What You Should Consider When Sizing a Data Center Right

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The size of your data center depends on the size of your organization and its resources. To determine the appropriate size and density for your data center, consider the technology you have and your budget for the facilities.

As server consolidation technologies such as virtualization and more advanced processors continue to develop, many organizations have moved away from measuring the size of their data centers by physical space and measuring size by density. . This density determines the amount of energy consumed by your data center. You can determine the size and density of your data center by knowing its compute space and peak load in kilowatts. AFCOM classifies data center density into four categories: low, medium, high and extreme.

While the same area can now accommodate increasing amounts of servers and storage arrays, you still need to consider the physical size of your data center. Square footage is factored into layout discussions and can contribute significantly to the density issue. Use it to estimate the capacity and utilization of a given data center room.

What’s the right size data center for you?

Different types of organizations and different industries require different sizes and densities of data centers. Various factors can affect the sizing needs of your data center, from server configurations to network architectures, as well as the age of your hardware. For example, if you are still using a lot of legacy technologies, consider a smaller data center with a more traditional network and server architecture.

When scaling your data center, you might consider increasing your density by consolidating your servers and introducing new processing technologies. This allows you to maintain the same physical footprint with additional computing capacity.

Why is the size of the data center important?

Large data centers are no more efficient than small ones and vice versa. No matter the size of your data center, efficiency should be your top priority in designing.

Larger data centers have a few advantages over smaller ones, including scalability and some tools. In large data centers, you can implement data center infrastructure management (DCIM) tools to monitor and manage your facilities. DCIM means including additional peripherals and software in your data center, which means increased workload for staff. This makes DCIM more suitable for larger data centers that have the resources to implement it and where the investment can pay off.

For smaller data centers, the introduction of virtualization can increase efficiency. Virtualization reduces space, power, and cooling requirements, and simplifies the migration of workloads, data protection, and other server tasks.

Sizing of an inverter

The size of your data center determines its power consumption. You can determine the size of your uninterruptible power supply (UPS) by measuring a handful of metrics. AC power sources are more efficient than DC for power providers, but AC power has reactance, which reduces the amount of usable power available.

To calculate the power requirement of your data center, use the formula watts = volts x amps x power factor, or power factor is the ratio between the available and usable power and the total power delivered. Once you’ve determined your power needs, plan to run your inverter at around 80% of your electrical capacity. For example, if you have a planned load of 80 kW, you should use a 112.5 kW system with a power factor of 0.9. This gives you some leeway in case you occasionally need more horsepower and also gives you the option of installing a duplicate power system.

Correctly configure server racks

The correct configuration of the server rack depends on the size of your data center. To avoid server rack issues, consider the size of your racks as well as the size of your space. Most racks can accommodate servers up to 19 inches wide, but you should also consider the height and depth of the server racks when planning your space usage. Some server racks leave room for power and network cabling, but others do not.

Rack dimensions can vary from vendor to vendor, so make sure you know the exact width, height, and depth of your server racks and understand how to fit them into your floor plan. Even slightly oversized racks can disrupt air flow and containment, especially in a data center setup with a tight and specific setup.


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