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Access "SAS bumps up speed to 6Gigs"

Published: 22 Oct 2012

Serial-Attached SCSI (SAS) drives are getting their first technology refresh since 2005. The major change is a doubling in bandwidth from 3Gb/sec to 6Gb/sec, but other enhancements are in the works to make SAS a better fit for storage networks and to position it as the eventual successor to Fibre Channel (FC) drives in SANs. Dell, LSI and Seagate demonstrated 6Gb interoperability at a May 6 SCSI Trade Association (STA) event using Dell servers, LSI SAS RAID-on-chip and expander components, and Seagate 6Gb SAS and SATA hard drives. The STA has also scheduled a 6Gb SAS plugfest for December 6 at the University of New Hampshire, and expects 6Gb SAS drives to ship to users in late 2009. Besides going to 6Gb, the next-generation SAS drives will include: Standard zoning, which eliminates compatibility issues caused by vendors implementing unique zoning Decision Feedback Equalization (DFE) to ensure more reliable links Longer cabling; the STA's goal is to support 10 meters, up from the current maximum of eight meters to 10 meters Any-port to any-port connectivity ... Access >>>

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