NAS gateways let data be stored in a file format like on any NAS appliance. However, unlike the NAS appliance, which has its own integrated storage capacity, the data is actually stored on SAN arrays in block format. This allows a company's data to be consolidated on fewer devices for ease in management.
IBM has had a midrange NAS gateway for some time, but customers were looking for increases in performance, reliability and availability, Vaughn said.
The Gateway 500 can address up to 224 Tbytes of data, compared to a maximum of 22 Tbytes with IBM's existing Gateway 300 product, said Vaughn. It currently supports storing the data on IBM's Shark and FAStT storage arrays, as well a on certain models of Hitachi Data Systems and Hewlett-Packard arrays, he said.
On the software side, Computer Associates International, Islandia, N.Y., released version 11 of its BrightStor ARCserve Backup software for Windows. It follows the release of version 9 about a year ago. There was no version 10, said Steven Menges, director of BrightStor product marketing. "We took the functionality intended for versions 10 and 11 and put them all in version 11," he said.
New in Version 11 is technology that leverages Microsoft Windows Server 2003's Volume ShadowCopy Service (VSS), which allows point-in-time copy capabilities to be integrated between the operating system and applications, said Menges.
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