Hello! 3) verison: fio-3.12 (exe, download from bluestop) 2) Environment: Windows 10 professional x64 ver 1803 4) steps to reproduce: 4.1) download and unzip folder (path C: \ fio-3.12-x64) 4.2) creat test "readi.fio" with text: [global] ioengine = windowsaio rw = readwrite size = 1g directory = I \: \ thread = 1 [trivial-readwrite-1g] 4.3) launch test from powershell or cmd FIO created file, but after: trivial-readwrite-1g: Laying out IO file (1 file / 1024MiB) windowsaio: failed to open file "I: \ trivial-readwrite-1g.0.0" trivial-readwrite-1g: No I / O performed by windowsaio, perhaps try - debug = io option for details? 1) What i think about: it’s in windowsaio with the READWRITE command. Write operation or read operation are sucess. But reading after writing catch trouble with windows path slash Path with folders is failed too : directory = I\:\s\ -> windowsaio: failed to open file "I:\s/trivial-readwrite-1g.0.0" --
