Haluk YAMANER

Linux Benchmark Disk Performance Terminal Commands

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If you are wondering your real disk speed on computer, you don't need additional tools to make benchmark to storage devices. You can apply commands below to get fastest results.

Disk Write Speed:

sync; dd if=/dev/zero of=tempfile bs=1M count=1024; sync

Disk Read Speed:

dd if=tempfile of=/dev/null bs=1M count=1024

Disk Real Read Speed (Clear Cache + Read):

sudo /sbin/sysctl -w vm.drop_caches=3
dd if=tempfile of=/dev/null bs=1M count=1024

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