Created
July 10, 2017 12:44
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Linux Test Disk I/O Performance With dd Command
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| dd if=/dev/input.file of=/path/to/output.file bs=block-size count=number-of-blocks oflag=dsync | |
| ## GNU dd syntax ## | |
| ########################################################## | |
| ##***[Adjust bs and count as per your needs and setup]**## | |
| ########################################################## | |
| dd if=/dev/zero of=/tmp/test1.img bs=1G count=1 oflag=dsync | |
| dd if=/dev/zero of=/tmp/test2.img bs=64M count=1 oflag=dsync | |
| dd if=/dev/zero of=/tmp/test3.img bs=1M count=256 conv=fdatasync | |
| dd if=/dev/zero of=/tmp/test4.img bs=8k count=10k | |
| dd if=/dev/zero of=/tmp/test4.img bs=512 count=1000 oflag=dsync | |
| ## OR alternate syntax for GNU/dd ## | |
| dd if=/dev/zero of=/tmp/testALT.img bs=1G count=1 conv=fdatasync |
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