[rhos-list] Lockup after trying to detach a volume in Havana

[Diogo Vieira]

Hi

1) It is, I was able to reproduce it (but only when the volume is in-use; when I tried to detach with the instance suspended it worked normally). The necessary steps to reproduce it are:

	- Create a test volume and a test instance;
	- Run the instance;
	- Try to detach the volume.

If you need to know something more, please tell me.

2) I have two machines: one running all the openstack services and another one running a compute node. The instance was in the first one and it was that machine that became unresponsive. My other compute node doesn't seem to have any problem.

3) Fibre channel.

4) I do have console access but it becomes unresponsive too.

Diogo Vieira

On Nov 11, 2013, at 4:16 PM, Haim Ateya <hateya at redhat.com> wrote:

> Hi diogo, 
> 
> few questions:
> 
> 1) I would like to know if issue reproducible (if so, can I examine the machine\run the flow?).
> 2) what topology are you running, is it all-in-one or components are located remotely (independently from controller).
> 3) what storage type are you using? NFS\iSCSI (lvmDriver)?
> 4) do you have console access to the machine? can you run top and see if some process consume memory\cpu (had it once - some qpid leak). 
> 
> Haim
> 
> ----- Original Message -----
>> From: "Diogo Vieira" <dfv at eurotux.com>
>> To: rhos-list at redhat.com
>> Sent: Monday, November 11, 2013 12:59:33 PM
>> Subject: [rhos-list] Lockup after trying to detach a volume in Havana
>> 
>> Hello once again,
>> 
>> I'm sorry for troubling you again but this has happened to me twice now.
>> After trying to detach a volume from an instance the system completely locks
>> up, which forced a reboot. Can't even ssh into it and there's nothing
>> relevant in the cinder logs. Not sure if relevant or not but I remember the
>> instance was active while I tried to detach the volume.
>> 
>> After the reboot, the first time I logged in to horizon it showed a success
>> message for the detachment but the volume status is stuck on detaching.
>> 
>> Can someone help me understand why this happens and how can I remove that
>> volume?
>> 
>> Thank you very much,
>> Diogo Vieira
>> 
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