple paths for power and cooling, and redundant systems that allow the staff to work on the setup without taking it offline. This tier has an expected uptime of 99.982% per year. Tier 4: A completely fault-tolerant data center with redundancy for every component.
- Nitrogen Oxides (NOx) – Regulation 13 - IMOThe Tier III controls apply only to the specified ships while operating in Emission Control Areas (ECA) established to limit NOx emissions, outside such areas the Tier II controls apply. In accordance with regulation 13.5.2, certain small ships would not be required to install Tier III engines.
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