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HP Trials iSCSI on Unix: Page 2 of 3

"One of the really clear uses of iSCSI is to get to Fibre Channel SANs -- it's a cost-effective way to talk to block storage," Smith says.

Jamie Gruener, senior analyst at Yankee Group, says Having an iSCSI driver for HP-UX will be important as HP rolls out the iSCSI storage router, especially in larger enterprise accounts where customers are trying out iSCSI in different deployment scenarios. "The question will be how far iSCSI storage support will extend on the target side," he says.

There is a bit of a chicken-and-egg problem. Today, native iSCSI storage devices are still scarce; one of the few vendors providing support is Network Appliance Inc. (Nasdaq: NTAP) (see NetApp Blitzes on iSCSI). "There's obviously a question around getting the whole iSCSI value chain in place, but the pieces are coming into place," Smith says.

More broadly, analysts see HP's move as another step in the long march toward universal iSCSI support among server and storage technology vendors.

"It's another bullet in the iSCSI gun," says Steve Duplessie, senior analyst at Enterprise Storage Group Inc. "All by itself it's no big deal, but with all the other ammo it could cause some real damage."