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Access "Fibre Channel and ATA: An Odd Couple?"

Published: 16 Oct 2012

Those IT shops that build SANs are typically characterized by their demanding performance requirements. Those that buy ATA-based arrays are looking for cost savings. So at first glance, a Fibre Channel-connected ATA RAID array can seem like a real oxymoron. But Fibre Channel and ATA might not be such so mismatched after all. Certainly, there's no dearth of these products on the market-for example Atto's Diamond Series RAID arrays, Chaparral's S4100 F-AT Disk RAID system, Nexsan's new ATABeast, and now BladeStore from StorageTek. Hallmarks of the FC/ATA RAID array are usually their capacity, and a low cost per megabyte. For example, StorageTek's BladeStore can scale from 4TB to 160TB behind a single RAID controller. As bigger ATA disk drives come out, that capacity will increase to 250TB, says Tom Major, vice president and general manager for StorageTek's disk business unit. Cost per megabyte, meanwhile, ranges between $3/GB for Nexsan's ATABeast, to $21.25/GB for StorageTek's BladeStore. In comparison, pricing for RAID arrays built on Fibre Channel or SCSI ... Access >>>

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