Is Modular Design for Data Center Right Choice for Future?

Modular design for data centers is a current hot topic in IT industry. Companies are struggling to meet IT need and maintain efficiency. If data center companies choose to include modular design, then they have to select pod or containerized design. Modular design will provide flexibility to data centers. Some of the benefits enjoyed by modularized data centers are:

 Speed:

Modular Data Centers can be built 75% faster than conventional data centers.

Efficiency:

In Modular Data Centers hardware can be addressed incrementally, rather than immediate constructing entire data center space. In Dell data center solution engineering team are working hard to optimize entire data centers to reduce operational cost.

Flexibility:

Modular Data Centers are designed with standardized infrastructure which enables data centers to use operating system universally. This design will allow designers for easy replacement of hardware and operating system. A truly modular data center is either incrementally constructed or uses containerized solution.

 

Altering a traditional data center to Modula Data Center is similar to constructing a new facility with blocks of buildings, so it’s preferred to implement containerized approach in such conditions. Now let us have a close look

about POD design of data centers and Containerize solution

Pod Design for Data Centers:

In pod design data center consist of IT room, a supporting infrastructure room and IT computer room.  Supporting Infrastructure room includes mechanical and electrical room which provide power, cooling to IT computer room. Later design engineers can include any number of IT computer room based on their load requirements.

Instead of supplying space, power and cooling for an over build data centers at 50% efficiency rate, companies can divide data centers into small pods. Let us have an example, suppose a company with 10,000 sq ft area, companies can estimate a facility based on requirement and build a small pod of 1000 sq ft of storage and server equipment. Company can include adjutant pods based on IT requirements by following “pay as you grow” approach. This approach can lower the overall operating expenses and also increase the efficiency of the data center.

Containerized Solution for Data Centers:

Instead of designing a pod design from scratch companies can choose containerized solution, if company is ready to build, relocate or expand its facility. By following this containerized solution companies can lower their operating and capital cost, companies can also be benefited by avoiding local building techniques and codes. Cooing systems and airflow to servers can be engineered before implementing in the plant to optimize efficiency and performance. Containerized data centers can cut down deployment time from one year to weeks. Containerized data centers are best suited for remote locations. Containerized solutions gain more points in terms of mobility, containers can be placed anywhere and all containers will be pretested before deploying to the centers. Containerized solution can also be used as temporary solution when companies have expansion plan or when data centers come across any disaster. Apart from all these Containerized solution will provide multi-location support and high redeployment capabilities.

Before selecting any of the two modular design, it’s better to have a look at advantages and disadvantages of the two designs.

 

Pod Design

Containerized Solution

Flexible in size

Equipments must go in pre-fabricated containers

Canbe modified based on requirements

Newly configured containers must be deployed

Space can be designed for comfortable services

Uncomfortable and offers limited space for technicians

With proper design maximum efficiency can be achieved

Designers need to spend significant amount of dollars to improve efficiency

Permanent solution

Best suited for temporary needs

Initially takes at least 6 months later inclusion can happen more rapidly

Can be deployed within weeks

Must follow local building codes

Must follow ISO complaints

 

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Ways to Reduce Water Consumption in Data Center

All data center management teams have been thinking about conserving renewable energies, but recently data centers are concentrating more on conserving water. Saving any amount of water saves money, because water in short as it’s mostly used in domestic purposes. Data centers require an enormous amount of water to cool cloud computing server farms. James Hamilton Data Center Designer and Researcher in Amazon estimates Data centers with a capacity of 15 Mega Watt can utilize up-to 360, 000 gallons of water per day. Hamilton added, “Water is tomorrow’s big problem, no one talks about water. The water consumption (in data centers) is super embarrassing. It just doesn’t feel

responsible. We need designs that stop using water.”

          Google and Microsoft are adopting new alternative methods to cool their massive data centers. Companies are using water from nearby rivers canals and also using recycled water. Microsoft recently added a new Data center in San Antonio because local water company can provide large quantity of recycled water; this would have less impact on city’s drinking water. In Belgium Google installed a new data center next to Industrial canal, data center can draw water to cool massive servers using industrial water and can draw water from wells and rain water. Google has designed a new cooling system and they have named it as “Hot Huts”. These Hot Huts are temporary homes for hot air which leaves main servers. Fans are installed on these huts will pull hot air from behind the servers and lead them to water cooled coil, these ambient hot air from the servers. These fans will help to cool the air by leading them to water cooled coils and thus completing the cooling cycle.

One of the best methods to conserve water is by re-cycling it. Google’s data center in Hamina, Finland uses sea water to cool servers without using any chillers. This data center is located in Gulf of Finland. Cooling systems pump cold water from sea and heat from servers are exchanged. This ambient hot water is cooled before returning to gulf. Another Google’s data center in Douglas County uses city waste water to cool its servers. In this data center large tanks are filled with this water and fin sand particles are filtered out and leaving clear water to cool its servers (this water is unsuitable for drinking purpose).

Data centers must maintain their cooling systems regularly to avoid excess consumption of water. All Data centers must implement such alternative methods to cool its massive servers to reduce water consumption.

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AIRFLOW MANAGEMENT

Data centers consume about 25 to 30 times more electricity compared to the normal office spaces. This calls for an energy efficient design of the data center that can save money and reduce electricity use.

 Data center design is a relatively new stream that contains a dynamic and evolving technology. The most efficient data centers incorporate modern design technologies that are cost-effective and energy efficient. Short design cycles lead to incomplete assessment of the full design requirements. Most of these short design cycles ultimately lead to just scaling up the older versions of design of office spaces.

Modern data centers house server racks in a fashion that leads to concentration of the heat loads. In facilities of different sizes, starting from a small data center for a few office buildings to a large co-location facility; design of the center to precisely control air flow is of utmost importance. Air flow through the room for efficient removal of the accumulated equipment heat has a strong impact on the reliability and the energy efficiency of the entire data center.

Air management includes all the minute details of design that are required to minimize or curtail the mixing of cool air supplied to the room with the hot air rejected from the room. When it is designed correctly, it helps in reducing the operating and maintenance costs of the equipment and other issues caused by the thermal heating of the devices.

The main design issues related to air management are:

  • Location of the data center
  • Location of the cooling equipments
  • Equipments required for intake and exhaust ports
  • Configuration
  • Air flow patterns in the room

Principles of air flow management:

  • Use of hot and cold-aisle configurations can double-up the cooling efficiency of the data center.
  • With the aide of an airside economizer, air management can reduce data center cooling costs by over 60%
  • Removing hot air immediately through the exhaust improves efficiency rather than mixing the hot air with the incoming cold air.
  • Equipment environmental temperature specifications refer primarily to the air being drawn in to cool the system.
  • A higher difference between the return air and supply air temperatures increases the maximum load density possible in the space and can help reduce the size of the cooling equipment required, particularly when lower-cost mass produced package air handling  units are used.
  • Poor airflow management will reduce both the efficiency and capacity of computer room cooling equipment.

 Therefore an effective air flow management system can bring down the costs and power consumption rates to a great extent. Design of these systems also play a very important role in the quality, reliability, and security of data centers.

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IBM UTILIZES DATA CENTER DESIGN-BUILD FIRM TO UPGRADE SILICON VALLEY LAB DATA

Most companies today are concerned with the high cost of energy and how to be more efficient; computer giant IBM is no different. IBM recently partnered with Data Specialties, Inc. (DSI) to reduce their energy use and costs at their Silicon Valley Labs server room in San Jose, CA by installing a cold aisle containment process.

 

“This single cold aisle containment system will produce a total energy savings of 146 kilowatt hours or over $11,000 a year, and is expected to payback the cost of the system in three years,” said Lynn Guest, IBM’s Energy Coordinator for the San Jose site. The IBM Silicon Valley Lab (formerly known as Santa Teresa) is located in the countryside near south San Jose and is where much of the software for IBM systems are developed, including IBM’s invention of the first hard drive which happened in 1952.

 

Large corporations such as IBM, Disney Studios, and AAA recognize the ability, expertise, and value in the work performed by the mid-sized data center design-build firm and consistently contract with DSI to handle their data center project needs. With more than 20 years industry experience DSI has the expertise to design-build, upgrade, and expand data centers with the highest levels of quality assurance, reliability, and as much environmental efficiency as possible.

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Data Center Management – Solutions to Mitigate most Common Risks

Organizations today heavily depend on IT to support all their activities. This is why data centers have become a go-to facility for maintaining network and system functions. Customers too expect nothing but the best. This is why it is crucial to maintain a high performance service. Managing this infrastructure effectively is the key to enhanced operation rates. That is why data center managers should be able to track and assess the performance of individual sections of the data center effectively. Providing them with industry specific products should help them measure performance efficiently and mitigate potential risks. Let us look at these performance measurement products/tools and find out what they can do for the data center.

Availability of IT Equipment:

Downtime is data center manager’s worst nightmare. Generally customers expect system availability almost 100% of the time. Hence, IT personals need to access the reliability of the equipments of the data center so that that can reduce downtime considerably. The data obtained from assessing the equipments should also help them identify and alleviate issues.

Solution:

Technology has provided monitoring solutions which are based on the changing environmental factors and offers real time feedback about systems responding to factors like temperature, amperage draw, humidity, dew point, and physical security. These readings help the experts set thresholds for different atmospheric conditions. Additionally, this system also provides past information which can alert the personnel about the changing trends so that they are equipped with practices for that event.

Assessing Critical Services

Critical services means determining, classifying and rating the highest priority sites and facilities.  Systems like the four tiered classification system which is based on factors like useable capacity, fault tolerance, maintainability and sustainability helps in the evaluation .After undergoing the process, the administrators should be able to employ suitable managements and control systems for these critical sites which will help them mitigate potential vulnerabilities.

Solution:

Management solutions like KVM or service processor aggregation appliances offer the IT administrators access to servers, devices and even to equipments which are available locally and remotely. These provide BIOS – level access and offer assistance to reduce downtime by allowing instant access to all failed resources and data center management. These solutions also provide analysis and audit logging which helps the personnel gain valuable insight to the daily occurrence of the various operations in the data center.

Measuring the Data Center’s Energy Consumption

The rising rate of energy consumption is a cause of concern for most organizations. This has been a prime concern since companies are employing high density server racks which consume significant amount of energy. Experts are always looking for methods and practices to reduce the energy usage and making the data centers much more efficient. Proposition of implementing PUE and the DCE metrics should enable the data center managers estimate the efficiency of that data center. As Per Gris Grid which is consortium of IT companies, Power Usage Effectiveness (PUE) = Total Facility Power/ IT Equipment Power; Datacenter Efficiency (DCE) = IT Equipment Power/ Total Facility Power.  The PUE results are compared to different data centers to find out if the data center needs improvements to increase its efficiency.

Solution:

By using the results of PUE and DCE, administrators can evaluate the efficiency of their data center. Other than these, one can also use application specific data for evaluation. Performance rating tools like EPA energy star and Portfolio manager offers rating to the data center after comparing the results with other data centers. Switching to higher voltage power is also a practice which allows the IT equipment to operate much more efficiently. Regular audits of the facility including the racks and equipment will provide valuable insights like if the under the floor plan should be improved  or if some servers should be discarded. Using blanking panels and cable management accessories in the rack can also assist in reducing the energy usage of the data center making them energy efficient.

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Ways to Optimize the Data Center Operations- Effective Data Center Cabling

Cabling in a data center is considered to be its nervous system. Integrating a data center with cables requires skill, understanding and no to forget the all important, cables. You do not want a spiral tangled of noodle like mess when you have fault to fix right? This mess can actually escalate and cause various problems for the data center operation. Good cabling methods are essential to ensure that the data center has plenty of good airflow along with easy accessibility in case of a fault and that safety is maintained throughout the infrastructure. Let us look at some of these pointers which will prove quite helpful for when dealing with data center cabling.

Step Away from Under-Floor Cabling Plans:

Raised floor is a common site in data centers but closer inspection will reveal that they are really not an effective solution to the eternal problem of heating of the data center and not to mention keeping the cables organized.

While it is good plan if you are looking from the space saving point of view, but really, it is an ideal place for generating heat in the data center. Also during maintenance, this plan just makes the process a nightmare as looking for a particular cable will be next to impossible. Not to mention that lifting the floor without causing damage is not a task meant for the faint hearted.

The good news is that the majority of the players in the data center sector has moved on from raised floors and is implementing the hot/cold aisle technique which is a good alternative and does not hamper the performance of the data center. Another method is to place the cables overhead.

Overhead is the Way to Go:

One of the major advantages of this method is the prevention of air flow obstruction. Think about it, no obstruction, and no hot air and hence increased efficiency. According to an industry expert, overhead cabling reduces the cooling fan and pump power consumption by 24%. That is a significant amount of energy saved. Also this method eliminates the hassle of lifting the floor to take a peek at the cables. Overhead cabling also promotes accessibility meaning it eases the process of maintenance of existing cables or even addition of new ones. Overhead cabling offers dual win, enhanced data center efficiency and up-time.

Trays for Cables:

Cables kept in a wire mesh to make them accessible for maintenance is one of trends which is implemented by data centers all over. But the same problem of heating persists, but only when it is not properly planned. Even in this arrangement, removal of the dead cables on a regular basis is pertinent otherwise it will be another colorful mess. Also there is a weight factor, meaning if the tray becomes heavy, it will sag and it’s just going to be unsightly.

If you choose to implement this method, going for the modular cable rack systems is ideal. This modular overhead system provides an easy to sort modules which lets the tech experts plan effective multi- level tray organization. Though the system needs precise planning, at the end of the day, it is a great solution with promising return o investment.

Remember these few pointers before going for this arrangement:

  •  At all costs, refrain from suspending the trays from the overhead in an existing data center. This is because; the drilling and the other construction processes can cause contamination. Mounting the trays on top of cabinets and racks is an effective solution.
  •  Often due to mechanical stress, zinc whiskers, which are filaments of zinc occur in the cable trays. These can get caught in the air handling system and not to mention in the IT equipment causing faults and all other kinds of nightmare scenarios. Choose trays which are free of zinc to mitigate such potential risks.

Bottom-line is that there are different types of cable storage methods available but the overhead cabling is the most efficient solution. It is important to know that data center managers take stringent steps to prevent cable clutter in the facility. The benefits of the overhead method cannot be overlooked. They offer significant energy saving and also completely removes the necessity of the raised floor plan which is an expensive deal in a data center.

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Raleigh to Be the New Location for an Expansion Project of Citrix Systems

According to latest reports, Raleigh, North Carolina is making way for their
newest addition, a major corporate headquarter to their landscape. Citrix systems who are a major provider of cloud computing has locked down Raleigh for the expansion project of its Sharefile Data Sharing Group.  Sharefile hopes to announce the exact location of its new corporate headquarters by August.

 The project is expected to be completed in the next 5 years and Citrix Systems is reported to be investing a capital between $11 million and $26 million in Downtown Raleigh to house its workforce.

“At Sharefile, relaxation and play is considered as important as work in this corporate culture. We have a big tech company with a lot of young employees,” said Sharefile founder Jesse Lipson. “They want to be where the action is”.

“People are trying to come downtown more and more and more,” said Joey Brown. “People move from all sorts of other places to get down here.”

Adds Tara Zechini, I love to work downtown. The energy down here is great.”

“There’s always fun, there’s always parties and great things to eat and do; it’s a great place to be,” said Zechini.

Adding Sharefile’s employees to the downtown is bound to have an effect on the area’s economy.

 “When you move 500 professionals in a tech company to an area, they’re going to want to live near where they work and eat and experience entertainment in that area,” said Lipson.

He also believes that this move will affect the business end of Raleigh in a dramatic way.

“I think it’ll have a ripple effect on Raleigh and on other tech companies will want to move their headquarters down to where the action is.”

To return the favor to Citrix Systems for the expansion in Raleigh, the city has decided to award a Job Development Investme

nt Grant. The grant pays the company 2.25 percent of the new tax value of taxable investment recorded on the tax records for a period of 12 years at the current tax rate of $0.3735 per $100 property valuation.


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CFD- Assessing Temperature Distribution in Data Centers

With global warming concerns getting real every passing day, temperature rise is one of the major concerns for the environmentalists. Same for business owners where maintaining a certain temperature is absolutely crucial for the sustenance of the business. Data center managers are one from the lot. They are constantly looking for techniques to maintain ideal temperature conditions of the data centers, even on the comparatively hotter days. Technologies like CFD are being implemented to optimize the data centers and design efficient ones at the same time.

What is CFD?

Computational Fluid Dynamics (CFD) is a technique which is used to model fluid flow using various numerical analysis techniques. The fluid flow is predicted through an iterative process and is based on factors like how the volumes interact with each other to attain a steady state model. Usually CFDs were used in airplane aerodynamic but of late, it has found a strong footing in data center facilities management.

Why CFD in Data Center?

CFD modeling software in data centers helps visualize the temperature distribution throughout the facility with the use of airflow models. Several SaaS solutions also aid in this process. These solutions analyses the data and puts it up in the cloud platform for comparison. What should be kept in mind is that all the solutions chosen should be provided as per the requirement of the data center.

The CFD modeling systems include various parameters like the geometric data of the floor, under- floor impediments, racks, cabinets and also the airflow. These data are complied and entered into the software for analysis. The software effectively creates a model which highlights the airflow within the data center including its temperature and pressure. Once the model is generated, the design of the data center is modified or in case of a new construction project, modeled upon. It is very important that the resultant matches the generated model. Doing so will ensure that there are no stray paths for the air to bypass and that the analysis is accurate.

As with any model, the more accurate the information supplied, the more useful the result. Careful attention to detail in both the modeling and construction of new spaces is necessary to insure that the end result matches the model. Un-sealed support column floor piercings, forgotten cutouts under racks, etc. are all insidious paths for air to bypass and potential sources for puzzling results.CFD is an excellent tool and once the model is generated, analyzing  CRAC failure analysis, potential equipment installations, layout changes, containment, etc. becomes a breeze.

Thing to Remember Before a CFD Analysis

CFD analysis should be done before making any kind of changes in the repent design of the data center. CFD results are dynamic in nature and to be consistently accurate, it needs to be maintained. Hence, whenever a change is put in action to the current design of that data center, the CFD model also should be updated. Updating the model will help the data center manager make appropriate decisions.

Another versatile tool ‘Real time monitoring’ implements the use of sensors to measure temperature, pressure, power and others to generate real time temperature maps of the data center. This tool along with CFD is an unbeatable combination which constantly evaluates the data center’s performance and enhances the efficiency margin considerably. While CFD analysis covers all the potential risks in the future, real time monitoring evaluates the instant changes in the environment, churning out data which would be useful when updating the CFD model.

An important point to consider is that both the analysis tools helps the data center manager narrow down the risk factors and eliminate irrelevant margins from the system. This increases the capacity and efficiency of the data center.

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Connectria Hosting Announces Fourth Data Center in Texas

Connectria Hosting, provider of cloud computing managed hosting and custom hosting solutions to more than 1,000 customers in 30 countries worldwide, has announced plans to host public and private IBM i clouds. News of addition of a fourth data center at Connectria to meet growing demand is also going around the industry.

The new data center, located in Lewisville, Texas, is a Tier 4 designated facility which is the highest level a data center can achieve according to standards set forth by the Telecommunications Infrastructure Standards for Data Centers. The facility will be capable of hosting mission critical computer systems, telecommunications gear, and storage environments with fully redundant subsystems and compartmentalized security zones, monitored by biometric access control methods. It is projected to be operational in the third quarter of this year.

Plans to deliver Connectria’s expanding cloud computing solutions and to provide additional disaster recovery option to its clients are of primary importance. Over the year, the center is expected to accommodate the full range of Connectria’s services. Improved connectivity and proximity for international markets, including South America is another feature of the new data center. Connectria currently has two data centers in St. Louis and one in Philadelphia. The company recently unveiled the availability of its IBM AIX cloud with services that will cost around $1,245 per month which customers will be able to purchase as per requirement.

“We realize that cloud computing is not limited to Windows and Linux alone,” said Connectria president and CEO, Rich Waidman. “Connectria’s commitment to provide reliable cloud hosting solutions for a wide range of customers and environments, including IBM i, IBM AIX, and Oracle/Sun Solaris sets us apart from the crowd.”

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Solving Data Center Space, Power and Cooling Crunch

Inadequate/ limited space, power, and cooling capacity have led many data centers or organizations  to be acquainted with capital and operating costs for their set ups. Data centers have become an increasing part of their financial plan over time. The lack of flexibility caused by obsolete, incompetent data centers has also begun to affect business dealing dexterity. Undeniably, many data centers built in the last 15 years have reached the precipitate end of existence. This is because; they were not built to sustain the development that actually has taken place of the years. Data centers are now realizing that better efficiency can reduce costs and increase business agility. This has led them to take necessary steps towards it.

Large firms are assessing ways to be more environmental friendly as a fine PR gesture. Certainly, even the rising substantiation of global climate change has not stimulated a lot of governmental or business organizations to take remarkable measures to diminish carbon dioxide emissions. By cutting down energy utilization and using substitute energy sources businesses can improve cost efficiency. Data center operators are currently everywhere. They are now leaning towards space, power, and cooling crunch that using “Green” technology which can help them to assuage.

The problem is that data center operators are finding themselves in a space, power, and cooling crunch which is a result of years of constructing and setting up applications without considering the power consumption. Data centers are burdened with an inheritance of outdated applications that were deployed with one function per server or one function spread across a whole intact service cluster of servers. These servers are outdated and generate a reduced amount of performance per watt than present day servers. Applications have classically been deployed in silos, with the server technology of the day deployed within silos, servers sized for the utmost conceivable workload, and negative reserve sharing between application silos. On top of all this, power requirements are beyond data center design criteria, designs that were expected to last for as long as 20 years. Data centers were once built to hold up to 40-70watts of energy use per square foot costing roughly around USD $400 per square foot to build that included power and cooling infrastructure. Nowadays, requirements sum up to 500 watts per square foot, with building costs close to $6,000 per square foot. Every watt that is used requires more or less the same number of watts to get rid of the heat that is generated.  When data center goes on battery power, and when air-conditioning is out, where it once took 15 minutes for the temperature to rise 25 degrees, it now takes less than a minute for the present day servers.

There are number of ways to solving data center power and cooling crunch:

  • Putting away aging data center equipment with up-to-date, more potent and energy-efficient servers and storage is a simple way to optimize power efficiency.
  • Using virtualization to consolidate minor number of systems.
  • Advancing power and cooling efficiency in every aspect of operations, from servers to the tool work area.
  • Reconfiguring data center spaces with a modular, flexible, and competent plan that chains expansion and an ability to take the constant equipment turn over which distinguishes most data centers today.
  • Arrange modern storage systems and tape libraries that can seize more data while consuming less power.
  • Consolidating storage so it can be administered as a sole pool of resources.
  • Installing competent spot cooling

To obtain the advantage from implementing power optimization strategies, it’s essential to reconfigure the already active data center spaces or create fresh ones. So, here are some of the ways to crack space problems in data center:

  • Accessibility through a design that includes suitable use of tier levels.
  • Capacity to support multiple tiers in a single data center
  • A design that is flexible and adaptable, ready to align IT resources with altering business purposes
  • A highly supportive cabling, power, and cooling infrastructure in the data center
  • A design which can be used for the few generations of equipment, which are likely to have even-higher power, cooling, and cabling needs.
  • Environmental awareness that identifies “going green” makes a company look good, mainly when it engages effortless methods like – using outside air for cooling, can save costs over the years.
  • Smart observation that allows power utilization to be scrutinized at all level in the power allotment hierarchy, giving clarity into existing operational factor and the impact of other power saving steps.

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