[Users] VM migrations failing

Martin Kletzander mkletzan at redhat.com
Thu Jan 31 10:08:58 UTC 2013


On 01/31/2013 10:25 AM, Dan Kenigsberg wrote:
> On Thu, Jan 31, 2013 at 09:43:44AM +0100, Martin Kletzander wrote:
>> On 01/30/2013 08:40 PM, Dead Horse wrote:
>>> The nodes are EL6.3 based.
>>>
>>> Currently installed libvirt packages:
>>>
>>> libvirt-lock-sanlock-0.9.10-21.el6_3.8.x86_64
>>> libvirt-cim-0.6.1-3.el6.x86_64
>>> libvirt-0.9.10-21.el6_3.8.x86_64
>>> libvirt-python-0.9.10-21.el6_3.8.x86_64
>>> libvirt-client-0.9.10-21.el6_3.8.x86_64
>>>
>>> and qemu packages:
>>> qemu-kvm-0.12.1.2-2.295.el6_3.10.x86_64
>>> qemu-kvm-tools-0.12.1.2-2.295.el6_3.10.x86_64
>>> qemu-img-0.12.1.2-2.295.el6_3.10.x86_64
>>>
>>> Thus my presumption here given the above is that virDomainMigrateToURI2 has
>>> not yet been patched and/or back-ported into the EL6.x libvirt/qemu?
>>>
>>
>> virDomainMigrateToURI2 is supported since 0.9.2, but is there a
>> possibility the code is requesting direct migration?  That might explain
>> the message, which is then incorrect; this was fixed in [1].
>>
>> Martin
>>
>> [1]
>> http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=3189dfb1636da22d426d2fc07cc9f60304b16c5c
> 
> What is "direct migration" exactly, in the context of qemu-kvm?
> 
> We are using p2p migration
> http://gerrit.ovirt.org/gitweb?p=vdsm.git;a=blob;f=vdsm/libvirtvm.py;h=fe140ecbfac665248e2ad5c4bfaebaf54ab884cc;hb=18c24f7c7c27ac732c4a760caa9524e7319cd47e#l501
> 

OK, so that's not the issue, sorry for the confusion.  I was thinking it
would "somehow" get there.  Direct migration doesn't exist in QEMU at
all, so it seemed weird, but I can't seem to find any other reason for
this failure; will keep searching, though.

Martin



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