[Openstack] using dedicated network for cinder/tgtd traffic

John Griffith john.griffith at solidfire.com
Fri Dec 5 00:30:55 UTC 2014

On Thu, Dec 4, 2014 at 2:54 PM, Dmitry Makovey <dmitry at athabascau.ca> wrote:
> Hi,
> I've been tinkering with OpenStack a while now, however I have never
> paid attention to where and how my traffic goes. This time I'd like to
> direct all the block storage traffic through a specific interface on
> both cinder and compute nodes (10G interface).
> So in the end I would end up with management network, external net,
> instance tunnels net and storage net.
> The only place that I found which seems to be relevant is cinder.conf:
> iscsi_ip_address=<10Gb interface IP>
> do I need to look for more or is above setting sufficient to make sure
> all the block storage traffic goes over 10G interface?
> --
> Dmitry Makovey
> Web Systems Administrator
> Athabasca University
> (780) 675-6245
> ---
> Confidence is what you have before you understand the problem
>     Woody Allen
> When in trouble when in doubt run in circles scream and shout
>      http://www.wordwizard.com/phpbb3/viewtopic.php?f=16&t=19330
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That's all you need.  That tells cinder to use that specific IP to
build your targets off of.  Just make sure your compute nodes and
Cinder Control node can access that network and you should be all set.

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