[one-users] move VM to different host

[Karsten Nielsen]

Thanks for that update.

We will try that.

- Karsten

On 19/11/14 10:25, Ruben S. Montero wrote:
> If you are using 4.10, we do support migrations when a VM is in 
> unknown (i.e. hypervisor is down) provided there is a shared storage. 
> Next release (4.12) will include the ability to migrate in poweroff.
>
> Meanwhile a work around, (there are two actually fake a hypervisor 
> failure to get the VM in unknown and use the previous feature or fake 
> a migration failure).
>
> I've not tested this myself so watch out:
>
> 1.- Update the kvm migrate script by adding at the very beginning 
> something like:
>
> sleep 600
> return
>
> We want to get the VM in MIGRATE state for a while
>
> 2.- Manually move the VM: Go to the hypervisor, and shut it down (i.e. 
> virsh...); move the config files (those in ssh system datastore); got 
> to the other hypervisor and manually create the VM.
>
> 3.- use onevm recover <vmid> success, the VM should become running in 
> the new host. (The sleep'ed migrate operation should be ignored as the 
> VM would be RUNNING)
>
> 4.- Undo the changes in the migrate script.
>
> Good Luck
>
> On Wed Nov 19 2014 at 9:54:52 AM Karsten Nielsen <karsten at unity3d.com 
> <mailto:karsten at unity3d.com>> wrote:
>
>     HI,
>
>     Is there a way to move a VM from one host to an other when
>     migrate/live
>     migrate fails.
>
>     We are using ceph as backend and have ssh systemstore.
>
>     A process like
>     1 poweroff VM
>     2 Move the configs
>     3 -- I guess that we should do some manual db changes --
>     4 poweron machine on new host
>
>     Any comments would be great.
>
>     Thanks,
>     - Karsten
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