On Mon, Aug 28, 2017 at 08:41:23PM +0800, Guan Junxiong wrote: > If a namespace can be accessed by another subsystem, the above line > will ignore such namespace. And that's intentional. > Or does the NVMe/NVMf specification constrain that any namespace > can only be accessed by a subsystem? Yes, inside the NVMe spec a Namespace is contained inside a Subsystem. That doesn't preclude other ways to access the LBAs, but they are outside the specification (e.g. also exporting them as SCSI).
