Open Source Linux

Mar 5, 2021 · Fundamentals

Understanding Linux Virtual File Systems and NVDIMM Persistent Memory

This article explains the Linux virtual file system architecture, the differences between storage media such as HDD, SSD, NAND and NOR flash, introduces NVDIMM‑N/F/P types, their hardware and software handling, and shows how to configure and use persistent memory (PMEM) with DAX, BTT and kernel memmap on Linux.