9:55 a.m.
----- Original Message -----
From: "Itamar Heim" <iheim(a)redhat.com>
To: "Michal Skrivanek" <michal.skrivanek(a)redhat.com>
Cc: "Gal Hammer" <ghammer(a)redhat.com>, users(a)ovirt.org, "Simon
Grinberg" <sgrinber(a)redhat.com>
Sent: Tuesday, April 23, 2013 12:19:25 AM
Subject: Re: [Users] forced shutdown with client agent
On 04/22/2013 01:59 PM, Michal Skrivanek wrote:
>> >
>> >----- Original Message -----
>>> >>From: "Michal
Skrivanek"<michal.skrivanek(a)redhat.com>
>>> >>To:users@ovirt.org, "Thomas
Scofield"<tscofield(a)gmail.com>, "Vinzenz
>>> >>Feenstra"<vfeenstr(a)redhat.com>, "Barak
>>> >>Azulay"<bazulay(a)redhat.com>, "Gal
Hammer"<ghammer(a)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(a)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.
> For that typically sysadmins use 5 or 10 minutes. 30s is worthless, no one
> would be able to react that fast…so to me this is the same as initiating
> shutdown right away. It's graceful anyway and all common apps would save
> the workspace on SIGTERM anyway. Well, does it even do anything on
> Windows?
i think its like doing a clean shutdown from within the guest
> That's why I'd vote for 0. And keep is configurable in
case you want to use
> it, sure.
>
do we allow users to cancel the shutdown?
i think 'shutdown -a' should work on windows, no?
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