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Eric Giacomini

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What’s The Difference Between AC and DC Power?

Posted by Eric Giacomini on Oct 26, 2017 3:45:00 PM

Originally posted on Mar 2, 2015 - updated Oct 26, 2017

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Do you question the best way to transmit electricity to network devices throughout your data center? Some argue that alternating current (AC) is the less expensive and accessible method of using power, while others claim that it’s safer and more efficient to use direct current (DC).

What’s the difference between the two types of current? In a nutshell, AC wavelength changes direction, while DC’s is constant, or a “direct,” line. In the U.S., AC wavelengths oscillate at a frequency of 60 Hz per second. Due to the fact that AC power changes direction, you simply need a transistor to adjust the voltage, or force that pushes the current.

The voltage in a DC supply unit (such as a fuel cell), by comparison, cannot be changed unless the power supply is altered or turned off, such as with a high-voltage direct current (HVDC) system. DC is, therefore, less efficient and affordable to transmit than AC power, but it can be accomplished.

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What’s the better power solution for your data center? The truth is that they both have specific uses. It’s not a matter of choosing one or the other. In fact, migrating away from AC would be impractical and difficult because your facility is most likely wired to receive it already. It’s much less expensive and much more practical to use AC directly from the power grid for your daily data center power needs. Most data centers take AC, convert it to DC to power fuel cells and batteries, and then convert it back to AC to power their machines.

Server Technology carries a full line of rack mount power strips that allow you to feed AC or DC power to your data center equipment cabinets or remote site all while providing advanced power monitoring metrics and management capabilities.

 View AC PDU Products     View DC PDU Products

 

 

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Topics: data center power, DC power, AC Power

Three Reasons to Invest in Power Monitoring This Winter

Posted by Eric Giacomini on Sep 23, 2015 9:09:42 AM

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Right now you and your IT staff are in the process of planning your budget for 2015. During this course of action, have you considered investing in a data center power monitoring solution for your business?  

A data center power monitoring solution is a rack-level management system that lets you observe and control your power intake and environmental settings from a central Web-based location. It’s affordable, easy to install and simple to use.

Here are three major benefits it can provide for your facility: 

Increase UPS efficiency: When the electricity goes out in your facility and your UPS power supply kicks in, you’ll want to make sure that you squeeze every ounce of energy that you can from it. Research shows that the average UPS only has an efficiency level of 92 percent, so you’ll want to make sure that power is being adequately distributed to all of your equipment. A monitoring solution can help provide the visibility necessary for making critical changes when necessary to conserve power and protect your equipment.

Create a proactive IT culture: A power monitoring solution will help you spot electricity-related problems well in advance, giving you the power to make critical changes before downtime occurs. By establishing an IT culture based on proactive maintenance, you can save money and time in your data center.

Re-allocate your IT staff: Are your best IT workers spending the majority of their time tending to power-related issues? If so, it’s time to re-allocate your staff to higher-level work. This can be accomplished through the use of a central power manager, which can provide real-time power monitoring and alerting. When something goes wrong, your team will know exactly where the problem is and how to fix it.  

Start Tracking Data!  Schedule a Live SPM Demo Today! 

 

Topics: Data Center, power monitoring, IT, efficiency, 2015

Three Reasons You Should Care About Data Center Power Monitoring 

Posted by Eric Giacomini on Sep 14, 2015 9:16:46 AM

You and your coworkers have a laundry list of new items that you need to purchase for your data center. You need new servers, racks, switches and cables.

There’s something else you should add—and prioritize—as well, and that’s data center power monitoring software. Here are three reasons why data center power monitoring software should warrant your attention:

It can save your department: If your department is not actively monitoring its daily, weekly, monthly and yearly power loads, there could be widespread inefficiencies driving up monthly costs. As a result of these inefficiencies and high costs, upper management may be eyeing your data center and considering outsourcing to a hosted provider to save money and reduce risk. By investing in a data center power monitoring solution, you can track all of your power consumption, and strategically cut down on your power load in order to save money.

It can generate more spending money: Instead of blindly asking upper management for the funds you need to purchase new data center equipment, start tracking your monthly cost savings using data center power monitoring software. Then, go to upper management with these accrued savings and prove to them why the department deserves its upgrades. They will be more inclined to give back to your department.

It will make you  and your staff look like wizards: Nothing looks better in the eyes of upper management than measurable growth. You and your teammates can earn respect by showing how you saved the company boatloads of money, reduced downtime and contributed to a greener organization.

Topics: data center power, data center management, data center power monitoring, data center power savings

The First Step Towards Real Energy Savings Is To Develop A Strategy

Posted by Eric Giacomini on Aug 4, 2015 8:48:00 AM

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By now, you’re well aware that you need to make some big changes in your data center. After all, your facility is losing large amounts of money and energy on a daily basis due to widespread inefficiencies.

This trend is just not sustainable—both financially and environmentally speaking.

There’s a big difference between recognizing the need for change, however, and making it a reality. Therefore, what you need is a strategy to get started.

Here are some tips for building a data center power saving strategy:

Assess your current situation: Run an inventory of every piece of hardware connecting to your data center so that you have a clear understanding of your current power load. Next, compile your monthly utility bills and come up with an average figure that you are spending on a monthly basis. This information will be crucial for convincing the C-suite that change is needed.

Invest in power monitoring software: What you’ll most likely find is that you lack the sufficient technology for understanding exactly how your facility is operating. Invest in a real-time power monitoring solution that will allow you to take your initial measurements, expand on them and set clear power saving goals. This is the only way to accurately track and reduce power on a daily basis.

Get to work: Using your real-time power monitoring software, find and eliminate any unnecessary areas of waste in your data center. Consolidate your servers through virtualization so you can run less hardware while still achieving the same output.

Using a product like Server Technology’s High Density Outlet Technology (HDOT Switched), you will be able to start measuring and tracking your power consumption almost immediately after setup. You won’t have to wait weeks or months for results.

Click here for more information! 

Topics: power monitoring

Help Your Data Center's Tenants Save on Power

Posted by Eric Giacomini on Jul 22, 2015 11:08:00 AM

powersavings-01Think about how hard it is trying to get your kids to turn off the lights when they’re not using them. Why don’t they listen? It’s because they don’t pay the bill; and usually, they don’t listen until you start asking them to chip in on the bill.

The same problem exists in multi-tenant data centers, where tenants often have little incentives to reduce their energy usage. There is often a big divide between the expectations of tenants who pay premium rates for data center space, and building operators who must deal with exorbitantly high utility bills. Further, mulit-tenant data centers are some of the most egregious environmental offenders due to how much power they consume on a monthly basis.

So, what can be done to solve this problem?

The answer lies in real-time power monitoring. Instead of charging flat rates for unlimited energy usage, multi tenant operators should instead bill tenants on a per-usage basis. This way, incentives could be offered which could influence data center tenants to be more responsible about the energy they use. With this type of system in place, tenants who use far less power on a daily or monthly basis would be rewarded for their efforts while those who require more would pay the appropriate price.

One of the best ways to implement this type of system is by switching from traditional power distribution units to a solution like the High Density Outlet Technology (HDOT) Switched PDU from Server Technology. Using HDOT Switched, multi-tenant data center operators will be able to show tenants exactly how their servers are using energy in real-time, to eliminate any confusion that arises during the billing process.

Click here for more information about HDOT Switched. 

Topics: data center power, power management, data center power savings

Three Hard-hitting Questions To Ask Before Purchasing Power Monitoring Software

Posted by Eric Giacomini on Jun 29, 2015 8:33:35 AM

spm_transparent                Image: Sentry Power Manager

 

If you’re in the market for data center power monitoring software, you’re already taking a big step towards creating a more resilient, and efficient, network. It’s important to remember before making a purchase, however, that not all data center power management solutions are capable of providing the same level of support.

Here are three hard-hitting questions you should ask before investing in a data center power monitoring solution for your facility:

1. Does it come with remote access? Your business regularly has you travelling across the world. You need to be able to access your server’s utilization rates from any location, so that you can stay informed and make critical changes when they are needed. Don’t ask your IT staff to check and report critical metrics for you; they’re busy enough with other tasks!

2. Can it support hot swapping? You shouldn’t have to shut your whole cabinet down while making adjustments to your servers. Look for a solution that will allow you to run power to your cabinet while you’re performing routine maintenance.

3. Can it give you more than basic power data? In addition to providing basic power data, like voltage, amps and watts, it’s important that your power distribution unit provides a variety of environmental information too—like heat and humidity levels. This way, you can see when your equipment is in danger and work to make changes before problems arise.  

Click here to learn more about how Server Technology can outfit your data center with first class power monitoring software.

Topics: data center power, Rack Power Management, data center software

Strapped For Data Center Capacity? Server Technology Can Help

Posted by Eric Giacomini on May 27, 2015 9:40:33 AM

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Sentry Power Manager Capacity Planning

Network capacity is currently running at a premium rate in Silicon Valley. As explained in a recent Data Center Knowledge article, data center rents are now running from anywhere between $125 to $165 per kilowatt per month. Prices could increase again by the end of 2015, too.

It’s a landlord’s data center market, the article explains, as there is currently more demand than supply in the area. This means that if you are currently strapped for network capacity, and you are considering outsourcing your facility to a hosted provider, you will run into an overcrowded market with very limited options in the 2 to 3 MW range.

Here’s another option other than outsourcing to a hosted provider: Keep your facility in-house, consolidate your assets and get rid of everything that you don’t need on your network. Then, invest in a data center monitoring tool like Server Technology’s HDOT Switched solution, which will allow you to monitor your business’s power consumption in real time.

By making this small (and affordable) investment, you will not only streamline your data center and increase your network capacity, but you will also save having to overpay for space in a crowded colocation facility where you will pay top dollar for server space and power. After all, the price of electricity is expensive enough as is; you don’t need to pad the wallets of a data center landlord on top of it.

Server Technology’s advanced data center powering solutions are fully customizable, and come with an industry-leading 40 outlets per power distribution unit.

Click here for more information about how Server Technology can help you get more out of your data center today.

Topics: data center capacity, data center capacity planning

Three Ways Power Monitoring Can Change Your Data Center’s Culture

Posted by Eric Giacomini on May 20, 2015 1:07:27 PM

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We talk a lot about how Server Technology’s High Density Outlet Technology (HDOT) Switched, with its industry-leading 40 outlets of alternating-phase currency, can help slash costs and improve power-related efficiencies in your data center.

But there’s another exciting reason to invest in this next-generation power monitoring technology: It can also be a catalyst for cultural change in your data center for the following reasons:

  1. It reduces stress: Uptime can be a major stressor for data center operators, who are often forced to spend many nights and weekends fixing errors that could have been prevented ahead of time. With HDOT Switched, you can gain the real-time visibility needed to be proactive about system maintenance so that you can always stay informed when system changes are necessary.
  2. It facilitates remote working: HDOT Switched can stream real-time power usage data to mobile devices, making it possible to access information while on-the-go. In effect, data center operators do not have to wear traditional ball and chain that comes with managing a data center, as the technology facilitates remote monitoring. This also makes it possible to more-effectively manage data centers that are spread out across different areas.
  3. It saves money: Let’s face it: When budget cuts affect the data center, nobody is happy. You will save money by reducing unnecessary power loss in your cabinets, which will result in a bigger cash flow towards your department. This will allow you to hire more, invest in exciting new equipment or even grow your facility. The process is simple: Focus on improving your per-rack power consumption, and your entire department will benefit from the positive effects.

Learn more about HDOT Switched!

Or, Click here for more information about how Server Technology can help rack-power monitoring and management!

Topics: data center power, SPM, data center power management, Rack Power Management

Server Technology Wins DCS Awards for Second Year

Posted by Eric Giacomini on May 18, 2015 10:02:34 AM

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James Giblette, Regional Sales Director for Server Technology, accepting the 2015 DCS Award


Server Technology is proud to announce our recent 2015 DCS Award for "Datacentre Management Product of the Year" for Sentry Power Manager (SPM). Sentry Power Manager provides one central location to manage and monitor all of the intelligent PDUs within your data center (including competitive PDUs). This cost effective software solution provides complete visibility to both power and environmental monitoring within the data center. Easy installation and setup ensures a quick return on investment.

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About the DCS Awards
The DCS awards are designed to reward the product designers, manufacturers, suppliers and providers operating in data centre arena. The Awards recognise the achievements of the vendors and their business partners alike and this year encompass a wider range of both facilities and information technology award categories designed to address all of the main areas of the datacentre market in Europe. The DCS Awards categories provide a wide-range of options for organisations involved in the IT industry to participate, so you are encouraged to get your nominations made as soon as possible for the categories that you think you have achieved something outstanding or where you have a product that stands out from the rest.

Topics: DCS Awards, Sentry Power System, awards

See us at Interop in Las Vegas April 28-30 at Booth 2159

Posted by Eric Giacomini on Apr 23, 2015 1:26:36 PM

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Join us in Las Vegas for Interop. Stop by our booth (#2159) and discover the newest solution from Server Technology, an All-In-1 PDU Solution that will help you stay powered and get ahead in your data center strategy. This year, Server Technology was selected to have our PDUs powering the Interop Net and networking racks around the show flow. Stop by our booth to discover why leaders in the data center industy choose Server Technology. Then, don't miss a presentation by Server Technology's Calvin Nicholson as he presents "Power Monitoring and Capacity Planning."


Play our "Closest to the pin" contest and enter to win an XBOX One: Master Chief Collection.


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Topics: events, tradeshows

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