optane – Steve Scargall

How To Install and Boot Microsoft Windows Server 2022 from Persistent Memory (or not)

How To

How To Install and Boot Microsoft Windows Server 2022 from Persistent Memory (or not)

In a previous post I described how to install and boot Fedora Linux using only Persistent Memory, no SSDs are required. For this follow on post, I attempted to install Microsoft Windows Server 2022 onto the persistent memory. TL;DR – I was...

June 17, 2021

How To

How To Install and Boot Microsoft Windows Server 2019 from Persistent Memory

June 14, 2021

How To

How To Install and Boot VMWare VSphere/ESXi from Persistent Memory (or not)

In a previous post I described how to install and boot Linux using only Persistent Memory, no SSDs are required. For this follow on post, I attempted to install VMWare VSphere/ESXi v7.0u2 onto the persistent memory. TL;DR – It doesn’t...

June 7, 2021

How to Boot Linux from Intel® Optane™ Persistent Memory

How To Linux

How to Boot Linux from Intel® Optane™ Persistent Memory

Introduction In this article, I will demonstrate how to configure a system with Intel Optane Persistent Memory (PMem) and use part of the PMem as a boot device. This little known feature can reduce boot times for those that need...

June 7, 2021

Linux Device Mapper WriteCache (dm-writecache) performance improvements in Linux Kernel 5.8

How To Linux

Linux Device Mapper WriteCache (dm-writecache) performance improvements in Linux Kernel 5.8

The Linux ‘dm-writecache’ target allows for writeback caching of newly written data to an SSD or NVMe using persistent memory will achieve much better performance in Linux Kernel 5.8. Red Hat developer Mikulas Patocka has been working to enhance the...

May 30, 2020

How To Troubleshooting

How To Enable Debug Logging in ipmctl

The ipmctl utility is used for configuring and managing Intel Optane Persistent Memory modules (DCPMM/PMem). It supports the functionality to: Discover Persistent Memory on the serverProvision the persistent memory configurationView and update the firmware on the persistent memory modulesConfigure data-at-rest...

May 29, 2020

Troubleshooting

Intel Optane Persistent Memory Modules report “Non-functional” state in ipmctl

Issue Executing ipmctl show-dimm to get device information shows the persistent memory modules in a ‘Non-functional’ health state, eg: Other ipmctl commands may fail and return “No functional DIMMs in the system.”, eg: Applies To This issue applies to systems...

May 29, 2020

“ipmctl show -memoryresources” returns “Error: GetMemoryResourcesInfo Failed”

Troubleshooting

“ipmctl show -memoryresources” returns “Error: GetMemoryResourcesInfo Failed”

Issue: Running ipmctl show -memoryresources returns an error similar to the following: Applies To: Linux & Microsoft WindowsIntel Optane Persistent Memoryipmctl utility Cause: The Platform Configuration Data (PCD) is invalid or has been erased using a previously executed ipmctl delete...

May 29, 2020

Tag: optane

How To Install and Boot Microsoft Windows Server 2022 from Persistent Memory (or not)

How To Install and Boot Microsoft Windows Server 2019 from Persistent Memory

How To Install and Boot VMWare VSphere/ESXi from Persistent Memory (or not)

How to Boot Linux from Intel® Optane™ Persistent Memory

Linux Device Mapper WriteCache (dm-writecache) performance improvements in Linux Kernel 5.8

How To Enable Debug Logging in ipmctl

Intel Optane Persistent Memory Modules report “Non-functional” state in ipmctl

“ipmctl show -memoryresources” returns “Error: GetMemoryResourcesInfo Failed”

Linux NUMA Distances Explained

Using Linux Kernel Memory Tiering

How To map VMWare vSphere/ESXi PMem devices from the Host to Guest VM