July 26, 2006 1:37 PM PDT

Storage-server hybrids coming into vogue

When designing a data center, conventional wisdom holds that servers should do the thinking while storage systems should hang onto the data. But some industry heavyweights have begun seeing things a little differently.

IBM's machines based on its Power5+ processor now have features that enable a storage-server hybrid design. And this month, Sun Microsystems began selling a hybrid of its own, "Thumper," a 7-inch-tall, 24-terabyte system officially called the Sun Fire X4500. And HP is tackling the idea with new blade servers.

While neither company expects hybrid systems to dominate, they argue there are some situations where it's good to have mixed abilities. IBM likes the idea of processing to intelligently manage storage tasks such as indexing, while Sun sees the combination as good for those who need a powerful, reliable way to pump data such as video streams onto a network.

"The lines are blurring," said Illuminata analyst Gordon Haff.

Historically, storage was often built into a server or directly attached to it. But within a big-computing infrastructure, storage increasingly has been relocated into a separate domain to improve efficiency and to ease management and maintenance.

For that reason, some see storage-server hybrids as a throwback.

"To be honest, we're seeing the market move in the opposite direction (than in the past)," said Patrick Rogers, vice president of products and partners at networked storage powerhouse Network Appliance. "People are disaggregating storage. They want to pool it for utilization and efficiency reasons."

Thumper X4500 storage-server hybrid

Indeed, revenue from networked storage systems is growing faster than from storage overall, according to an IDC study. Where the market for networked storage devices increased 15.4 percent to $2.8 billion from the first quarter of 2005 to the first quarter of 2006, overall storage sales grew more slowly, at 6.7 percent, to $5.8 billion.

But Sun is bullish about the idea, and its respected x86 server engineer, Andy Bechtolsheim, built a start-up called Kealia around the approach. Sun acquired Kealia as part of an effort advance x86 server designs quickly, so it could carve a place in the market it had shunned for years.

The case for Thumper
"I expect we'll be selling this in probably 60 percent of customer installations. I think it'll be a high-volume unit," said Graham Lovell, Sun's senior director of systems.

The X4500 had been code-named StreamStor at Kealia, which planned to sell it as a streaming video device. Sun built a much broader "Galaxy" x86 server line around Kealia's designs, but initially canceled the StreamStor project. When John Fowler took over the x86 server group, though, he resurrected it and gave it the new code name, Thumper.

"StreamStor...denoted a complete package including streaming software. Nobody was coming up with a better code name, and it was very confusing," Fowler said. "So one day on the way to work, I decided to call it 'Thumper' after the fairy tale rabbit, with the specific idea that this would be such a stupid name that someone would come up with something better. No one did, and from now on I'm not allowed to name anything."

Video streaming still is one of the uses that Lovell envisions for the X4500. Specifically, an X4500 can be a staging area to store video data while it's being streamed reliably to customers. The video archive could be stored on lower-performance devices, he said.

Another use is high-performance computing. The Tokyo Institute of Technology uses multiple systems to pump data in and out of a cluster of Sun servers that in June was ranked the world's seventh-fastest supercomputer.

And Lovell said large retail customers are contacting Sun about using the X4500 to store recent surveillance video. Processing power could let customers immediately retrieve specific video from recent weeks, process and compress data, or automatically handle archiving duties.

Some don't share Sun's enthusiasm. "Sun is out at the front of the pack on this, but whether or not there's going to be any market demand for that is a real unknown. It's a risky offering," said Pund-IT analyst Charles King.

But one company is betting hybrid systems will be useful: Greenplum, a 30-person start-up that sells business intelligence software for tasks such as identifying purchasing trends or customer Web-surfing habits. The company announced a deal with Sun on Wednesday to sell its software bundled with Sun's hardware.

CONTINUED: Big Blue and HP…
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Kealia, x86 server, Sun Microsystems Inc., storage system, streaming video

2 comments

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Brilliant!
Hey, let's put a hard drive or two in our next server.

Brilliant!
Posted by mfischer2 (9 comments )
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intermixed storage and compute servers
We intermix storage and computer servers using standard hardware running Linux, because it leads to much much higher aggregate bandwidth. We are developing an open source software framework named Hadoop to help application writers use their clusters effectively. More information can be found at <a class="jive-link-external" href="http://lucene.apache.org/hadoop/" target="_newWindow">http://lucene.apache.org/hadoop/</a>
Posted by owen.omalley (1 comment )
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