DPC without chillers? Dell says - you can!
For quite a long time in a professional environment, the need for cost-effective and environmentally friendly data center cooling has been discussed. Intel, too ( “Data Centers: Intel's Point of View” ) often talks about this.
To think about the construction of the data center about the "green" cooling has become a trend. This trend is fully supported by Dell, and now we will reveal all the details.
If you consider the question from the point of view of household logic ... First, you pay money to bring electricity to your data center, and then pay again - to remove the heat generated by this electricity itself. It is no wonder that from the very beginning, many are eager for the opportunity to refuse expensive cooling. The question is also to improve the performance per watt of electrical energy. To this end, Dell specialists combined outside air cooling technology with evaporative cooling technology.
The tendency to use outside air to cool data centers does not negate possible problems if it gets too hot outside. You don’t want to suffer losses every time from the “record heat of the last 20 years” because of data center downtime. Actually, it is on this server manufacturers and work.
Dell analyzed climate data from the United States, Europe, and Asia — found that for widespread adoption of minimum cooling requirements in data centers, IT equipment must be able to withstand short-term temperature peaks of up to 45C / 113F. With this in mind, we have developed a new generation of Dell PowerEdge servers with Fresh Air technology support across the entire portfolio. It is worth mentioning that Intel was very actively involved in this development - in this video representatives of Intel and Dell share the details.
In fact, for quite a long time it has been generally accepted that most IT equipment can easily operate at higher temperatures than specified by the manufacturer in technical specifications, but data center managers, of course, do not want to take responsibility, if that then go wrong. The supplier must ensure that the equipment will withstand the temperature, and provide standard support if problems arise.
The new Dell PowerEdge servers with Fresh Air technology are guaranteed to work at high temperatures. Verified and verified that Fresh Air solutions:
Dell conducted a series of tests to ensure that PowerEdge servers can withstand higher temperatures without sacrificing performance. As a result, the new generation of Power Edge servers, released in February, can transfer 900 hours to 40 ° C (104 ° F) operations per year and up to 90 hours at 45 ° C (113 ° F). Most of the commercially available IT equipment is designed for a maximum temperature of only 35C ... The customer can choose: raise the temperature in the data center to reduce operating costs, or build his next data center completely without refrigeration units!
What has been said above about a data center without compressor cooling in practice rests on complications: network equipment, such as switches, is often mounted in a rack with servers and storage systems, but not all equipment can operate at high temperatures. Dell also offers data storage systems (the PowerVault family), networking equipment (PowerConnect), and power to provide full support for “hot” solutions.
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Crave for details?
Details of the implementation of servers with Fresh Air in the Brazilian Bar Association ( Ordem dos Advogados do Brasil – Seção de São Paulo ) are covered here (PDF)
Based on this solution, the entire modular data center deployed in Boulder, Colorado is also operating. It serves Microsoft’s Bing map services globally. Due to the lack of air conditioning, this data center is very small in size, but provides global service coverage. At the same time, the energy efficiency ratio (PUE, Power Usage Effectiveness) managed to be brought to a very low value - 1.03.
By the way, here is a small video about how this data center was built.
To summarize - the benefits that equipment operating at high temperatures:
Even for new Dell servers there is a limit on the time during which the equipment can operate at high temperatures. This means that data center managers need to carefully monitor the temperature so that the maximum set by the manufacturer is still not exceeded (which, in turn, may lead to loss of warranty). It is believed that many will adhere to lower temperatures because of the desire to insure.
By the way, nothing prevents the exploitation of the latest generation of Dell servers with Fresh Air support in data centers with traditional cooling systems - savings in operating costs will manifest themselves in any case, and additional reliability will never hurt.
In our country, solutions from Dell with the support of Fresh Air are already being actively implemented, even told about this in Habré:
If you want to learn more about Dell PowerEdge servers with Fresh Air technology support, or if you are interested in order conditions, you can write directly to Marat Rakayev at Dell: marat_rakaev@dell.com .
To think about the construction of the data center about the "green" cooling has become a trend. This trend is fully supported by Dell, and now we will reveal all the details.
If you consider the question from the point of view of household logic ... First, you pay money to bring electricity to your data center, and then pay again - to remove the heat generated by this electricity itself. It is no wonder that from the very beginning, many are eager for the opportunity to refuse expensive cooling. The question is also to improve the performance per watt of electrical energy. To this end, Dell specialists combined outside air cooling technology with evaporative cooling technology.
The tendency to use outside air to cool data centers does not negate possible problems if it gets too hot outside. You don’t want to suffer losses every time from the “record heat of the last 20 years” because of data center downtime. Actually, it is on this server manufacturers and work.
Dell analyzed climate data from the United States, Europe, and Asia — found that for widespread adoption of minimum cooling requirements in data centers, IT equipment must be able to withstand short-term temperature peaks of up to 45C / 113F. With this in mind, we have developed a new generation of Dell PowerEdge servers with Fresh Air technology support across the entire portfolio. It is worth mentioning that Intel was very actively involved in this development - in this video representatives of Intel and Dell share the details.
In fact, for quite a long time it has been generally accepted that most IT equipment can easily operate at higher temperatures than specified by the manufacturer in technical specifications, but data center managers, of course, do not want to take responsibility, if that then go wrong. The supplier must ensure that the equipment will withstand the temperature, and provide standard support if problems arise.
The new Dell PowerEdge servers with Fresh Air technology are guaranteed to work at high temperatures. Verified and verified that Fresh Air solutions:
- maintain working temperature to 45 degrees Celsius;
- maintain up to 90 percent relative humidity;
- can do without compressor cooling for a certain part of the year (there are climatic limitations).
Dell conducted a series of tests to ensure that PowerEdge servers can withstand higher temperatures without sacrificing performance. As a result, the new generation of Power Edge servers, released in February, can transfer 900 hours to 40 ° C (104 ° F) operations per year and up to 90 hours at 45 ° C (113 ° F). Most of the commercially available IT equipment is designed for a maximum temperature of only 35C ... The customer can choose: raise the temperature in the data center to reduce operating costs, or build his next data center completely without refrigeration units!
What has been said above about a data center without compressor cooling in practice rests on complications: network equipment, such as switches, is often mounted in a rack with servers and storage systems, but not all equipment can operate at high temperatures. Dell also offers data storage systems (the PowerVault family), networking equipment (PowerConnect), and power to provide full support for “hot” solutions.
')
Crave for details?
Details of the implementation of servers with Fresh Air in the Brazilian Bar Association ( Ordem dos Advogados do Brasil – Seção de São Paulo ) are covered here (PDF)
Based on this solution, the entire modular data center deployed in Boulder, Colorado is also operating. It serves Microsoft’s Bing map services globally. Due to the lack of air conditioning, this data center is very small in size, but provides global service coverage. At the same time, the energy efficiency ratio (PUE, Power Usage Effectiveness) managed to be brought to a very low value - 1.03.
By the way, here is a small video about how this data center was built.
To summarize - the benefits that equipment operating at high temperatures:
- The ability to install in your data center less chillers - or even cooling the object with “outside air”!
- Use of outdoor air for a longer period throughout the year
- Eco-friendly cooling, including those that meet the regulatory requirements of organizations such as ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers)
- Reduced risk of cooling failure
- Major savings in current and capital expenditures
Even for new Dell servers there is a limit on the time during which the equipment can operate at high temperatures. This means that data center managers need to carefully monitor the temperature so that the maximum set by the manufacturer is still not exceeded (which, in turn, may lead to loss of warranty). It is believed that many will adhere to lower temperatures because of the desire to insure.
By the way, nothing prevents the exploitation of the latest generation of Dell servers with Fresh Air support in data centers with traditional cooling systems - savings in operating costs will manifest themselves in any case, and additional reliability will never hurt.
In our country, solutions from Dell with the support of Fresh Air are already being actively implemented, even told about this in Habré:
- “Last generation DELL servers” - Rusonyx blog;
- "Business in the" clouds "" - our company blog
If you want to learn more about Dell PowerEdge servers with Fresh Air technology support, or if you are interested in order conditions, you can write directly to Marat Rakayev at Dell: marat_rakaev@dell.com .
Source: https://habr.com/ru/post/147656/
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