Hitachi Dedupes Virtual Tape


Hitachi Data Systems on Monday unveiled new virtual tape library (VTL) offerings aimed at midrange enterprises.

The three new HDS Virtual Tape Library Appliance models — the 500M, 1000L and 1000E — feature high-speed in-line de-duplication technology from Diligent Technologies, with dedupe speeds that can reach 400 MB/sec and a 25 to 1 de-duplication ratio that can turn the 8 to 50 TB appliances into 200TB to 1.25PB data stores. Pricing is expected to start at about $225,000.

HDS claims to be the early capacity leader in de-duplication, with more than 100 customers and some very large deployments measuring in the petabytes, said HDS product marketing manager Victor Nemechek.

"Our solution shines," boasted Nemechek.

He said HDS's 18-month-old partnership with Diligent has given the company a leg up on the likes of FalconStor, whose appliances are resold by the likes of IBM and EMC. FalconStor recently released its next-generation VTL, which includes clustered de-duplication.

HDS also claims to beat the performance and capacity of appliances from rivals Quantum, Data Domain, NetApp and Sepaton.

VTLs give users the ability to keep more data on easily accessible disk without changing backup infrastructures, and de-duplication is bring the price of disk down to the level of tape, said Nemechek.

HDS says its Adaptable Modular Storage (AMS) systems, in combination with Diligent's ProtecTIER de-duplication technology, give the company the fastest in-line de-duplication while maintaining complete data integrity.

The Virtual Tape Library Appliance Model 500M offers 200 MB/sec performance and 8 to 20 TB of raw capacity, while the 1000E and 1000L offer 300 to 400 MB/sec performance and 15 to 50 TB of raw capacity.

Gartner research vice president David Russell said de-duplication "is poised to transform the way data is protected, improving backup and recovery times and changing the economics of disk-based approaches. As a result, VTL appliances with advanced data de-duplication capabilities are increasingly important to companies as they work to improve their storage utilization and maintain data protection and recovery capabilities while reducing overall costs."

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