[Users] Live migration of Windows guests with VirtIO disk interface

Itamar Heim iheim at redhat.com
Tue Feb 25 18:20:02 UTC 2014


On 02/25/2014 05:00 PM, Jure Kranjc wrote:
> Hello,
>
> this topic is quite old but I got the same problem recently and couldn't
> find reliable information.. Here is the question:
>
> Is live migration of Windows guests, which use VirtIO disk interface
> possible in latest stable release (3.3.3) and latest libvirt on EL6?
>
> We are currently using 3.3.1 on EL6 and plan to upgrade to 3.3.3 this
> week. We can't live migrate Windows guests, which use VirtIO disk
> interface and scsi driver 0.1.59. Further on, Windows server 2012
> doesn't update from virtio 0.1-74 iso as the drivers look the same to
> it. Windows with IDE interface migrate OK but the performance is much
> worse, so that isn't an option.
> I can later provide log files and package versions, but before I do
> that, I just want to ask users if I am missing something. Thanks.

this should work.

>
> Jure Kranjc
>
> On 07/16/2013 02:10 PM, Itamar Heim wrote:
>>
>> Hi,
>>
>> I have an ovirt 3.1 build. I have 3 hosts and a few virtual machines
>> setup that I am using for testing. I am using gluster storage setup
>> as a distribution between the 3 hosts. I can migrate linux guests
>> across my 3 hosts, but I cannot migrate windows hosts. I get
>> “Migration failed due to
>> Error: Fatal error during migration. The event id is 65. Is there
>> something additional that needs to be done to windows guests for
>> them to support live migration?
>
>
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