Scalability issue with multiple NVMe Devices with one core

[Keith Busch]

On Thu, Oct 13, 2016 at 02:48:34PM +0000, Roy Shterman wrote:
>> And if you append "--name task_nvme1n1 --filename=/dev/nvme1n1" to this
>> command, you are not observing a
>> meaningful IOPS improvement?
> 
> I appended only --filename=/dev/nvme0n1 without the new name, I'm not sure if it makes any difference but I can check.

If you don't add --name, fio isn't going to start another job, so you're
not accessing the devices in parallel and shouldn't expect an IOPS
improvement.