人工智能时代海量存储效率的演变.pdf

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1、1Mass Storage Efficiency EvolutionMohamad El-Batal Seagate Office of the CTO20252AI CLUSTERSOCP STORAGE3Areal Density Evolution4Technology Innovation is Generating Unprecedented Volumes of Data 10)Higher density(4)Best for caches close to processorsHard drives Lower cost per terabyte(1/6th to 1/9th)

2、Higher power efficiency per terabyte(4)Lower embodied carbon emission(1/10th)Best for mass-capacity storage and longer-term data retention9NVMe-HDD Simplifies Mass Storage TopologiesOCP NVMe HDD Specification was Contributed by 129 Active MembersSAS/SATA to NVMe Device Replacement Reduces System-Lev

3、el TCODirect GPU Memory Placement NVMe-oF Driver SupportOptimized TCO with Native PCIe Lane Connectivity 10High-BW EthernetCost&Performance Optimized AIStore Cached TopologyNVMe AI storage solutions with NVMe SSD+NVMe HDD technologiesGPU meets PCIe-based hard drives:Seagate and Nvidia demo NVMe HDDs

4、|Toms HardwareSeagate begins work on NVMe HDDs for cost-effective AI workloads|TechSpot$Data ThroughputData Throughput$100%SSD Based Storage Capacity 100%HDD Based Storage Capacity with SSD Caching DPU/CPULimitedDPU/CPULimited11Cooling Innovation12High Density HDD Storage Main Pain Points Acoustic f

5、an noise contamination in high-density storage enclosures causes Drive Errors&Higher Annual Failure Rate(AFR)Reducing fans rotation speed to minimize acoustics noise results in higher drive temperatures,which results in higher AFR13Cold-Plate&Thin Vapor-Chambers is the SolutionAssumptions ASHRAE W27

6、 class water cooling 8 Rows&14 Columns 112 HDD Density Higher Device Performance demandResults Lower Max HDD Temp&Avg Deviation Improved Device RAS Optimized Sustainability&TCOASHRE Standards Based Leveraging Modern Datacenter Infrastructur