nguid for nvme over fabrics

Christoph Hellwig hch at infradead.org
Wed Mar 28 01:27:08 PDT 2018


On Fri, Mar 23, 2018 at 12:59:53PM +0530, Narasimhan V wrote:
> Shouldn't it be unique ?
> I have instances where for NVMef, multiple devices can have same nguids.
> Which component should be responsible to generate nguid in NVMef ?

You must only usea nguid if you have a ieee id, and then it is your
responsibility to hand out ids based on that.

Which means that you generally should not set a nguid unless you
are building an appliance and really know what you are doing.



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