[Users] forced shutdown with client agent

[Michal Skrivanek]

On 20 Apr 2013, at 22:42, Itamar Heim <iheim at 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?
It's not guest agent, "shutdown" does it. It behaves the same on real hw

> 
>> 
>> 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?
> 
> Vinzenz - if we are rounding up - is this a bug?
possibly yes


> 
>> 
>> 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';"
notmally the grace period is there for other users to react befor shutdown starts. I wonder if it's that much relevant here.., if we assume single user most of the time 0 (i.e. "now") should be ok

>> 
>> 
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>