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On Mon, 2012-11-26 at 20:22 -0500, Russell Bryant wrote:
> On 11/26/2012 06:46 PM, Eric Harney wrote:
> > Hi everyone,
> > 
> > I've posted a blueprint for supporting the LIO (linux-iscsi.org) target
> > in Cinder.  This leverages targetd to interface with LIO, and will be
> > implemented as an alternative target within the iSCSI driver.
> > 
> > A detailed spec has not been posted yet, but I would like to welcome
> > high-level feedback on this as a feature and start discussion around it.
> > 
> > https://blueprints.launchpad.net/cinder/+spec/lio-support-via-targetd
> 
> Thanks, Eric!
> 
> I have one implementation question.  You mention that this will be
> implemented as an alternative target within the iSCSI driver.  Why not
> make it its own driver?
> 
> IIRC, the iSCSI driver is built around exposing local storage.  A
> targetd driver would be managing remote storage resources, so it seems
> to be a different model.
> 
> Thoughts?
> 

Thinking about this a bit more, it does probably make sense for it to be
its own driver, which would be consistent with many of the other drivers
for remote storage resources.

I'm not too clear on where the line is here (between iSCSI vs. other
driver), but your reasoning sounds right to me.