Linux和Windows中的持久性内存支持技术.pdf

PM Support in Linux and Windows Dr. Stephen Bates, CTO, Eideticom Neal Christiansen, Principal Development Lead, Microsoft Windows Support for Persistent Memory 2 © 2019 Storage Networking Industry Association. All Rights Reserved. Availability of Windows PM Support Client Workstation: August, 2016: Windows 10 Anniversary Update April, 2017: Windows 10 Creators Update October, 2017: Windows 10 Fall Creators Update April, 2018: Windows 10 April 2018 Update October, 2018: Windows 10 October 2018 Update Server: September, 2016: Windows Server 2016 November, 2019: Windows Server 2019 Supported Hardware: JEDEC NVDIMM-N HPE Scalable Persistent Memory © 2019 Storage Networking Industry Association. All Rights Reserved. DAX Support Supported since Windows Server 2016 Advantages: Improved IO performance by eliminating OS overhead Disadvantages: Functionality loss due to elimination of OS hook points, examples: Software Encryption Software Compression Only NTFS supports DAX © 2019 Storage Networking Industry Association. All Rights Reserved. How DAX Works Block Mode DirectAccess Memory Mapped The Idea Application Application