Server Specs - A SearchDataCenter.com blog

Server Specs:

 

A SearchDataCenter.com blog


The blog for all things data center, including, design and infrastructure, Unix, Linux, mainframes and x86 servers, power and cooling efficiency, information technology (IT) service management, server consolidation and virtualization and more.

Cloud computing is the future for data centers; resistance is futile

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I noticed a common theme at the string of computing conferences I’ve attended in the past couple of months: The future of the data center is going to be cloud computing, and resistance is futile.

I heard this from VMware Inc.’s President and Chief Executive Officer Diane Greene during her keynote at the JP Morgan Technology Conference in Boston in May, and the point was driven into the ground during the Enterprise 2.0 Conference there in June. I heard these predictions repeated during the annual Red Hat Summit and the USENIX 08 conferences, also held in Red Sox Nation last month.

Major league players in the data center space like VMware Inc. are putting their efforts into cloud computing because of predictions that it will eventually be the mainstream way information is handled and software vendors are starting to introduce products to manage cloud computing environments.

David Patterson, a professor of computer science at U.C. Berkeley, said during his keynote speech at USENIX that cloud computing is part of the data center evolution already under way.

“In addition to the processor evolution [from single-core to dual- and now quad-core processors], on a larger scale, there are a number of changes happening in the data center; flash memory is replacing mechanical disks, we have software as a service, and utility computing [a.k.a. cloud computing] is being used to outsource the data center,” Patterson said.

The advantages of cloud computing are clear, he said.

“With cloud computing, you put $0 down for your own data center, and pay as you go, and there is no penalty for scale up, which happens instantly. It allows fast scale up with no dead or idle CPUs, and no provisioning is required,” Patterson said.

This is especially appealing to data centers that have maxed out their power resources, but need to increase their infrastructure.

Though cloud computing is considered an immature technology, it really isn’t. The chief architect of the Xen project, Ian Pratt, said during his session at USENIX, called Xen and the Art if Virtualization, that the folks at Cambridge University who started the XenoServer project with him back in 1999 were architecting it under the cloud computing concept.

Though their ideas about what the cloud would look like differ from what we see today, the concept was similar: Develop a public infrastructure for wide-area distributed computing that can be used by people across the world.

“We originally thought there would be data centers all over the world, and clients would be able to choose a location, perhaps close to another IP address they wanted to interact with,” Pratt said. “The other difference is, we thought the machines would be owned by many different merchants, and there would be a broker acting as a third party recommending the different vendors, and those brokers would take a fee.”

Instead, we have companies like Amazon.com, Google and Salesforce.com offering the complete cloud computing environments , but Pratt expects this to change.

“I think we will see cloud computing move in the direction where it will become more open instead of all of the hardware, software and networking being located at and owned by a Google or Amazon.”

Today, most cloud computing providers host x86-compatible applications on virtualized servers, and most support only the Linux OS, according to Cambridge, Mass.-based Forrester Research Inc. To keep costs low, many cloud providers use a Xen-based hypervisor. Charges for usage are usually based on CPU hours, gigabits consumed and gigabits per second transferred rather than on a monthly service fee.

Specifically, Amazon charges 10 cents per compute hour used and 15 cents per gigabyte of storage. According to Forrester, that translates into about $70 to $150 per month for a fully utilized Amazon server, versus the average $400 a month that it costs an enterprise to run a server.

The benefits aside, IT pros are apprehensive about taking their mission critical apps out of their secure data centers and putting them into something as translucent sounding as cloud computing. This fear was quite evident during the Enterprise 2.0 conference event called “An Evening in the Clouds.” A panel of IT pros sat and listed to Google, Amazon and Salesforce as they fluffed cloud computing, and then they voiced their many concerns.

Is it secure? Is it reliable? Does it perform better than my existing data center?

The answer from all the cloud computing providers was, of course, a resounding “yes.”

But not all applications are available in the cloud, so it isn’t for every company. The cloud computing environment also lacks government standards, which makes some users nervous.

“I wouldn’t suggest moving all of your apps over to the cloud today, but hopefully one day all will be right in the world,” said Jeff Keltner, the business development manager at Google Apps.

Thinking outside the case: Running naked servers

When it comes to data center metrics the one most often talked about is square footage. Nobody ever announces that they’ve built a facility with Y-tons of cooling, or Z-Megawatts. The first metric quoted is X-square feet. Talk to any data center manager however and they’ll tell you that floor space is completely irrelevant these days. It only matters to the real estate people. All that matters to the rest of us is power and cooling - Watts per square foot. How much space you have available is nowhere near as important as what you can actually do with it.

If you look at your data center with a fresh eye, where is the waste really happening?

Since liquid-cooled servers are at the far right-hand side of the bell curve, achieving electrical density for the majority of us is usually a matter of effectively moving air. So what is REALLY preventing the air from moving in your data center? I won’t rehash the raised floor vs. solid floor debate (since we all know that solid floors are better) but even I know that the perforated tiles, or the overhead duct work is not the REAL constraint. A lot of folks have focused a lot of energy on containment; hot aisle containment systems, cold aisle containment systems, and even in-row supplemental cooling systems.

In reality however, all of these solutions are addressing the environment around the servers, not the servers themselves which are after all, the source of all the heat. Why attack symptoms? Let’s go after the problem directly: The server.

First of all, the whole concept of a “rack unit” needs to be discarded. I’ve ranted before on the absurdity of 1U servers, and how they actually decrease data center density when deployed as they are currently built. I’d like to take this a step further and just get rid of the whole idea of a server case. Wrapping a computer in a steel and plastic box, a constrained space, a bottleneck for efficient airflow is a patently absurd thing. It was a good idea in the day of 66 Mhz CPUs and hard drives that were bigger than your head, but in today’s reality of multi-core power hogs burning like magnesium flares it is just asking for trouble. Trouble is what we’ve got right now. Trouble in the form of hot little boxes, be they 1U or blade servers. They are just too much heat in too constrained spaces.

Virtualization won’t solve this problem. If anything it will just make it worse by increasing the efficiency of the individual CPUs making them run hotter more of the time. Virtualization might lower the power bills of the users inside the server, but it won’t really change anything for the facility that surrounds the servers in question. The watts per square foot impact won’t be as big as we hoped and we’ll still be faced with cooling a hot box within a constrained space.

So here is my challenge to the server manufactures: Think outside of the case.

This isn’t a new idea really, nor is it mine. We’ve all seen how Google has abandoned cases for their servers. Conventional wisdom says that only a monolithic deployment such as a Google data center can really make use of this innovation. Baloney. How often does anyone deploy single servers anymore? Hardly ever. If server manufacturers would think outside of the case, they could design and sell servers in 10 or 20 rack unit scale enclosures. They could even sell entire racks. By shedding cases altogether, both server cases and blade chassis, they could create dense, electrically simple, easy to maintain, and most importantly easy to cool servers. The front could be made of I/O ports, fans, and drives. Big fans for quiet efficiency. The backs could be left open, with electrical down one side and network connections down the other. Minimize the case itself to as little as possible… think of Colin Chapman’s famous directive about building a better race car: “Just add lightness.” The case of a server should serve one purpose only: To anchor it to the rack. Everything else is a superfluous obstruction of airflow. No need for steel, as plenty of lighter weight materials exist that can do the job with less mass.

Go look in your data center with this new eye and envision all those server cases and chassis removed. No more artificial restriction of airflow. Your racks also weigh less than half of what they do today. You could pack twice the computing horsepower into the same amount of space and cool it more effectively than what you have installed.

Ten years from now we’ll look back at servers of this era and ask ourselves “what were we thinking??” The case as we know it will vanish from the data center, much like the horse and buggy a century before. We’ll be so much better without them.

Red Hat teams with Amazon to provide dynamic computing services

This morning, on the final day of the annual Red Hat Summit in Boston, Mass., Red Hat Product Manager, Mike Ferris, shared the Beta testing program of Red Hat Enterprise Linux on Amazon’s EC2 cloud computing platform. Red Hat launched the service in November of 2007, and has been beta testing it, gauging customer interest and getting feedback on what type of services are needed. Prior to the conference, I talked to Ferris about the program and why Red Hat has partnered with Amazon to offer this service to their customers.

“When we looked at where our customers were today and where they needed to go as well as the converging aspects of virtualization and automation, we recognized that we needed to provide this service,” shared Ferris. “We asked how could we help customers go and leverage these technologies? We saw the evolution of virtualization and the availability of companies like Amazon to be able to provide compute capacity on demand. So, we partnered with Amazon to build out an enterprise support cloud for Linux.”

Red Hat has integrated the virtualization technology into Red Hat Linux 5.1, which makes it easy for the customers deploy the technology. The advantage to the cloud computing model is that users can get capacity on demand, for much less cost than the traditional hardware acquisition model. This savings and use in high-demand situations is something that many industry experts agree will make cloud computing an important extension of the data center of the future.

Ferris explained that Red Hat’s offering is “the same technology but available at an hourly basis in the cloud. A lot of this has absolutely been enabled by virtualization. It eliminates the need to spend money on capital for infrastructure to handle peak loads. Customers can leverage external clouds with same technology and the same APIs.”

So far, the feedback has been positive. Competitively priced at between $0.21/hour to $0.94/hour, the price has been considered fair by the market.

“We’ve seen interest from our customers during this beta period,” said Ferris. “A lot of core customers are leveraging the cloud infrastructure to run additional simulations and engineering analysis. Studios are looking at this for being able to render movies and televisions shows. We also see small companies that are looking to leverage low-cost infrastructure and get it up and running in minutes. Customers can dynamically scale their environments and do other business activities that they otherwise couldn’t have. With tightening budgets and a strong focus on efficiency, customers are looking at both cloud and traditional solutions.”

Further demonstrating their commitment to the cloud, on Wednesday the company announced that the JBoss Enterprise Application Platform is also now available on Amazon EC2 in beta. For more information on the Red Hat Summit, see a summary of TechTarget’s week-long event coverage.

APC provides free online data center infrastructure calculation tools

Data center power and cooling services companyAPC is offering a number of free online tools, called APC TradeOff Tools, that give IT pros a way to view how infrastructure changes effect costs and performance in the data center.

“The tools answer questions like, ‘what will the ROI be if I increase the water chiller temperatures?’ or ‘what do I need to do to hit my energy efficiency or carbon footprint target’?,” said Neil Rasmussen, senior vice president of innovation for APC.

The West Kingston, RI-based company’s new tools include the power efficiency calculator that allows IT managers to generate “what if” scenarios regarding virtualization, power sizing, efficiency, power density, and cooling decisions.

Another new tool is the Data Center Carbon Calculator, which allows users to input data about their infrastructure and see the impact any changes would have on data center efficiency, energy costs and carbon footprint.

“If a company makes a carbon efficiency pledge, they can use this tool to drill down into different ways to achieve that goal,” Rasmussen said.

The Data Center Capital Cost Calculator details the impact of physical infrastructure design changes on capital costs; the Virtualization Energy Cost Calculator shows the impact of server virtualization and data center design choices on energy and space savings; and the Data Center Power Sizing Calculator gives details about the impact of server and storage configurations on IT load capacity and required utility input power.

There is also the Data Center AC vs. DC Calculator, which compares the efficiency of each, and the Data Center InRow Containment Selector, which recommends cooling options based on the data center infrastructure.

All of the tools can be accessed here on APC’s website.

Mellanox takes Best of Interop award for ConnectX EN 10 GbE adapter

One Tuesday, April 29, at the Interop 2008 conference in Las Vegas, Mellanox Technologies Ltd. was granted the Best of Interop award in the Data Center and Storage category for its ConnectX EN 10 gigabit Ethernet (GbE) server and storage I/O adapter with Fibre Channel over Ethernet (FCoE).

The Santa Clara, Calif.-based interconnect product supplier announced its ConnectX EN 10 GbE network interface card adapters for VMware- and Citrix XenServer-based virtual environments in February.

According to Mellanox, adapters maintain 9.6 Gbps throughput as the number of virtual machines in VMware ESX Server 3.5 scales up to 16 in multicore CPU environments. This improves server utilization because more VMs can be deployed per physical server while maintaining application I/O performance.

ConnectX EN is also the first adapter to support FCoE hardware offload and Priority Based Flow Control, both of which boost performance.

With support for PCI Express 2.0, ConnectX EN dual-port FCoE adapters are available today in silicon form for LOM (LAN on motherboard) applications and as PCI Express adapter cards that plug into server and storage systems with various media interconnect support including XFP, SFP+, CX4, and 10 GBase-T.

The finalists for the 2008 Best of Interop Awards were selected by InformationWeek’s panel of judges. Other finalists in the same category include Foundry Networks Inc.’s BigIron RX Module and Imation Corp.’s SSD PRO 7000.

Sun updates Solaris 10 OS for better performance, management

Sun Microsystems, Inc. has updated its Solaris 10 operating system (OS) today, The Solaris 10 5/08 OS, which is now available for free download.

Larry Wake, product manager for Solaris, details the new features in a video blog. Some of the features include new hardware support for systems based on AMD, Intel and SPARC processors, and increased performance and power management features for existing systems. In addition, a new feature called CPU Capping lets users set a limit on CPU usage for better management of system resources.

The new Solaris 10 also includes the ability for Solaris Containers to support virtualized environments based on earlier versions the OS - Solaris 8 and 9. This allows users running a physical instance of Solaris 8 or 9 to move those instances to containers running on a Solaris 10 system, according to Sun.

The Solaris 8 OS was originally released in February 2000, superseded by Solaris 9 OS in May 2002, and the Solaris 10 OS was initially released in January 2005.

More details on the updated version of Solaris 10 are available on Sun’s blog.

AMD quad-core processors shipping in Dell servers, VMware-certified

AMD announced today that Dell Inc. is now offering five server platforms based on AMD’s quad-core Opteron processors. This news follows last week’s announcement that quad-core AMD Opteron processors are generally available, and brings the number of available global OEM platforms based on the new processors to 13.

Additionally, VMware Inc. has completed qualification of Quad-Core AMD Opteron processors for use in VMware ESX and ESXi hypervisor deployments.

This is important because the erratum that impacted earlier versions of quad-core AMD Opteron processors was particularly relevant to virtualization environments. This certification signifies that AMD’s processor as compatible with virtualization environments, an AMD spokesperson said.

Dell servers supporting Quad-Core AMD Opteron processors include the PowerEdge SC1435, 2970, M605 blade server and 6950 platforms, all two-socket systems, as well as the new PowerEdge T605 tower server.

For more information on the Quad-Core AMD Opteron processors visit AMD’s website . Information on Quad-Core AMD Opteron processor pricing can be found at http://www.amd.com/pricing.

AMD quad-core Opteron processors available - for real

Sunnyvale, Calif.-based Advanced Micro Device Inc. (AMD) announced that customers can get the quad-core AMD Opteron processors through its channel partners starting today.

AMD first introduced its quad-core Opteron processor, code-named Barcelona, back in September and stalled mass shipments due to an errata that was found. It was corrected and shipments have officially begun.

Compared to AMD’s dual-core processors, quad-core offers better performance, as well as virtualization and power-saving features. The AMD-V feature allows users to do live migrations of virtual machines between all Opteron processors, and future versions. Another cool feature is the Dual Dynamic Power Management with integrated power controller, which allows power to be distributed to the memory and the CPU at different levels, depending on what the application requires.

Ten AMD Validated Server Program platforms are shipping with the processors today, including the recently-launched HP ProLiant G5 platforms; the first of many quad-core Opteron-based systems expected to be available in the coming weeks from global OEMs and system builders.

Last year, a number of x86 operating system vendors announced they optimized their systems to work in concert with quad-core Opteron, including Microsoft, Novell Inc., Red Hat Inc., Sun Microsystems Inc., and VMware Inc.

The official shippment of these Opteron processors is big for AMD because the company’s arch nemesis, Intel Corp., has beaten AMD to the punch many times over in the past year and a half by introducing a number of quad-core Xeon processors, including low voltage versions and 45nm quad-core technology.

AMD debuted its 45nm processor platform at the CeBit electronics exhibition in Dresden, Germany, on March 4 and expects to ship those chips later this year. By shrinking from 65 nm to 45m, AMD can add coveted cache memory directly onto the chip.

A variety of AMD’s 65nm quad-core Optern platform options are available today from Tyan, Supermicro, and Uniwide.

More information and pricing can be found on AMD’s website.

New website allows users to compare and rate blade servers

Sydney, Australia based-Ideas International Inc. has launched an open source-style website to compare and rate the functional capabilities of blade servers on Monday, April 7.

The IT research and analysis company’s new site for Collaborative Product Evaluation looks at medium-sized blade servers and will include enterprise-level blade server data by mid-summer, said Jim Burton, the vice president and senior analyst for entry-level servers and blades at Ideas International.

The site lets users compare various components of the servers that fall under the umbrellas of platform functionality, environmental footprint, virtualization functions, reliability, serviceability and manageability, and deployment considerations.

The information is based on the hardware specifications, interviews with end users, and performance data, Burton said.

“We establish the appropriate ratings, but it is an open source-style website, so users can affect these ratings too,” Burton said. Of course, Ideas International give the user feedback a credibility rating, so only statements supported by concrete data can actually bring a rating up or down, he said.

The site is pretty handy if you are on the market for blade servers, especially because the site allows you to make comparisons based on your priorities. If you need power efficiency, you can compare boxes based on that alone. Same goes for factors like “green-ness,” cost, networking and so forth, said Burton.

Ideas International also has evaluation sites for x86 virtual machine platforms and plans to create evaluation sites for Unix-based systems and Linux in the near future, so keep an eye out for those.

Virtual Data Center e-zine: A deeper look at virtualization technologies

This blog post was written by Mark Schlack, vice president of editorial, TechTarget.

What kind of network works best for high-density virtual machine (VM) farms? Can you run OLTP databases on VMs? If you put your email server on a VM, what should you beware of?

It’s hard to find answers to those kinds of questions, and answers often start with “It depends.” But the questions are important, indeed critical, for some shops as they scale up. For that reason, we are launching an e-zine this week called Virtual Data Center.

If you’re looking for a deeper dive into some of the thornier questions about virtualization and the new data center being built around it, this is for you. Take the first issue: It features an article by a veteran integrator of Oracle and VMware that makes the case for putting production databases on virtual machines. The article gets into what you need to do to make that work. Similarly, a second article gets into creating a storage architecture for VM farms.

Our goal is to create, magazine-style articles that can go further than tips or blog posts in analyzing these issues. It’s free and will appear six times a year. Each issue will address an application area and a technology issue. The authors will be experts, frequently with direct hands-on experience.

We’ll also follow up articles with blog posts and survey research that’s part of each article. You can take our survey on virtual databases here as well as our survey on storage in virtual environments.