Hi Benny,

You are the man! Thanks, it did the work this time.

Thanks to all,

Lavi

From: Benny Zlotnik <bzlotnik@redhat.com>
Sent: Monday, March 08, 2021 4:10 PM
To: Lavi Buchnik <Lavi.Buchnik@exlibrisgroup.com>
Cc: Shani Leviim <sleviim@redhat.com>; devel <devel@ovirt.org>
Subject: Re: [ovirt-devel] Re: Starting a defined VM on a different host

CAUTION: EXTERNAL Email.

Not too familiar with this, but maybe this example will help[1]

[1] https://github.com/oVirt/ovirt-engine-sdk/blob/master/sdk/examples/pin_vm.py

On Mon, Mar 8, 2021 at 3:41 PM Lavi Buchnik via Devel <devel@ovirt.org> wrote:

Hi Shani,

Thanks for your reply. I’m aware for how to set it in the UI.

Note that because the VM is defined with Affinity label, I must first remove the affinity label from the VM and only than to choose a different host as you specified below (via the UI).

But my question is for how to set a different host using Python SDK API.

I tried/plan this via Python SDK API:

- Stop the VM.

- Remove its Affinity label.

- Update its host to the target host.

- Start the VM.

But the result is that the VM is always keep starting on its current host.

For updating the VM host, I used few ways as:

vm_service.update( types.Vm( host=types.Host( id=host_id ), ) )

Or:

vm_service.update( types.Vm( host=types.Host( name=host_name ), ) )

Then started the VM using:

vm_service.start()

or using:

vm_service.start( vm=types.Vm( host=types.Host( name=host_name ), ) )

vm_service.start( vm=types.Vm( host=types.Host( id=host_id ), ) )

I get no errors, but VM keeps starting on the current host and not on the new target host.

BTW - in case it would start on the target host, the plan is to add affinity label back just after.

Thanks,

Lavi Buchnik

From: Shani Leviim <sleviim@redhat.com>
Sent: Monday, March 08, 2021 2:36 PM
To: Lavi Buchnik <Lavi.Buchnik@exlibrisgroup.com>
Cc: devel <devel@ovirt.org>
Subject: Re: [ovirt-devel] Re: Starting a defined VM on a different host

CAUTION: EXTERNAL Email.

Hi,

You can set this one from the UI:

VM > Edit > Show advanced options (bottom left button) > host > Start running on > specific host

Regards,

Shani Leviim

On Mon, Mar 8, 2021 at 10:33 AM Lavi.Buchnik--- via Devel <devel@ovirt.org> wrote:

Hi,

Can anyone help here?

Thanks,
Lavi
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