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Cross-vendor virtualisation slow to take off

Quoting from ComputerWorld

Three years’ worth of market hype hasn’t been able to overcome one apparent truth about multi-vendor storage virtualisation: virtually no one is doing it.

At the recent Storage Networking World conference in San Diego, customers and industry analysts said there are a number of reasons why network executives aren’t rushing out to buy intelligent fibre channel switches or appliances that virtualise or pool the storage resources on arrays from different vendors.

“Heterogeneous — that’s a good word,” says Tony Prigmore, senior analyst at the Enterprise Strategy Group. “You have a classic situation where all the branded vendors are going after their installed base. That’s happening with IBM’s SAN Volume Controller [and] it’s happening with HP, Hitachi Data Systems and EMC. Vendors are just now starting to expand to support arrays from other vendors.”

So far, Hitachi, HP, IBM and Sun are shipping either array-based storage virtualisation or fibre channel switches that pair with server appliances to add intelligent services to the storage fabric. Hitachi has an intelligent controller in its TagmaStore array that virtualises the storage resources attached to it. IBM and EMC manufacture server-based appliances that attach to director-level fibre channel switches from Brocade, Cisco and McData to virtualise storage resources.

All these companies say they support heterogeneous storage virtualisation. Hitachi’s TagmaStore, for instance, can connect to IBM Enterprise Storage Server and EMC’s Symmetrix and Clariion products.

To read the entire article, click here.

Published Monday, May 01, 2006 6:14 AM by David Marshall
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