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Dell PowerEdge MX750c EMC PMem 200 Series Users Guide - Page 34

Windows, PMem in App-direct mode

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9 Windows Dell EMC supports Intel Optane PMem with Microsoft Windows 2019 in Memory mode and App-direct mode. NOTE: Keep Windows updated with the monthly cumulative updates. Topics: • PMem in App-direct mode • PMem disk with interleave sets • PMem in memory Mode • Windows troubleshooting and event monitoring • Windows Errata PMem in App-direct mode In App-direct mode, Windows creates two types of device objects for PMems : ● Physical INVDIMM device ● Logical Persistent Memory disk Logical persistent memory disks get created after creating namespaces on PMem Physical disks. When the system first boots into the Operating System, PMem devices get enumerated as physical INVDIMM devices under Memory Devices in Device Manager. Figure 16. Memory Devices in Device Manager After PMem disks are configured over PowerShell, logical persistent memory disks show under Device Manager. 34 Windows

Section	Page
Dell EMC PMem 200 Series User's Guide	1
Contents	3
Introduction	5
System requirements	5
Terminology	6
Change list	7
Hardware	8
Server hardware configuration	8
DIMM installation and removal	8
PMem hardware configuration	8
PMem recommended topologies	8
Processor type and maximum memory limits	13
PMem mixing and population rules	13
Mixing rules	13
Population rules	13
BIOS	15
BIOS configuration setting for Intel PMem	15
DIMM discovery	15
App-direct mode configuration	16
Create goal	16
Region information	17
Memory mode configuration	19
Create goal	19
PMem event reporting	21
Event message ID encoding	21
Events during boot time	23
iDRAC Intel PMem management	26
iDRAC GUI	26
PMem firmware version	26
PMem hardware status	26
PMem goal configuration using iDRAC GUI	27
PMem remaining rated write endurance	28
PMem security	29
Memory mode	29
App-direct	29
Cryptographic erase and PMem sanitize	30
Crypto erase	31
Sanitize	31
DIMM configuration changes	33
Windows	34
PMem in App-direct mode	34
PMem Disk management	35
List PMem physical disks and check their health status	36
Create PMem Disks	36
Remove PMem disks	37
PMem disk with interleave sets	37
PMem disk creation with interleave sets	37
PMem in memory Mode	38
Windows troubleshooting and event monitoring	38
Windows Errata	39
Linux	40
Identify and configure persistent memory device	40
Listing PMem devices	40
Create namespace	40
Mount file system on namespace device	40
Delete namespaces	41
Management utility	41
Check PMem health status	41
Linux errata	41
VMware ESXi	43
PMem in App Direct mode	43
PMem in Memory Mode	44
PMem health status	44
ESXi troubleshooting and maintenance	45
System diagnostics	46
Firmware update	47