Storage Soup

May 11 2009   7:23PM GMT

Tandberg hitches hopes to new VTL

Beth Pariseau Beth Pariseau Profile: Beth Pariseau

Tape backup company Tandberg is battling to establish a new foothold in the disk-based data protection market following the bankruptcy of its parent holding company in Europe.

Late last month Tandberg Data’s Norwegian parent holding company filed for bankruptcy and was sold to creditor Cyrus Capital after it couldn’t repay a lapsed loan. The holding company, Tandberg Data ASA, along with an R&D arm called Tandberg Storage ASA, were an umbrella over four regional sales offices in the U.S., Germany, Singapore and Tokyo. Nothing has changed yet for those regional subsidiaries in the bankruptcy.

McClain Buggle, product manager for Tandberg Data Corp. U.S., says the U.S. organization has its own development team in Boulder, Colo., and “we are moving forward with the development of our product line and expanding our offerings.”

Today, Tandberg launched a virtual tape library (VTL) called the DPS1000 series. The VTL offers features like virtual tape stacking, in which data is stacked on virtual tape cartridges before being exported to physical tape for maximum tape utilization. Customers have the option of policy-driven tape export or native tape export that matches virtual tapes to physical tapes created by the backup application.

Tandberg’s legacy is tape systems, and this is one of its first forays into disk-based backup. The product will face hurdles in a market that’s been busily shoring up checkbox features/barriers to entry for some time now. The DPS1000 doesn’t allow the backup application to control writes to tape, a feature that has been problematic for some users of VTLs for years. APIs such as Symantec’s OpenStorage (OST) have been developed to overcome the issue with other VTL vendors.

Another key feature for VTLs today is the ability to deduplicate backup data. The importance of this feature for VTL users was the impetus for the partnership between EMC and dedupe VTL maker Quantum last year as well as IBM’s acquisition of Diligent. Buggle said Tandberg wants to offer dedupe, but is still wrestling with the “limitations on writing to tape,” which require either a method of deduping data on tape or a way to quickly reinflate data into its native format before writing it to a physical tape device. There have also been moves made elsewhere in the market on this issue, by backup software vendors CommVault with Simpana 8, and CA Inc. with ARCserve 12.5, which can both dedupe data sent to physical tape.

The DPS1000 is an iSCSI based appliance, and Tandberg is looking to use it to appeal to midmarket shops, according to Buggle. “We’re not trying to compete with the enterprise guys,” he said. Buggle said the company is aware of another trend in the VTL space, of a move among small and midsized companies to disk-only interfaces such as those offered by Data Domain and ExaGrid.

According to research by IDC, VTL is an $877 million market, with the overall data protection market placed at $2.6 billion. “I understand the trend, but I don’t think the VTL fades off completely,” Buggle said. Users may yet find that adding processes at the backup software level problematic for performance reasons, he said.

Still, storage analysts say there are table stakes in this market that Tandberg will have to catch up with if it hopes to gain significant traction. “I don’t know what hope a VTL has at this point without deduplication,” said backup expert W. Curtis Preston. “I also can’t imagine what it’s like for a company to begin developing a new dedupe product now.”

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