OS Manuals

/usr/bin/fio-dedupe

Flexible I/O Tester

From fio 3.43-r0 (os), captured 2026-11-05 by running fio-dedupe --help (exit 1). permalink

/usr/bin/fio-dedupe: invalid option -- '-'
Check for dedupable blocks on a device/file

/usr/bin/fio-dedupe: [options] <device or file>
	-b	Chunk size to use
	-t	Number of threads to use
	-d	Full extent/chunk debug output
	-o	Use O_DIRECT
	-c	Full collision check
	-B	Use probabilistic bloom filter
	-p	Print progress indicator
	-C	Calculate compressible size
Options (8)
OptionDescriptionSource
-bChunk size to usehelp
-tNumber of threads to usehelp
-dFull extent/chunk debug outputhelp
-oUse O_DIRECThelp
-cFull collision checkhelp
-BUse probabilistic bloom filterhelp
-pPrint progress indicatorhelp
-CCalculate compressible sizehelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.