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We have run ceph backed cinder from Liberty through Newton, with the exception of a libvirt 2.x bug that should now be fixed, cinder really hasn't caused us any problems.

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> On May 31, 2017, at 6:12 PM, Joshua Harlow <harlowja at fastmail.com> wrote:
> 
> Hi folks,
> 
> So I was having some back and forth internally about is cinder ready for usage and wanted to get other operators thoughts on how there cinder experiences have been going, any trials and tribulations.
> 
> For context, we are running on liberty (yes I know, working on getting that to newer versions) and folks in godaddy are starting to use more and more cinder (backed by ceph) and that got me thinking about asking the question from operators (and devs) on what kind of readiness 'rating' (or whatever you would want to call it) would people give cinder in liberty.
> 
> Some things that I was thinking was around concurrency rates, because I know that's be a common issue that the cinder developers have been working through (using tooz, and various other lock mechanisms and such).
> 
> Have other cinder operators seen concurrent operations (or conflicting operations or ...) work better in newer releases (is there any metric/s anyone has gathered about how things have gotten worse/better under scale for cinder in various releases? partically with regard to using ceph).
> 
> Thoughts?
> 
> It'd be interesting to capture (not just for my own usage) I think because such info helps the overall user and operator and dev community (and yes I would expect various etherpads to have parts of this information, but it'd be nice to have like a single place where other operators can specify how ready they believe a project is for a given release and for a given configuration; and ideally provide details/comments as to why they believe this).
> 
> -Josh
> 
> 
> 
> 
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