[ovirt-users] Problem migration VM

[Alex Crow]

On 23/09/15 13:54, Luca Bertoncello wrote:
> Hi Alex
>
>> Did the host you are running the script on shut down before the
>> migration completed?
> Apparently yes...

Thought so. The migration then cannot continue, obviously.

>
>> If you put the host in maintenance from the GUI, does it successfully
>> migrate off all VMs?
> Yes, this happens!
>
> Now, I think, the problem is that the system first unmount /run and then call my script, so that libvirt has no more possibility to successfully migrate the VMs...
>
> Can someone suggest me a way to call my script as FIRST script on shutdown/reboot and to block the shutdown/reboot until my script complete?
> This will solve the problem...

Add your systemd script as a "requires" entry in the systemd script 
responsible for shutting down the system?

>
> Of course, I can try with a wrapper for /sbin/shutdown and /sbin/reboot, but this is not a nice solution...

Why don't you manage this from another machine, not from the hosts? Just 
have a script call the API to initiate maintenance, wait for the 
migration to complete, then call the API to shut down the host?

Or is it really too hard to do this from the GUI? I don't understand why 
you have such a hard requirement to be able to do this from the hosts - 
the whole point of Ovirt is that you don't have to manage your hosts on 
an individual basis!

Alex

>
> Thanks
>
> Mit freundlichen Grüßen
>
> Luca Bertoncello
>
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