A Bit of theory
The effective way to centralise servers and other active elements requests a change in the methods of cooling and protecting this equipment. The solution is – a data centre.
What is a data centre?Modern data centres are significantly different from early versions of this method of installing servers and other equipment. Original data centres were founded on the backbone of Internet connections from the 1990s. Large data halls were built primarily as a space perfectly protected in terms of security, uninterrupted power supply and with adequate capacity of communication lines, mostly optical. The individual cabinets were then leased to users for their technical and Internet applications. These centres almost always had raised floors with high loading, beneath which were located all cabling and cooling systems. Cooling was mostly centralised so the entire room was air conditioned regardless of the distribution of the thermal load and without the ability to effectively regulate cooling for each cabinet or the data hall.
With the development of telecommunications, with new protocols and an increase in the transmission line capacity high-speed connections have become available without the need to place the device directly onto the backbone connections. As well, another revolution took place on another front - processing power and storage capacity. Processor performance grew dramatically, multi-core processors began to appear along with new operating systems. Hard drives and other storage media multiplied in their capacity.
Server operating systems began to use available resources for sharing multiple, simultaneously running applications and it was then only a small step to sharing one physical computer for running multiple operating systems simultaneously - to virtualisation. The majority of companies now run their applications either on their own servers dedicated to specific applications or using the services of the ever popular virtualisation and cloud-hosting. Both of these methods require a high density of installed computing power. Because running businesses and institutions is a critical application, it requires powerfail safety, physical protection and also controlled cooling. All these aspects are covered by the concept of a data centre. Over time the standard was set for the design and construction of data centres. Cabinets are placed in groups, usually in the form of two rows spaced 1,200 mm apart (two standard raised floor tiles). The aisle between the cabinets is then roofed and closed at the ends by sliding doors. For really large data centres, dividing doors can also be found within these units, which split them down into smaller sections. The main product of our company‘s data centre solution is the RDA cabinet with a load capacity of 1,800 kg in a version adapted for the construction of data centres. Other necessary components such as ceiling panels of various types, including sliding doors, as alternative self-closing etc., make a complete modular system. We also offer a complete range of raised floors for installations that allow their use. Floor loading is particularly critical in the rooms of future data centre. In cases where it is not possible to use the raised floor (low room height, low permissible floor loading and so on) we can offer an alternative, in the form of In-Row cooling units with top media inlet and condensate pump. This advanced solution offers extra large installed cooling capacity in a small footprint. Combining multiple cabinets in a data centre will create the need to optimise cooling. Uncontrolled air flows are costly and inefficient.
Using RDA cabinets and components designed for data centres, a complete data centre can easily and efficiently be built. The most commonly used solution in terms of cooling:
Datacenter cooling principles
Our specialists will be glad to help you to choose the optimum solution for your needs.
Selecting the right type of cabinet and accessories, you can save significant money spent on the operation of your equipment.
When selecting the most suitable arrangement it is necessary to take into account the type of cooling system (under-floor cooling, In-Row cooling units ...) and with regard to the coolant used, also selecting the outer part of the system.
Choice of the cooling medium must be done with respect to outdoor climatic conditions, the distance of the data centre from the external units and the elevation between them. Depending on conditions, we can choose water cooling with appropriate addition of antifreeze, or system operating with liquid refrigerant gas.
With regard to safety and redundancy required for service operations it is necessary to design the complete system properly, meaning inside the data centre and on the side of radiators or condensers.
Furthermore, it is necessary to think about the requirements of humidity control. Humidity less than 30% carries a risk of damage to the installed equipment by static electricity surge; high humidity can lead to condensation.
In our portfolio you will find the cooling systems of leading manufacturers active in this highly specialized field of data centres and telecommunication equipment cooling for many years. Thanks to the close cooperation and support of their development teams, we can offer proven and guaranteed solutions.
Designing functional, reliable, financially and operationally economical cooling systems for the data centre is not an easy matter and specialists, who will recommend the optimum solution in terms of investment and operating costs, are fully available.
functioning of the condensate drain of the cooling unit, signal an alarm when the cabinet door is open and other conditions that you define. Any changes can then be reported using the integrated software through a computer network and allow you to oversee the data centre without the physical presence of the operator.
Distribution panels with management systems exist in many different models. Whether in terms of dimensions, where we offer solutions from the standard 19” panels to large vertical panels designed to house distribution systems, or in terms of different inputs (16A-64A, single-phase / three-phase). It is possible to choose from many product lines according to the required panel functionality (measurement of panel as whole unit or measurement of individual outlets, the control panel as a whole or individual outlet switching, additional monitoring functions temperature/ humidity / door contact / water flood sensor).
When choosing the most appropriate solution we will be happy to advise you.