Configured nqn

J Freyensee james_p_freyensee at linux.intel.com
Wed Aug 17 15:04:06 PDT 2016


On Tue, 2016-08-16 at 14:08 +0000, Gili Buzaglo wrote:
> Hi
> Sorry for responding late.
> My original thought was that the nvme-fabrics driver will initiate
> the nqn from the file,
> But your suggestion is also suitable and less complex.
> Who is responsible for creating the file  /etc/nvme/hostnqn ?
> Maybe nvme-cli first installation ?

Yes, I would say that if nvme-cli is told to use /etc/nvme/hostnqn and
the filename is not there for nvme-cli to create the file containing a
generated hostnqn per NQN naming standard in the NVMe spec.

Jay

> 
> Thanks
> -gili
> 
> -----Original Message-----
> From: J Freyensee [mailto:james_p_freyensee at linux.intel.com> Sent: Monday, August 08, 2016 8:55 PM
> To: Sagi Grimberg; Gili Buzaglo; linux-nvme at lists.infradead.org
> Subject: Re: Configured nqn
> 
> On Mon, 2016-08-08 at 11:47 +0300, Sagi Grimberg wrote:
> > 
> > > 
> > > 
> > > Hi
> > 
> > Hey Gili,
> > 
> > > 
> > > 
> > > I was wondering if there's a special reason why not to support 
> > > preconfigured initiator nqn from a file.
> > > (similar to iscsi in /etc/iscsi/initiatorname.iscsi).
> > 
> > It was raised on the list just last week. I think Jay has (of was
> > :)) 
> > volunteered.
> 
> I was going to do it, but I was waiting for a reply on confirming
> what behavior people wanted to see:
> 
> 
> "So is the request to have nvme-cli use whatever is in
> /etc/nvme/hostnqn (if it exists) over the default in the nvme-fabrics 
> driver?  So preference of hostnqn input would be:
> 
> 1. --hostnqn flag
> 2. /etc/nvme/hostnqn
> 3. default hostnqn generated by nvme-fabrics driver (ex: nqn.2014
> -08.org.nvmexpress:NVMf:uuid:a2d7752c-a31b-477a-a003-31a5e1c424a9)
> 
> (note 2. may contain a hostnqn different from the default)"
> 
> 
> Gili if you are itchin' to do it, go ahead and give it a shot, just
> let me know (or I can still do it w/confirmation to above).  The
> discovery fix I added to nvme-cli:
> 
> http://lists.infradead.org/pipermail/linux-nvme/2016-July/005562.html
> 
> has been merged into the nvme-cli tool by Keith.
> 
> 
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