Open Stack

Delete issues in my experience are typically linked to messaging getting stuck (or dead hosts). I would have a look at the
RMQ queue lengths and see if any are building up.

Have you adjusted your open file descriptor limits ? The default Linux limit (1024) is NOT enough in our experience for any reasonable
sized system. We've seen that cause messaging outages.

                Gavin

From: Jens-Christian Fischer [mailto:jens-christian.fischer at switch.ch]
Sent: Friday, July 11, 2014 12:32 PM
To: Thomas Bernard
Cc: openstack at lists.openstack.org
Subject: Re: [Openstack] Unable to delete instances

Did you ever come to the bottom of this?

We are seeing the same thing with a brand new Icehouse / Ceph installation (using the stock distributions)

Restarting nova-compute on the compute nodes usually makes the instances go away (or resetting the state, and then restarting nova-compute)

We see this problem intermittent but frequent enough to be really annoying.

The log files have so far not shown anything conclusive: I got an "Unknown auth strategy" error, but according to https://bugs.launchpad.net/python-neutronclient/+bug/1297309 this is a red herring.

Anyone else running into this problem or having solved it?

cheers
Jens-Christian
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Jens-Christian Fischer, Peta Solutions
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phone +41 44 268 15 15, direct +41 44 268 15 71
jens-christian.fischer at switch.ch<mailto:jens-christian.fischer at switch.ch>
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On 22.05.2014, at 16:19, Thomas Bernard <tbe at atolcd.com<mailto:tbe at atolcd.com>> wrote:


Hi,

I just finished my upgrade to icehouse, everything works just fine but... i can't delete my instances!

When i delete instance (from cli or from horizon) :

* The VM goes to "deleting"state
* Vm are destroy from KVM
* But nova list & horizon continue to display the "deleting" state

Some time after, the Vm state goes to "ERROR" and in nova-compute.log i can see : "Unauthorized: Unknown auth strategy\n" (from neutronclient)

Any idea?

Thx!





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