Why Your Disk Shows 30% Free Space Yet Won’t Write Files – Boost Inodes with ext4 -T small

The article explains why a Linux server can run out of inodes despite having plenty of free disk space, demonstrates how creating an ext4 filesystem with the -T small option dramatically increases inode count, and discusses the performance trade‑offs and quick fixes for inode exhaustion.

FilesystemStorage Optimizationext4

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Why Your Disk Shows 30% Free Space Yet Won’t Write Files – Boost Inodes with ext4 -T small

Coolpad Technology Team

Mar 23, 2022 · Backend Development

Implementation of EROFS Tail‑Packing Inline Compression in Linux Kernel 5.17

This article explains the design and implementation of the EROFS tail‑packing inline compression feature merged in Linux kernel 5.17, covering modifications to the on‑disk format, mkfs and kernel code paths, new inode structures, map‑block handling, and performance considerations with detailed code excerpts.

EROFSFilesysteminline compression

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Implementation of EROFS Tail‑Packing Inline Compression in Linux Kernel 5.17

Refining Core Development Skills

Apr 30, 2020 · Fundamentals

Understanding Linux Disk Formatting: mkfs, Inodes, Block Groups, and Filesystem Layout

This article explains how Linux formats disks using mkfs, detailing block size, inode and block counts, block groups, directory structures, and how to choose appropriate parameters for different workloads to achieve optimal storage efficiency and performance.

FilesystemLinuxblock groups

0 likes · 10 min read

Understanding Linux Disk Formatting: mkfs, Inodes, Block Groups, and Filesystem Layout