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12Gb/s SAS Market Objectives Review Meeting

Join us for an in-depth discussion on 12Gb/s SAS market objectives. Agenda includes consensus points from previous meetings, maintaining compatibility, improved storage system RAS attributes, and more. Let's shape the future of SAS technology together!

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12Gb/s SAS Market Objectives Review Meeting

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  1. 12Gb/sec SAS Sync-up 03/08/2010 www.scsita.org

  2. Agenda • Review STA 12Gb/sec Market Objectives • Review consensus points (or lack of) from previous meetings • Discussion www.scsita.org

  3. 12Gb/s SAS Market Objectives • Preserve existing SAS architecture • Preserve 3Gb/s SAS & 6Gb/s SAS usage models • Maintain backwards compatibility and intermatability to current 3Gb/s & 6Gb/s SATA/SAS backplane device connectors • Continue 6Gb/s SATA and future SATA compatibility • Encourage improved storage system RAS attributes • Double transfer rate • Improve cost/performance & power/bandwidth ratio • Reduced # of connections per Gb/s • Maximize link utilization when using devices operating at less than 12Gb/s • Maintain and Support SAS Advanced Connectivity roadmap • Encourage broad adoption of mini-SAS HD required for external DRAFT www.scsita.org

  4. Concensus Points from Previous Meetings • Encoding scheme • 8b/10b encoding preferred • Changing would be a significant challenge and TTM impact • Distance • Target same distance as 6Gb • 10m/20m/100m • Connectors • Higher density with active and optical options • Done in SAS 2.1 • Drive connectors need to remain compatible • Improvements may be needed www.scsita.org

  5. Concensus Points from Previous Meetings-Cont. • SATA Compatibility • Maintain compatibility with 6Gb.sec SATA • Currently SATA-IO has no plans for 12Gb/sec SATA • Bandwidth Aggregation • Keep Multiplexing ? • Add Store and Forward?, Other? • Backward compatibility • Security • Interest in adding additional security features • No consensus www.scsita.org

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