Some of HP's initial internal tests with the Rhapsody switch indicate that it runs two to three times faster than the standalone CASA box, according to Sorenson. But today, he says, customers aren't running out of headroom on CASA.
"Heterogeneous replication and virtualization are the killer app for this," he said. "This is the 'universal storage adapter' -- people are looking for ways to maximize their existing infrastructure."
However, at least one HP customer is eagerly anticipating a performance boost greater than the PC-based CASA alone can deliver. National Medical Health Card (NMHC), a company based in Port Washington, N.Y., that manages prescription drug programs, is using the CASA appliance today to handle replication among some of its midrange storage systems. Mark Deck, director of infrastructure technology at NMHC, says he's uncomfortable putting CASA in front of its high-end HP XP256 array, which runs an Oracle database, until HP optimizes it to work with special-purpose networking hardware.
"What they were talking about with Rhapsody had me champing at the bit," he says. "There's no doubt that I'm going to connect this to my enterprise storage, but only after they resolve this bottleneck."
Todd Spangler, US Editor, Byte and Switch
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