Startup takes new approach to server virtualization

By , IDG News Service |  Storage

A little-known, Boston-area startup is beta-testing technology designed to let users quickly configure "virtual" multiprocessor systems out of inexpensive PC machines. Called Katana Technology Inc., the 30-person company has not yet revealed details of its upcoming product, but appears to have developed a novel approach to consolidating data center resources.

Founded in 2003, Katana has developed software that runs directly on computer hardware, beneath the operating system. The software can run a number of virtual machines on a single server. A virtual machine is a self-contained operating environment consisting of software that appears, to an application or an operating system, as though it's an entire computer.

Software from rival developers also accomplishes the feat of managing multiple virtual machines on servers, but Katana's technology can also be used to make a large number of smaller PCs appear to be a very large, symmetric multiprocessing machine, said Scott Davis, Katana's president and chief technical officer.

Katana's approach to virtualization is similar to that pioneered by Digital Equipment Corp.'s VAX clusters, but the technology is designed to work with hardware and software that is much more widely adopted than Digital's proprietary products, said Davis, who once served as the technical director for VAX clusters.

The initial release of the Katana product, expected in April, will work with Red Hat Inc. and Novell Inc.'s distribution of the Linux operating system and with hardware based on Intel Corp.'s x86 microprocessors, he said.

One of the key benefits of the Katana technology is that it can be used to take applications that are normally installed on large multiprocessor systems and run them on a number of smaller, less expensive dual-processor machines, according to Davis. Such applications include database or enterprise resource planning systems.

"Trying to split an application across multiple systems is hard," Davis said. "We've done that through virtualization, and that's one of the key differentiators that we have that nobody else has."

More details on the Katana products will come during an official company launch in February, by which point Katana expects to have changed its name to VirtuOS Computing Inc.

The technology, currently being tested in a number of pilot projects, will only work with computers that use network-based storage, Davis said. Servers in a Katana-managed system will start up a virtual machine instead of an operating system. That virtual machine will be managed by special hardware that will pool data center resources into "virtual computers" that will, in turn, start up the operating system, according to Davis.

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