On Thu, Jan 2, 2020 at 11:34 PM Bart Van Assche <bvanassche@xxxxxxx> wrote: > > On 12/30/19 2:29 AM, Jack Wang wrote: > > + * @device_id: device_id on server side to identify the device > > Is this a number that only has a meaning inside the RTRS software? Is > the role of this number perhaps similar to an NVMe namespace or SCSI > LUN? If so, please mention this. Additionally, does this number start > from zero or from one? device_id is only used in RNBD, RTRS doesn't care. we documented a bit in rnbd/README, we can extend the doc. it is similar to SCSI LUN or NVMe namespace, it's an id to associate the device with IO. Thanks Bart.