National Conference on Building Commissioning: May 2-4, 2007 E.P Rafter: Data Center Performance Standards Importance … 1 The Data Center Tier Performance Standards and Their Importance to the Owner’s Project Requirements Edward P Rafter, P.E. CxAP Tier IV Consulting Group Synopsis
Data centers are classified into 4 tiers on the basis of several performance criteria: Tier-1: A guarantee of 99.671% availability (28.8 hours of downtime per year) Tier-2: A guarantee of 99.749% availability (22 hours of downtime per year) Tier-3: A guarantee of 99.982% availability (1.6 hours of downtime per year) Data center tier standards create a sense of consistency of what can be expected from a data center’s capabilities and level of service based on which tier requirements it meets. For quite some time, there have been four different tiers in the ranking system, though Tier 5 is emerging with newer, stronger requirements which we will also explain. The Data Center Site Infrastructure Tier Standard: Topology defines the requirements and benefits of four distinct Tier classifications for data center infrastructure. Each Tier aligns with a specific function in the business world and sets the appropriate criteria for power, cooling, maintenance, and capability to withstand a fault. Tier 4 Data Center: A Tier 4 data center is an enterprise class data center tier with redundant and dual-powered instances of servers, storage, network links and power cooling equipment. It is the most advanced type of data center tier, where redundancy is applied across the entire data center computing and non-computing infrastructure. A Tier
Jun 03, 2017
Data Center Checklist The use of colocation and services has continued to increase, rapidly becoming the solution of choice for organizations requiring an efficient, secure, cost-effective way to manage the IT infrastructure. Not all data centers are created equal. You need to know what to look for. First and foremost, colocation service and Data Center Site Infrastructure Tier Standard: Topology 1.4 Related Publications Accredited Tier Designer Technical Paper Series Further information can be found at www.uptimeinstitute.com. 2. Site Infrastructure Tier Standards 2.1 Tier I: Basic Site Infrastructure 2.1.1 The fundamental requirement: a) A Tier I basic data center has non-redundant capacity components and a single,
May 12, 2016
Tier 3 data center specifications checklist A data center built according to tier 3 data center specifications should satisfy two key requirements: redundancy and concurrent maintainability. It requires at least n+1 redundancy as well as What Datacenter Tier - Netmagic Solutions A Tier II data center has redundant components and a single, non-redundant distribution path serving the computer equipment The site is susceptible to disruption from both planned activities and unplanned events. Operational (Human) errors of site infrastructure components will cause a data center disruption. Data Center Tier Levels Explained – What is Tier 1 / Tier Tier 1 data center is the lowest tier in the Tier Standard. It has a single path for power and cooling. … Tier 3 and Tier 4 Data Centers| Nlyte Software