[ovirt-users] Live migration without Shared Storage
Michal Skrivanek
michal.skrivanek at redhat.com
Thu Dec 28 19:46:31 UTC 2017
> On 28 Dec 2017, at 20:37, FERNANDO FREDIANI <fernando.frediani at upx.com> wrote:
>
> Are you talking about all kinds of Storage (iSCSI, FC, NFS and Localstorage/POSIX) ?
>
yes
> Because I believe you may be able to specify the destination path on the destination Host and when working with Localstorage/POSIX that may be simpler.
>
yes, it is indeed more simple, but still it’s not going to work out of the box right now. It’s a non-trivial feature to do that properly
> Fernando
>
> On 28/12/2017 17:32, Michal Skrivanek wrote:
>>
>>
>>> On 28 Dec 2017, at 19:56, FERNANDO FREDIANI <fernando.frediani at upx.com <mailto:fernando.frediani at upx.com>> wrote:
>>>
>>> Has anyone tried the command below under the hood between two oVirt Node (in the same Datacenter or between two different (local) ones) ? Does it work ?
>>
>> no, it does not with ovirt. ovirt manages storage differently than plain libvirt
>>
>>> virsh migrate --live --persistent --undefinesource --copy-storage-all \
>>> --verbose --desturi <DESTINATION> <VM>
>>> This is such a fantastic features for certain scenarios that may help a lot maintenance or even migration between hosts with Local Storage to minimize Downtime and mainly all the hassle of having to Poweroff a VM, Export to an Export Datastore, umount it, mount on the other Host/Datacenter, Import and Power On.
>>>
>>> Thanks
>>> Regards
>>>
>>> Fernando
>>>
>>> [1] Ref: https://hgj.hu/live-migrating-a-virtual-machine-with-libvirt-without-a-shared-storage/ <https://hgj.hu/live-migrating-a-virtual-machine-with-libvirt-without-a-shared-storage/>
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>>> Users mailing list
>>> Users at ovirt.org <mailto:Users at ovirt.org>
>>> http://lists.ovirt.org/mailman/listinfo/users <http://lists.ovirt.org/mailman/listinfo/users>
>>
>
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