{"id":9809,"date":"2012-04-11T17:45:51","date_gmt":"2012-04-11T17:45:51","guid":{"rendered":"https:\/\/serverlift.com\/?p=4091"},"modified":"2025-11-03T00:51:38","modified_gmt":"2025-11-03T00:51:38","slug":"uptime-data-center-tier-standards","status":"publish","type":"post","link":"https:\/\/serverlift.com\/sv\/blog\/uptime-data-center-tier-standards\/","title":{"rendered":"Uptime Data Center Tier Standards"},"content":{"rendered":"<h1 style=\"text-align: center;\"><span style=\"color: #000000;\">What Tier Standard Does Your Data center Live up to?<\/span><\/h1>\n<p>&nbsp;<\/p>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\">The Uptime data center tier standards are a standardized methodology used to determine availability in a facility. The<em> Uptime Institute<\/em> established the data center tier system, which offers companies a way to measure their performance and return on investment (ROI). The standards consist of a four-tiered scale, with Tier 4 being the most robust.<\/span><\/p>\n<p style=\"text-align: left;\" align=\"center\"><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">De<em> Uptime Institute<\/em> offers a certification process in order to address the issue of companies advertising inaccurate interpretations of the standards and offer certification that is unverified. The beginning stage of the certification process involves submitting<\/span> <span style=\"color: #000000;\"><a href=\"https:\/\/serverlift.com\/sv\/data-center-lifts\/sl-500fx\/\" rel=\"noopener\">data center design<\/a><\/span> <span style=\"color: #000000;\">documents and having them reviewed by licensed<em> Uptime Institute<\/em> engineers. The next step involves site visitations by Uptime employees to determine if the data center facility has been built or expanded according to the design that was submitted. The Uptime Institute has also released a grading system for operational sustainability to better improve the tier standards. The tiers focus on the how the data center facility is designed, and the operational sustainability grades evaluate how well the facility is operating.<\/span><\/span><\/p>\n<p style=\"text-align: left;\" align=\"center\"><span style=\"color: #000000;\"><strong style=\"font-size: 1.5em;\">Tier I: Basic Data Center Infrastructure<\/strong><\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>The fundamental requirement(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">A Tier I basic data center must have non-redundant capacity components and a single, non-redundant distribution path servicing the computer equipment.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The performance confirmation test(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">Work that is planned will require most or all of the site infrastructure systems to be shut down affecting computer equipment, systems, and end users.<\/span><\/li>\n<li><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">Unplanned outages, failure or unplanned downtime of any capacity system, capacity component, or distribution element will impact the <a href=\"https:\/\/serverlift.com\/sv\/\" rel=\"noopener\">computer equipment<\/a><\/span>.<\/span><\/li>\n<li><span style=\"color: #000000;\">There must be enough capacity to meet the needs of the facility.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The operational impact(s): <\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">The site is susceptible to disruption from both planned and unplanned activities. Operation failures or spontaneous failures of site infrastructure components will cause a data center disruption,<\/span><\/li>\n<li><span style=\"color: #000000;\">To safely perform necessary preventive maintenance and repair work, the facility infrastructure must be completely shut down on an annual basis. An urgent situation may require more frequent shutdowns. If the data center fails to regularly perform maintenance he risk of unplanned disruption as well as the severity of the consequential failure will significantly increase. <\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>Appropriate for firms such as:<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">Small businesses where information technology primarily enhances internal business process.<\/span><\/li>\n<li><span style=\"color: #000000;\">Companies whose principal use of a web-presence is as a passive marketing tool.<\/span><\/li>\n<li><span style=\"color: #000000;\">Internet-based start-up companies without finically enforceable customer quality-of-service commitments.<\/span><\/li>\n<\/ul>\n<h2><\/h2>\n<h2><span style=\"color: #000000;\"><strong>Tier II: Redundant Capacity Components Site Infrastructure<\/strong><\/span><\/h2>\n<h3><span style=\"color: #000000;\"><strong>The fundamental requirement(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">A Tier II data center must have redundant capacity components and a single, non-redundant distribution path serving the computer equipment.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The performance confirmation test(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">The redundant capacity components allow them to be removed from service on a planned basis, and this won\u2019t cause any of the computer equipment to be shut down.<\/span><\/li>\n<li><span style=\"color: #000000;\">The removal of distribution paths from service for maintenance or other activity requires shut down of the computer devices.<\/span><\/li>\n<li><span style=\"color: #000000;\">An outage that is unplanned or the occurrence of any capacity system failure or distribution element will impact the computer equipment. An unplanned capacity component failure may impact the computer equipment.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The operational impact(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">The facility will be susceptible to disruption from both planned activities and unplanned events. The data center may also be disrupted by operation errors or spontaneous failures of site infrastructure components may.<\/span><\/li>\n<li><span style=\"color: #000000;\">The facility infrastructure requires a complete shut down every year to safely perform preventative maintenance and perform any repairs that are needed. Urgent situations may require more frequent shutdowns. Without regular maintenance, the risk of unplanned disruption as well as the severity of the consequential failure increases significantly.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>Appropriate for firms such as:<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">A call centers where multiple sites are available.<\/span><\/li>\n<li><span style=\"color: #000000;\">Internet-based companies without serious financial penalties for quality-of-service commitments.<\/span><\/li>\n<li><span style=\"color: #000000;\">Small businesses whose information technology requirements are mostly limited to traditional normal business hours, allowing system shutdown during off hours.<\/span><\/li>\n<li><span style=\"color: #000000;\">Scientific research, e.g., chip design, oil exploration, seismic processing, or long-term weather modeling, which typically does not have to provide online or real-time service deliveries.<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #000000;\"><strong>Tier III: Concurrently Maintainable Site Infrastructure<\/strong><\/span><\/h2>\n<h3><span style=\"color: #000000;\"><strong>The fundamental requirement(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">A Concurrently Maintainable data center must have redundant capacity components and multiple independent distribution paths that serve the computer equipment. Generally, only one distribution path serves the computer equipment at any time.<\/span><\/li>\n<li><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">All<\/span> <span style=\"color: #000000;\"><a href=\"https:\/\/serverlift.com\/sv\/data-center-lifts\/sl-500x\/\" rel=\"noopener\">IT-utrustning<\/a> must be dual powered and installed properly to be compatible with the topology of the site\u2019s architecture.<\/span><\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The performance confirmation test(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\"><strong>Each and every<\/strong> capacity component and element in the distribution paths can be removed from service on a planned basis without impacting any of the computer equipment.<\/span><\/li>\n<li><span style=\"color: #000000;\">An outage or failure of any capacity system that is not planned will impact the computer hardware.<\/span><\/li>\n<li><span style=\"color: #000000;\">An outage or failure of a capacity component or distribution element that is unplanned may impact the computer hardware.<\/span><\/li>\n<li><span style=\"color: #000000;\">There must be a permanent sufficient amount of capacity to meet the needs of the site when redundant components have been removed from the service. <\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The operational impact(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">The site is susceptible to disruption from unplanned activities. A computer disruption can be caused operational errors or spontaneous failures of site infrastructure components.<\/span><\/li>\n<li><span style=\"color: #000000;\">Planned site infrastructure maintenance can be performed by using the redundant capacity components and distribution paths to safely work on the remaining equipment.<\/span><\/li>\n<li><span style=\"color: #000000;\">In order to establish Concurrent Maintainability of the critical power distribution system between the UPS and the computer equipment, Tier III sites require all computer hardware have dual power inputs as defined by the Institute\u2019s Fault Tolerant Power Compliance Specification, Version 2.0 Transfer devices, such as point-of-use switches, must be incorporated from computer equipment that does not meet this specification.<\/span><\/li>\n<li><span style=\"color: #000000;\">There can be an increased risk of disruption during maintenance activities. (This maintenance condition does no defeat the Tier rating achieved in normal operations.)<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>Appropriate for firms such as:<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">Companies that support internal and external clients 24&#215;7, such as service centers and help desks, but where short periods with limited service due to a site failure can be acceptable.<\/span><\/li>\n<li><span style=\"color: #000000;\">Businesses that have IT resources that support automated business processes, so the impact on clients of system shutdowns can be managed or accepted.<\/span><\/li>\n<li><span style=\"color: #000000;\">Companies that span multiple time zones with clients and employees spanning regional areas.<\/span><\/li>\n<li><span style=\"color: #000000;\">Internet-based companies or co-location providers that have quality-of-service commitments with serious financial ramifications.<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #000000;\"><strong>Tier IV: Fault Tolerant Site Infrastructure<\/strong><\/span><\/h2>\n<h3><span style=\"color: #000000;\"><strong>The fundamental requirement(s):<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">A Fault Tolerant data center will have multiple, independent, physically systems that are isolated and each have redundant capacity components and multiple, independent, diverse, active distribution paths simultaneously serving the computer hardware.<\/span><\/li>\n<li><span style=\"color: #000000;\">The data center must have IT hardware that is dual powered and properly installed to have compatibility with the topology of the site\u2019s architecture.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The performance confirmation test(s): <\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">A single failure of any capacity system, capacity component, or distribution element will not have an effect on the computers.<\/span><\/li>\n<li><span style=\"color: #000000;\">There is an automatic response by the system (self-heals) to a failure in order prevent further impact to the facility.<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Each and every<\/strong> capacity component and element in the distribution paths has the ability be removed from service on a planned basis without affecting any of the computer equipment.<\/span><\/li>\n<li><span style=\"color: #000000;\">Complementary systems and distribution paths must be physically isolated from one another (compartmentalized) to prevent any single event from simultaneously impacting both systems or paths.<\/span><\/li>\n<li><span style=\"color: #000000;\">Continuous Cooling is required.<\/span><\/li>\n<li><span style=\"color: #000000;\">There must be sufficient capacity to meet the needs of the site when redundant components or distribution paths have been removed from service.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>The operational impact(s): <\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">The facility will not be susceptible to disruption from a single unplanned event\/<\/span><\/li>\n<li><span style=\"color: #000000;\">The facility will not be susceptible to disruption from any planned work activities.<\/span><\/li>\n<li><span style=\"color: #000000;\">In order to establish Concurrent Maintainability of the critical power distribution systems between the UPS and the computer equipment, Tier IV sites require all computer hardware to have dual power inputs as defined by the Institute\u2019s Fault Tolerant Power Compliance Specification, Version 2.0 Transfer devices such as point-of-use switches must be incorporated for computer equipment that does not meet the specification.<\/span><\/li>\n<li><span style=\"color: #000000;\">The site infrastructure maintenance can be performed by using the redundant capacity components and distribution paths to safely work on the remaining equipment. <\/span><br \/>\n<span style=\"color: #000000;\"> -During maintenance activities, the risk of disruption may be elevated. <\/span><br \/>\n<span style=\"color: #000000;\"> -During maintenance activity where one path is shut down, the computer equipment is exposed to an increased risk of disruption should a failure occur on the remaining paths. This maintenance condition does not defeat the Tier rating achieved in normal operations.<\/span><br \/>\n<span style=\"color: #000000;\"> -Operation of the emergency power off (EPO), fire suppression, or fire alarm feature may cause a data center disruption.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>Appropriate for firms such as:<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">Companies with an international market presence delivering \u201c24 by forever\u201d services in a client-facing market space where there is high competition or where processes are continuous (international in-and outbound wire transfers, etc.).<\/span><\/li>\n<li><span style=\"color: #000000;\">Business that are based on financial settlement processes, market transactions, or E-commerce.<\/span><\/li>\n<li><span style=\"color: #000000;\">Large, global companies where client access to applications and employee exploitation of information technology is a competitive advantage.<\/span><\/li>\n<li><span style=\"color: #000000;\">Internet-based companies or co-location providers that have to commit to quality-of-service and would have serious financial ramifications.<\/span><\/li>\n<\/ul>\n<h4><span style=\"color: #000000;\"><strong>The levels also describe the availability of data from the hardware at a location as follows:<\/strong><\/span><\/h4>\n<ul>\n<li><span style=\"color: #000000;\"><strong>Tier 1:<\/strong> Guaranteeing<strong> 99.671%<\/strong> availability guaranteed.<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Tier 2:<\/strong> Guaranteeing <strong>99.741%<\/strong> availability guaranteed.<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Tier 3:<\/strong> Guaranteeing <strong>99.982%<\/strong> availability guaranteed.<\/span><\/li>\n<li><span style=\"text-align: left; color: #000000;\"><strong>Tier 4:<\/strong> Guaranteeing <strong>99.995%<\/strong> availability guaranteed.<\/span><\/li>\n<\/ul>\n<div style=\"text-align: center;\"><span style=\"color: #000000;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-6490 size-full\" title=\"Uptime_Data_Center_Tiers\" src=\"\/wp-content\/uploads\/2013\/08\/Uptime_Data_Center_Tiers.png\" alt=\"Uptime Data Center Tiers\" width=\"600\" height=\"399\" \/><\/span><\/div>\n<div><\/div>\n<p>&nbsp;<\/p>\n<div><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">Om du g\u00f6r en migrering av ett datacenter, h\u00e4r \u00e4r en hj\u00e4lpsam artikel om<\/span> <span style=\"color: #000000;\"><a href=\"https:\/\/serverlift.com\/sv\/blog\/tech-liftdata-center-relocationmigration-checklist\/\" rel=\"noopener\">steg f\u00f6r migrering av datacenter<\/a><\/span>.<\/span><\/div>","protected":false},"excerpt":{"rendered":"<p>What Tier Standard Does Your Data center Live up to? &nbsp; The Uptime data center tier standards are a standardized methodology used to determine availability in a facility. The Uptime Institute established the data center tier system, which offers companies a way to measure their performance and return on investment (ROI). The standards consist of [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":17109,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":"","_wpscppro_dont_share_socialmedia":null,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"default","_twitter_share_type":"default","_linkedin_share_type":"default","_pinterest_share_type":"default","_linkedin_share_type_page":"","_instagram_share_type":"default","_medium_share_type":"default","_threads_share_type":"default","_google_business_share_type":"default","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[78],"tags":[59],"class_list":["post-9809","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-data-center"],"yoast_head":"<!-- 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