diskio is a tool to perform high load disk I/O for test purpose.
go install github.com/devlights/diskio
diskio.exe
or
diskio.exe -g number_of_concurrent_proc(default 100) -b block_size(default 1024)
diskio
or
diskio -g number_of_concurrent_proc(default 100) -b block_size(default 1024)