Dell PowerEdge R740 EMC NVDIMM-N Persistent Memory User Guide - Page 36

Table 12. DIMM Slot Location (continued) Location 337 DIMM Slot Location B12 NVDIMM-N health status and properties NVDIMM-N health status can be queried using following PowerShell command. Figure 21. NVDIMM-N health status and properties Windows native driver can handle different health events. For more details on the various health conditions, see the windows documentation ( https://docs.microsoft.com/en-us/windows-server/storage/storage-spaces/storage-class-memory-health ) Block Mode Applications may access NVDIMM-Ns using standard ReadFile/WriteFile Block Interface APIs provided by the Windows SCM Disk Driver. This allows existing applications to immediately take advantage of the NVDIMM-N's high performance and low latency without requiring any modifications. Please note that since the SCM Disk Driver uses Load/Store commands to directly access DRAM on the NVDIMM-N, Disk Filter Drivers may not work. Please refer to the Microsoft video below for more information. • Using Non-volatile Memory (NVDIMM-N) as Block Storage in Windows Server 2016 https://channel9.msdn.com/Events/Build/2016/P466 DAX Mode Windows server 2016 allows NVDIMM-N Disk to be formatted in direct access mode. Following PowerShell command initialize NVDIMMN disk, create volume and format volume in DAX mode. Fsutil.exe can be used to verify if volume in in DAX mode Figure 22. DAX Mode Storage Spaces Support Windows Server 2016 supports NVDIMM-N devices that allow for extremely fast input/output (I/O) operations. One attractive way of using such devices is as a write-back cache to achieve low write latencies. Microsoft blog discusses how to set up a mirrored storage 36 Windows