nguid for nvme over fabrics

Narasimhan V sim at linux.vnet.ibm.com
Fri Mar 30 09:46:51 PDT 2018


On 2018-03-28 13:57, Christoph Hellwig wrote:
> 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.

Thnaks Chris,
I get it now.

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

For my confirmation, if we are setting duplicate nguids, it is user's
responsibility, and system does not give any warning / error ?

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-- 
Regards
Narasimhan V




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