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Vol. 3 No. 9 November 2004

Girding for Grids

The storage industry is hot for grids, but will users find their way through the hype? "People are definitely trying to hitch their wagon to this fancy marketing term," says John Joseph, vice president of marketing at EqualLogic, which makes the PeerStorage IP SAN. A grid is a cluster that connects in a mesh rather than a star topology, says Clive Surfleet, chief strategy officer at Exanet, which makes high-performance network attached storage (NAS) software. In a star cluster, he says, every node is connected to the other via a single switch. In a grid, there are multiple paths between nodes through smaller switches. From a technical perspective, the term grid is well understood, but tack on the word "storage" and you immediately get confusion. "I've heard people use the term grid with storage in two ways," says Surfleet. "There's storage for grid computing, and then there's a storage system architected as a grid." Examples of storage systems targeted at grid computing include 3PAR's InServ, whose block virtualization ...

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Features in this issue

  • The search for cost-effective disaster recovery

    Creating an efficient DR strategy starts with determining the value of your company's applications and data. You can find the right mix of DR technologies to protect your data without breaking the bank.

  • Accommodating arrays

    by  Jerome Wendt

    Modern storage arrays offer disk types to meet any need -- costly Fibre Channel (FC) disks for high-end applications requiring superior performance and availability, and lower-priced SATA disks for less-critical data. The arrays also come with mixed RAID configurations. But selecting the right mix of disks and RAID levels requires understanding the impact of those decisions.

  • Cheap SANs--Hype or Hot?

    Low-cost SANs still looking for a market

Columns in this issue

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