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SCSI Express is the robust and proven SCSI protocol combined with PCIe that creates an industry-standard path to PCIe-based storage. SCSI Express combined with SAS-based solutions provides ...

SCSI Express is the robust and proven SCSI protocol combined with PCIe that creates an industry-standard path to PCIe-based storage. SCSI Express combined with SAS-based solutions provides unprecedented performance and low latency that enterprises demand.

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    Scsi express overview Scsi express overview Presentation Transcript

    • Extending the SCSI Platformof InnovationMay, 2013www.scsita.org www.scsiexpress.org
    • SCSI Express OverviewWhat is SCSI Express? Proven SCSI protocol combined with PCIe, creating anindustry standard path to PCIe-based storageWhy do we need SCSI Express? Deliver proven enterprise storage for PCIe-based storagedevices in a standardized ecosystem Take advantage of lower latency PCIe to improve performance Unified management and programming interfaceMay, 2013 2
    • iSCSIFCFCoEParallel SCSISASSCSI:The Most Widely Implemented Logical Storage ProtocolOperates Over Numerous Transport LayersATAPI (ATA, SATA)USBMemory sticksFirewireInfinibandUSB Firewire ParallelSCSI3SCSI is Everywhere!May, 2013
    • Reliability Proven enterprise SCSIecosystem Architected for highavailabilityPerformance andInnovation Increased performancethrough lower latency foremerging advancedtechnologies Enables new storagearchitecturesInvestmentProtectionCoexistence with SAS viaExpress Bay and commoncommand setLeveraging robustmiddleware ecosystem4SCSI Express Value PropositionMay, 2013
    • Leading serverI/O interconnectAccommodatesPCIe, SASand SATA drivesFlexible, highperformancequeuing layerPackages SCSI fora PQI queuinglayerStorage command set5SCSI Express ComponentsMay, 2013
    • ServerPCIe Root ComplexO/S and ApplicationsPCIExpressSOP-PQI DriverPCIExpressBackplane with SFF-8639 connectorsSCSI Express SSDs6SCSI Express SSD in a ServerMay, 2013
    • Express BaySFF-8639 multifunction connectorSupports multiple protocols/interfacesPCI-SIG electrical specificationUp to 25 WattsObjectivesPreserve the enterprise storage experience for PCI Express storageMeet SSD performance demandsServiceable, hot-pluggable Express Bay opens up new possibilities…7Express Bay ConceptMay, 2013
    • SCSIExpress Drive/Device SOP-PQI protocol Connects to SFF-8639 PCIe up to x4 interfaceSCSIExpress Controllers Supports SOP-PQIdriver functionality onthe controller to thetarget device onthe PCIe lanes Typically supportsSAS/SATA devicesSCSIExpress Driver Driver supplied bystorage OEMs, IHVs orOSVs Open-source Linuxdriver availableCYQ1138SCSI ExpressHardware/SoftwareMay, 2013
    • SCSI Express Naming◆ SCSI Express Drive:SCSI Express SSDSCSI Express HDD(SCSIe SSD or HDD)● A PCIe data storage device using solid-state drive technology in a 2.5” SmallForm Factor (SFF) or 3.5” Large Form Factor (LFF) that utilizes SCSI overPCIe (SOP) and PCIe Queuing Interface (PCIe) to communicate with thePCIe bus on the host.◆ SCSI Express RAID Controller:● A PCIe controller with Redundant Array of Independent Disks (RAID) faulttolerance capability that communicates SCSI over PCIe (SOP) and PCIeQueuing Interface (PCIe) commands to the PCIe bus on the host.May, 2013 9
    • SCSI Express Naming◆ SCSI Express Card Drive:SCSI Express SSCSCSIe SSC(SSC=Solid State Card)● A PCIe data storage device using solid-state drive technology in a PCIe cardform factor that utilizes SCSI over PCIe (SOP) and PCIe Queuing Interface(PCIe) to communicate with the PCIe bus on the host.◆ SCSI Express M.2 Drive:SCSI Express SSMSCSIe SSM(SSM=Solid State Module)● A storage device using solid-state drive technology in a M.2 form factor thatutilizes SCSI over PCIe (SOP) and PCIe Queuing Interface (PCIe) tocommunicate with the PCIe bus on the host.www.scsita.orgMay, 2013 10
    • SCSI Express Naming◆ SCSI Express Bridge:● A device using that communicates SCSI over PCIe (SOP) and PCIe QueuingInterface (PCIe) commands downstream to the PCIe bus on the host.◆ SCSI Express Switch:● A device which transmits SCSI over PCIe (SOP) and PCIe Queuing Interface(PCIe) packet commands to and from a host to a SCSI Express deviceconnected to the switch.May, 2013 11
    • SCSI Express Naming◆ SCSI Express Mezzanine Drive:SCSI Express SSM(SCSIe SSM)● A proprietary PCIe data storage device using solid-state drivetechnology in a blade mezzanine card form factor that utilizes SCSIover PCIe (SOP) and PCIe Queuing Interface (PCIe) to communicatewith the PCIe bus on the host.May, 2013 12
    • CY2012 CY2013 CY20141H’12 2H’12 1H’13 2H’13 1H’14 2H’14SOP proposal complete2H 2012SOP proposal complete2H 2012SCSI Express samples1H 2013SCSI Express samples1H 2013SOP/PQI Letter BallotSPEC stability2H 2012SOP/PQI Letter BallotSPEC stability2H 2012Express Bay available2H 2012Express Bay available2H 2012SCSI Express driver availability(open source Linux/other IHV)1H 2013SCSI Express driver availability(open source Linux/other IHV)1H 2013Plugfest #12H 2013Plugfest #12H 2013Plugfest #21H 2014Plugfest #21H 2014SCSI Express devices/controllers available1H 2014SCSI Express devices/controllers available1H 201413SCSI Express TimelineMay, 2013
    • Targeted for enterprise environmentswhere low latency and high performance is critical:● Caching● Virtualization (VDI)● High Performance Computing (HPC)● Complex Algorithm Processing, Simulations and Modeling● Front-end Web Servers● Data Warehousing● …..And much more!!!!Respond to increasing demands for data14SCSI Express Target EnvironmentsMay, 2013
    • Enterprise PCIe-based storageIndustry standards pathIncreased performance through lower latencyCoexistence with SAS via Express BayProven SCSI protocolUnified management and common command set15SCSI Express SummaryMay, 2013
    •  SCSI Express 12Gb/s SAS, 24Gb/s SAS Performance and scalability Power Limit Control - up to 25W Devices Both SAS and SCSI Express Extended Copy Feature Atomic Writes Hinting & other NVM Features16SCSI – Looking to the FutureMay, 2013
    • www.scsita.org17STA Member CompaniesMay, 2013Sponsor Members:Principal Members:Promotional Members: