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Fragmentation of UFS (Unix File System) and How It Can Be Determined (Doc ID 1007653.1)

Last updated on DECEMBER 18, 2023

Applies to:

Solaris Operating System - Version 9 GA and later
All Platforms


This document explains what the UFS fragmentation is, and how to determine it on a mounted or an unmounted file system. It also provides possible solutions to remedy the problem.


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