On Apr 22, 2013, at 23:19 , Itamar Heim <[email protected]> wrote: > On 04/22/2013 01:59 PM, Michal Skrivanek wrote: >>> > >>> >----- Original Message ----- >>>> >>From: "Michal Skrivanek"<[email protected]> >>>> >>To:[email protected], "Thomas Scofield"<[email protected]>, "Vinzenz >>>> >>Feenstra"<[email protected]>, "Barak >>>> >>Azulay"<[email protected]>, "Gal Hammer"<[email protected]> >>>> >>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<[email protected]> 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. If you don't want it setting user_shutdown_timeout to 0 should solve this.
>>>>> >>> >>>>> >>>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)? it is rounded up because unix shutdown works with minutes only. So it's the seconds from user_shutdown_timeout is rounded up to minutes. The Windows one should really be 30s. >>>>>> 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? >> 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? nope. It can be stopped inside the guest, well, if you manage to do that in that short time. _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users
