On Fri, Apr 06, 2018 at 01:09:08PM -0400, Douglas Gilbert wrote:
> So you found a document that outlines NVMe's architecture! Could you
> share the url (no marketing BS, please)?

You can always take a look at the actual spec:


But in summary: while in SCSI your Nexus for any command is with the
logic unit, in NVMe it is with the controller.   Many admin commands
operate on the whole controller.

> And a serious question ... How would you map NVMe's (in Linux)
> subsystem number, controller device minor number, CNTLID field
> (Identify ctl response) and namespace id onto the SCSI subsystem's
> h:c:t:l ?

I wouldn't because the scheme already doesn't make any sense for SCSI,
nevermind should we try to map NVMe into a scsi specific worldview.

> Doug Gilbert
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