PMem

Programming Persistent Memory: A Comprehensive Guide for Developers

Programming Persistent Memory: A Comprehensive Guide for Developers

Description This is a comprehensive guide to persistent memory programming, is targeted towards experienced programmers.

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Using Linux Kernel Memory Tiering

Using Linux Kernel Memory Tiering

In this post, I’ll discuss what memory tiering is, why we need it, and how to use the memory tiering feature available in the mainline v5.

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

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

In this post, we’ll use VMWare ESXi 7.0u3 to create a Guest VM running Ubuntu 21.

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How To Emulate CXL Devices using KVM and QEMU

How To Emulate CXL Devices using KVM and QEMU

What is CXL? Compute Express Link (CXL) is an open standard for high-speed central processing unit-to-device and CPU-to-memory connections, designed for high-performance data center computers.

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How To Enable Debug Logging in ipmctl

How To Enable Debug Logging in ipmctl

The ipmctl utility is used for configuring and managing Intel Optane Persistent Memory modules (DCPMM/PMem).

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How To Install and Boot Microsoft Hyper-V 2019 from Persistent Memory (or not)

How To Install and Boot Microsoft Hyper-V 2019 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.

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

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

In a previous post I described how to install and boot Fedora Linux using only Persistent Memory, no SSDs are required.

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

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.

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How To Install and Boot Microsoft Hyper-V 2019 from Persistent Memory (or not)

How To Install and Boot Microsoft Hyper-V 2019 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.

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

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.

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

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

In a previous post I described how to install and boot Fedora Linux using only Persistent Memory, no SSDs are required.

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

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.

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

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.

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

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.

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"ipmctl show -memoryresources" returns "Error: GetMemoryResourcesInfo Failed"

"ipmctl show -memoryresources" returns "Error: GetMemoryResourcesInfo Failed"

Issue: Running ipmctl show -memoryresources returns an error similar to the following:

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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:

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How To Verify Linux Kernel Support for Persistent Memory

How To Verify Linux Kernel Support for Persistent Memory

Linux Kernel support for persistent memory was first delivered in version 4.

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pmem.io website

pmem.io website

Today, I’m diving into the process of designing and building PMem.

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Programming Persistent Memory: A Comprehensive Guide for Developers Book

Programming Persistent Memory: A Comprehensive Guide for Developers Book

After many months of hard work by everyone involved, I’m very pleased to announce that the book “Programming Persistent Memory: A Comprehensive Guide for Developers” is now available for download in digital PDF & ePUB formats from https://pmem.

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How To Extend Volatile System Memory (RAM) using Persistent Memory on Linux

How To Extend Volatile System Memory (RAM) using Persistent Memory on Linux

Intel(R) Optane(TM) Persistent Memory delivers a unique combination of affordable large capacity and support for data persistence.

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Using Linux Volume Manager (LVM) with Persistent Memory

Using Linux Volume Manager (LVM) with Persistent Memory

In this article, we show how to use the Linux Volume Manager (LVM) to create concatenated, striped, and mirrored logical volumes using persistent memory modules as the backing storage device.

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