[openstack-dev] [nova][cinder] volumes stuck detaching attaching and force detach

John Garbutt john at johngarbutt.com
Mon Feb 22 19:24:00 UTC 2016


Just came up on IRC, when nova-compute gets killed half way through a
volume attach (i.e. no graceful shutdown), things get stuck in a bad
state, like volumes stuck in the attaching state.

This looks like a new addition to this conversation:
And brings us back to this discussion:

What if we move our attention towards automatically recovering from
the above issue? I am wondering if we can look at making our usually
recovery code deal with the above situation:

Did we get the Cinder APIs in place that enable the force-detach? I
think we did and it was this one?

I think diablo_rojo might be able to help dig for any bugs we have
related to this. I just wanted to get this idea out there before I
head out.


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