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Re: [Qemu-devel] Problems with live migration
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] Problems with live migration |
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Date: |
Wed, 13 Mar 2013 14:55:57 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130219 Thunderbird/17.0.3 |
On 03/13/2013 12:01 PM, Toni F. [ackstorm] wrote:
> Hi all,
>
> I have working with Openstack Folsom and with Glusterfs as shared
> storage for /instances. All working fine, but when i'm trying to use
> "nova live-migration":
>
> 2013-03-07 18:33:42 3140 ERROR nova.virt.libvirt.driver [-] [instance:
> 773164b5-5e5c-4328-a762-d91f50f2ac33] Live Migration failure: Timed out
> during operation: cannot acquire state change lock
>
> I know that the real command that openstack executes
>
> virsh migrate --live instance-00000036
> qemu+ssh://nova-compute-lnx001/system
>
> When i execute that command the same error is showed
>
> error: Timed out during operation: cannot acquire state change lock
>
> Any idea about this error?
That error is from libvirt, not qemu, so you are asking on the wrong
list. But when asking on the libvirt list, be sure to mention what
version of libvirtd is running on nova-compute-lnx001. Meanwhile, when
libvirtd gets in a stuck lock state, you can often restart libvirtd to
get past that point, with no negative consequences to your running qemu
guests.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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