----- Original Message -----
From: "Michal Skrivanek" <michal.skrivanek@redhat.com> To: users@ovirt.org, "Thomas Scofield" <tscofield@gmail.com>, "Vinzenz Feenstra" <vfeenstr@redhat.com>, "Barak Azulay" <bazulay@redhat.com>, "Gal Hammer" <ghammer@redhat.com> Sent: Monday, April 22, 2013 11:48:18 AM Subject: Re: [Users] forced shutdown with client agent
On Apr 20, 2013, at 22:42 , Itamar Heim <iheim@redhat.com> wrote:
On 03/29/2013 04:58 AM, Thomas Scofield wrote:
I have run into a scenario after installing the client agent. If a VM is shutdown, the client agent calls the shutdown command with a 1 minute timeout.
Dummy-2::INFO::2013-03-28 14:05:21,892::vdsAgentLogic::138::root::Shutting down (timeout = 30, message = 'System Administrator has initiated shutdown of this Virtual Machine. Virtual Machine is shutting down.'
Since the shutdown command is called with time parameter the VM sets the /etc/nologin file. When the VM is forced down the /etc/nologin file is not cleared and when it comes back up only root can login until the /etc/nologin file is cleared.
hmmm, Vinzenz - should guest agent clear that on guest startup, if guest agent set this at shutdown?
Is their some some reason the shutdown time is set to 30 seconds (rounded up to 1 minute in the code)? Are there any know issues with setting this to 0?
I wouldn't mind changing this to 0 by default if there are no objections. Barak, Gal, what do you think? Do you see any strong reason for keeping a grace period?
The idea was to allow a logged in user to orderly close his work right? For that I'm not sure that even 30 seconds is enough. So this shutdown grace period really depend if there are users connected to the VM or not. The question is how to easily distinguish - maybe depend on a spice session connection? That may be too heuristic. But in any case the timeout should be per configuration and not be up-to-doubled in the code.
Vinzenz - if we are rounding up - is this a bug?
Is this the right way to change it to 0? psql engine postgres -c "update vdc_options set option_value = '0' where option_name = 'VmGracefulShutdownTimeout';"
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