Cinder-volume active active setup

Eugen Block eblock at nde.ag
Wed Aug 31 15:25:21 UTC 2022


I think I found my answers. Currently I only have a single-control  
node in my test lab but I'll redeploy it with three control nodes and  
test it with zookeeper. With a single control node the zookeeper and  
cinder cluster config seem to work.

Zitat von Eugen Block <eblock at nde.ag>:

> Hi,
>
> I didn't mean to hijack the other thread so I'll start a new one.
> There are some pages I found incl. Gorkas article [1], but I don't  
> really understand yet how to configure it.
>
> We don't use any of the automated deployments (we created our own)  
> like TripleO etc., is there any guide showing how to setup  
> cinder-volume active/active? I see in my lab environment that  
> python3-tooz is already installed on the control node, but how do I  
> use it? Besides the "cluster" config option in the cinder.conf (is  
> that defined when setting up the DLM?) what else is required? I also  
> found this thread [2] pointing to the source code, but that doesn't  
> really help me at this point. Any pointers to a how-to or deployment  
> guide would be highly appreciated!
>
> Thanks,
> Eugen
>
> [1] https://gorka.eguileor.com/a-cinder-road-to-activeactive-ha/
> [2] https://www.mail-archive.com/openstack@lists.openstack.org/msg18385.html






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