Scalability issue with multiple NVMe Devices with one core

Keith Busch keith.busch at
Thu Oct 13 08:07:23 PDT 2016

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

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