在 Meta 部署和扩展 QLC 闪存.pdf

1、Jesse Koh,HW Systems EngineerMadhavan Ravi,HW Systems EngineerScaling QLC Storage MetaScaling QLC Storage MetaJesse Koh,HW Systems EngineerMadhavan Ravi,HW Systems EngineerSTORAGEMetas 1st QLC Flash Server OCP Contribution DetailsDrivers of our 1st Generation QLC SolutionChallenges in the future,as

2、we scaleSummaryAgendaMetas 1st QLC Flash Storage ServerComponentDecisionAdvantageRackORv348V DC busbar;aligns to high volume products within MetaCompute1.2S Sapphire Rapids2.16Ch DDR5 Memory config3.PCIe Gen5 x4 per drive capability32MBps/TB Application PerformancePerf scaling to 2x Drive density(up

3、 to 128TB/150TB)Headroom to support Userspace FTL implementations alsoNetwork2x NIC slotsCan accept 200Gbps and 400Gbps per slotStorage2OU chassis with 24 front-removable drive slotsAccepts DFM/DirectFlashModule(U.2 long)and U.2 DrivesEnables 50PB-usable per RackHot Serviceable/SwappableSupply Diver

4、sityOCP Inspired Specification ContributionRefer to the OCP Marketplacefor the Product listingNote:The specification contribution encompasses both ORv3 21 solution as well as an EIA 19 solution.Thanks to our Design partner,Jabil,for the Contribution.OCP Contribution DetailsDrivers of Our 1st Generat

5、ion QLC SolutionTime To Market(TTM)Jabil as our OEM PartnerAdapt an existing EIA 19”-wide design to deliver a 21”-wide ORv3 based designLeverage a 2024 MP(mass-production)motherboard as-isEnabled with 2x OCP SFF 200G NICs that were qualified on other platformsOptionalityFront-accessible DFM and/or U

6、.275TB&150TB DFMs64TB&128TB SSDsUse Purestorage DFMs via Ublk driver-Plug-n-play with Metas application(/dev/nvmeX with SSDs and/dev/ublkbXwith Purestorage)Efficiency,NOW!Scenario 1:Power is a scarce resource.Optimize collocated storage power footprint to maximize GPU count in a data center.Scenario