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To: BirdDog who wrote (5932)	1/25/2001 8:23:43 PM
From: Douglas Nordgren	Respond to of 10934

We believe the storage market has migrated more quickly than expected to a centralized environment I believe a rationalization of that statement has more to do with the concept of "Storage Virtualization" than the physical centralization of storage. Simply put, Storage Virtualization is the ability to aggregate physically separated storage devices on a network into a pool or pools, and manage the storage from a central console. NAS filers initially serve that purpose when data is aggregated from multiple servers to the NAS appliance, providing the immediate benefit of one "pool" of disk space. Eventually, a multiplicity of NAS filers on the network presents the same problem of managing volumes across individual devices, as one does not have the ability (yet) to aggregate the NAS devices into one virtual pool. The ability to combine a storage array in Seattle with an array in Chicago with SANs and manage them as one or more virtual volumes is at the heart of Storage Virtualization. I think that's what the author meant when he says the market is moving towards storage centralization faster than expected. For a better understanding of how NAS and SAN will work together in harmony, I recommend: SAN vs. NAS? lightreading.com That storage networks support two distinct approaches to backup and data delivery has fostered the notion that NAS and SANs are oppositional tactics. In reality, they're being used together. To see why, it's important to take a look at the basic technologies underlying both SANs and NAS -- and the benefits and drawbacks of both. Regards, Douglas

To: BirdDog who wrote (5932)	1/25/2001 8:55:24 PM
From: Cooters	Respond to of 10934

BirdDog, <<This also brings up a question of mine. Upon looking at drawings of these "new" systems. The look like monsters. They got all kinds of fc switches, routers, hubs, servers. They look to me to be designed to be a very expensive, inadequate, complicated solution to a companies storage needs. >> I know of one peddled to a major telecom provider as the answer to their problems. STK sold them the solution. The rep then moved on to EMC and has the same account. It was exactly as you described. This is about 15 months ago now and it still is in progress. One of the biggest drawbacks is the planning effort on each platform to hook all this stuff up, including the outages required to make all the direct connections. I am quite confident this particular project will never be implemented. Cooters