He says the volume manager in EMC's PowerPath 4.0 uses a central metadata server, whereas Veritas's software stores that information with each individual volume. "We had the advantage of not having a volume manager built in the Dark Ages," Gahagan says. [Ed. note: Was that around the same time the candle-powered Symmetrix was introduced?]
Here's a rundown of the network-hosted storage application strategies of the major storage systems players to date -- none of which, we should point out, currently has Veritas or any of the virtualization switch startups on its short list of partners:
Current market dynamics favor the direction this group chooses, because customers are most comfortable buying certified and supported SAN infrastructure from their storage suppliers. Could that change? Certainly, but for now the deck is stacked against the players who are outside this circle.
Todd Spangler, US Editor, Byte and Switch
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