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Re: Standard NBD URL syntax (again)



On Wed, May 22, 2019 at 01:04:06PM +0200, Wouter Verhelst wrote:
> On Wed, May 22, 2019 at 10:55:45AM +0100, Richard W.M. Jones wrote:
> > So last night I had an important thought about this:
> > 
> >  * What existing export names are people using in real life?
> 
> Good point.
> 
> > nbdkit doesn't use export names for anything - you can pass
> > anything you like.
> > 
> > qemu-nbd has an odd system where the export name must match what was
> > specified on the command line, but AFAIK it doesn't care about it
> > otherwise.
> > 
> > qemu's internal NBD server may permit multiple export names, but I'm
> > not totally sure about that.  What do they look like?  Arbitrary
> > strings?  Absolute paths?  Relative paths?
> > 
> > nbd-server supports multiple export names, and it does appear to want
> > absolute paths.
> 
> You're confusing two things here.
> 
> In nbd-server, the section name is used as the export name; and the
> configuration line that starts with 'export=' is used as the path of the
> file or device that is exported, but not as the export name.
> 
> i.e., in a configuration like this:
> 
> [mydevice]
> export=/home/wouter/device
> 
> the exportname is "mydevice", not "/home/wouter/device".

Ah ha, I did indeed confuse that, thanks for clarifying it.

Rich.

-- 
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