Simple fio file for using Drive letters on Windows.
This will create a file called “fiofile” on the F:\ Drive in Windows. Notice that the specification is “Driveletter” “Backslash” “Colon” “Filename”
In fio terms we are “escaping” the “:” which fio traditionally uses as a file separator.
[global] bs=1024k size=1G time_based runtime=30 rw=read direct=1 iodepth=8 [job1] filename=F\:fiofile
To run IO to multiple drives (Add the group_reporting) flag to make the output more sane.
[global] bs=1024k size=1G time_based runtime=30 rw=read direct=1 iodepth=8 group_reporting [job1] filename=F\:fiofile [job2] filename=G\:fiofile
Download fio for windows here