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Strategies & Market Trends : Zeev's Turnips - No Politics -- Ignore unavailable to you. Want to Upgrade?

To: Chuck Williams who wrote (1461)	10/25/2001 5:26:31 AM
From: Steve Lee	Respond to of 99280

A server with 3 SCSI channels can approach bandwidth twice that of a FC setup with dual 1Gb connections. Plus SCSI achieves closer to its maximum theoretical bandwidth than FC when the FC is shared between more than one server/disk controller. Then consider that these 3 SCSI channels outperform the total bandwidth of a typical 2Gb setup that is shared between multiple servers. In terms of FC cables being routed under the floor, FC cables have to be looped in a larger diameter than either SCSI or cat5/cat6 or power cables. You will find loops of cable inside the cabinet, whereas other cables are routed around cable management arms, or along the edges of the cabinet itself. This introduces a real risk of problems when the cabinet door opens and a human dislodges the cabling. Downtime is almost always due to a human being doing something careless with cables, rather than some kind of equipment failure.