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HP tech bigwig on the zen of Windows open source

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You might think the hard work for Hewlett-Packard is done, after it came from behind to build its own Amazon-style cloud so quickly. But the difficult part – taking on Amazon and winning with open source – lies ahead.

HP

The world's biggest PC maker lifted the lid yesterday on the biggest change to its business in recent history.

The HP Cloud Compute free beta ended on Thursday with a rash of 40 partners announcing that they are all now available on or in support of HP's cloud – Rightscale, ActiveState, CloudBees, Dome9, EnterpriseDB and others. The period of construction and half-priced sign-ups is finished. Now it's down to business.

Forget former chief executive Carly Fiorina's folly of buying Compaq in 2002 for $25bn: that just added more computers to the existing line-up. And Mark Hurd's $13.9bn EDS buy in 2008? Services based on servers and, yup, PCs.

HP Cloud Compute is a leap from terra firma into a blue-sky world. HP is hoping to sell something frighteningly intangible for a bunch of box jockeys who feel rather more comfortable with product in, product out, margin and mark-up. Now they are selling compute cycles, storage capacity and bandwidth: stuff you can't see, touch or mark up.

A tweet from April's OpenStack design conference in San Francisco, California, hinted at the scale of what HP is selling: 2,000 nodes, "multi-petabytes" of Swift storage capacity and "pricing to match AWS". HP won't comment on the these numbers.

Stacking up

HP is doing all this using a piece of software it can't claim to own and that, in itself, doesn't confer any kind of competitive advantage. HP Cloud Compute uses the open-source cloud architecture called OpenStack – in which it is a part player along with nearly 200 other companies also fighting for a place in a gold rush era in the history of computing. Dell is putting out OpenStack reference implementations, NTT is building furiously with OpenStack and AT&T has joined up.

Worse – yes, there is worse to come for Palo Alto's box monkeys – the PC maker, along with all those other OpenStackers, is going up against Amazon's EC2, the critical mass monster of cloud.

Amazon's cloud earned the bookseller an estimated $1.08bn in the first nine months of last year – up 70.4 per cent compared to 2010 – while the amount of data Amazon holds hit 762 billion objects, more than doubling last year.

It will get bigger as Amazon becomes an infrastructure for other clouds such as Heroku and makes it easier for enterprise customers to upload their data and embrace .NET to pull in Microsoft shops.

HP's road to cloud has been laid down pretty quickly, if a little late. It only joined the OpenStack project relatively late – in July last year. That was after 90 others, including Rackspace, a co-founder which had been there 12 months before. Amazon's EC2 floated in 2006 while Microsoft opened Azure in early 2010.

HP has also delivered in spite – yes, in spite – of a partnership with its long-time PC and server operating system buddy Microsoft. The computer maker is more than just one of Redmond's biggest partners on PCs, servers and services; it was supposed to be on the inside of the cloud tent too – as an early adopter of Microsoft's cloud, Windows Azure.

HP, Dell and Fujitsu were named by Microsoft in 2010 as planning appliances running the Windows Azure code that would slot in to their own data centres as well as those of their customers. The three firms – along with eBay – were also supposed to launch services running Windows Azure appliances in their data centres.

HP Cloud Services logo

Yet two years later, HP has started a cloud service, and it doesn't run Windows Azure, it uses OpenStack instead. Bear in mind that HP only joined OpenStack one year after the supposed Microsoft Windows Azure deal.

HP is now delivering OpenStack compute, storage and networking running on HP servers, storage and network equipment. Also, the operating system running HP's cloud is Linux - versions of Ubuntu, Fedora and CentOS can be spun up as virtual instances.

What happened? Why did the cloud business side of HP go for open source when the PC side dumped the open-source client-side experiment of previous CEOs Hurd and Apotheker – which began with the purchase of Palm for $1.2bn – and went for Windows?

Slow Windows

Zorawar Biri Singh, the HP executive in charge HP's cloud services, who joined from IBM in early 2010 to float the service, told The Reg this week that open source and OpenStack, licensed under an Apache licence, allowed HP to get up and running faster.

He said: "In the year I've been here, my emphasis has been to get our core infrastructure up ... For HP it was about getting the infrastructure to run the stuff on and have a compelling platform."

Singh reckons HP remains committed to Windows Azure, but the language sounds clipped, as it seems Windows Azure will be a guest on OpenStack – a platform as a service (PaaS) – instead of providing the underling infrastructure as a service (IaaS). Also, its Windows Server will likely become just another guest alongside the Linuxes.

Singh: HP is building on global scale

Redmond not out

"We are still working very closely with Microsoft," Singh assures The Reg. "Windows Azure is very much on our roadmap. We will talk about it shortly – we had our hands full. Microsoft is a great partner and we will leverage that."

Singh reckons Windows Azure was PaaS from the get-go, but that's not how Microsoft spun it in 2010, when the idea was for Windows Azure to run on those appliances. "PaaS might have been premature."

Let's assume that as OpenStack is under an open-source licence, HP was automatically granted the freedom to customise and tune the OpenStack code – which it couldn't have done if it had worked with the proprietary and Microsoft-controlled Windows Azure. Fine, but the real problem is there's a dearth of skilled engineers out there who know how to actually program OpenStack code.

Those who do know much about it are busy setting up their own start-ups – companies like Piston Cloud. Piston Cloud's chief technology officer Josh McKenty was chief architect for NASA on the Nebula component that comprised one half of 2010's original OpenStack announcement with Rackspace.

HP has been hiring in an attempt to close the gap: in September 2011 Singh brought on board MySQL architecture director and Drizzle lead architect Brian Aker as an HP fellow, with special responsibility for platform-as-a-service and development-as-a-service engineering.

MySQL was sold by Oracle to enterprises and OEMs but runs at web scale inside Facebook and Twitter. Aker, in turn, has recruited engineers in MySQL, Drizzle, Scala, Postgres, Ruby on Rails, Python and Open Stack. HP went on to announce MySQL-as-a-service on its cloud.

A lot of the hard work has taken place in the basic OpenStack Nova compute and Swift storage code, Singh says, especially tuning Nova to manage compute frameworks and to transfer information. "Not too many people have the experience or will of conviction to dive in - there's a ton of hard work. It's really difficult, but folks are committed to it," he said.

Singh says HP is still learning how to work with OpenStack but is bringing to bear its experience in large data centres. "We understand how to serve large web 2.0 customers doing scale. We've taken that hardware IP software stack and converted it to things in open source like OpenStack," he said.

No billion-dollar data centres

Singh declined to comment on the numbers of customers, nodes or petabytes mentioned in the tweet but reckoned HP is building on a "global scale". "This has lots to do with how do you deal with scale and how to you scale to hundreds, thousands and hundreds of thousands of nodes across geographies and giving it the robustness and service quality that customers expect over time. We are in the early stages of figuring that out," he said.

HP won't build out its own data centres to achieve that, unlike Microsoft or Amazon, he said. Rather the company will use its existing facilities and exploit relationships with service providers who will install HP servers and reference architectures running OpenStack.

Singh is particularly excited by the HP EcoPOD, a take on the old Sun Microsystems trailer-computing idea that you drop off and remove by truck, according to demand.

"You won't see HP invest billions of dollars in data centres next to a dam because those are built for specific workloads, like search clusters. You will see us populate existing data centres [and] provide eco pods to rapidly stand up to meet local demand," Singh said.

HP EcoPOD

HP Ecopod: Data centre in a box

High performance access to file storage

Next page: Beating the beasts

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