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Rack Unit (RU)
A Rack Unit (RU) is a standardized height measurement used for equipment racks in data centres, equal to 1.75 inches (44.45 mm). This system ensures compatibility between IT equipment from various manufacturers and allows for organized and efficient deployment. Most racks are designed to accommodate equipment in multiples of RUs, such as 42U or 48U configurations. Standardization simplifies installation, maintenance, and scalability, making it easier to plan for future expansions. Rack units are a critical part of data centre infrastructure, balancing space, density, and accessibility in highly optimized environments.
Learn moreRaised Floor
A raised floor in a data centre is an elevated structural platform constructed above the solid foundation of the facility. This design consists of a grid of pedestals and removable panels, creating a concealed space underneath. Raised floors serve multiple critical purposes, including housing electrical cables, cooling ducts, and other infrastructure components. These platforms enhance cooling efficiency by allowing conditioned air to flow directly beneath server racks, optimizing airflow and thermal management. They also simplify maintenance, upgrades, and scalability by providing organized access to vital systems. While alternatives like overhead cabling systems are emerging, raised floors remain a cornerstone in high-density and mission-critical data centre environments.
Learn moreRecovery Time Objective (RTO)
Recovery Time Objective (RTO) is a metric used in disaster recovery planning to determine the maximum acceptable amount of downtime for IT systems following a disruption. It defines the target time within which applications, systems, or processes must be restored to avoid significant impact on business operations. Setting an effective RTO requires evaluating the criticality of IT services, their dependencies, and the associated risks. Achieving a low RTO often involves deploying robust backup systems, high-availability solutions, and rapid recovery protocols. It is a cornerstone of business continuity strategies, ensuring minimal disruption during unexpected outages.
Learn moreRedundancy
Redundancy in data centres refers to the inclusion of duplicate systems or components, such as power supplies, cooling systems, and network connections, to ensure continuous operation during failures or maintenance. Redundancy configurations, such as N+1 or 2N, improve reliability by eliminating single points of failure. This approach enhances uptime, supports compliance with service level agreements (SLAs), and provides resilience for mission-critical workloads.
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