@e4rache https://ols.fedoraproject.org/OLS/Reprints-2007/sato-Reprint.pdf , first paragraphs go into the measures employed to reduce fragmentation (might have to download it with the --no-check-certificate flag with wget, it's misconfigured). And it does need defragmentation, in extreme cases, else they wouldn't have made the defrag tool :D
@Matter Thank you! :-)
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