Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-28 Thread Robert Story
On Tue, 27 Sep 2016 13:22:29 -0400 (EDT) Michal wrote: MS> > On 27 Sep 2016, at 19:12, aleksey.maksi...@it-kb.ru wrote: MS> > MS> > I'm afraid that in the future OS time may get out of sync because of kvm-clock MS> > And as a result Kerberos may stop working MS> > I hope I explained clearly

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-28 Thread aleksey . maksimov
Robert, you're right. Thanks for clarifying. 28.09.2016, 15:10, "Robert Story" : > On Tue, 27 Sep 2016 13:22:29 -0400 (EDT) Michal wrote: > MS> > On 27 Sep 2016, at 19:12, aleksey.maksi...@it-kb.ru wrote: > MS> > > MS> > I'm afraid that in the future OS time may get out of

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
Thank you 27.09.2016, 20:38, "Michal Skrivanek" : > kvmclock is the most accurate clock in Linux guests. Once you hit a bug we > can take a look at something, but until then I do not see a reason to modify > anything ___ Users

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread Michal Skrivanek
> On 27 Sep 2016, at 19:26, aleksey.maksi...@it-kb.ru wrote: > > No. At the moment I have no sync-time errors. I'm just asking hypothetically kvmclock is the most accurate clock in Linux guests. Once you hit a bug we can take a look at something, but until then I do not see a reason to modify

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
No. At the moment I have no sync-time errors. I'm just asking hypothetically 27.09.2016, 20:22, "Michal Skrivanek" : >>  On 27 Sep 2016, at 19:12, aleksey.maksi...@it-kb.ru wrote: >> >>  I'm afraid that in the future OS time may get out of sync because of >> kvm-clock >>  

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread Michal Skrivanek
> On 27 Sep 2016, at 19:12, aleksey.maksi...@it-kb.ru wrote: > > I'm afraid that in the future OS time may get out of sync because of kvm-clock > And as a result Kerberos may stop working > I hope I explained clearly Sorry, not really. You said you set up ntpd/chrony correctly. So how can the

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
I'm afraid that in the future OS time may get out of sync because of kvm-clock And as a result Kerberos may stop working I hope I explained clearly 27.09.2016, 19:59, "Michal Skrivanek" : >>  On 27 Sep 2016, at 18:57, aleksey.maksi...@it-kb.ru wrote: >> >>  Michal, please,

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread Michal Skrivanek
> On 27 Sep 2016, at 18:57, aleksey.maksi...@it-kb.ru wrote: > > Michal, please, read my first message. > I have 3 times wrote that the NTP client works for me. > The question is not that. > The question is how to disable kvm-clock for a virtual machine? What leads you to think you have to do

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
Michal, please, read my first message. I have 3 times wrote that the NTP client works for me. The question is not that. The question is how to disable kvm-clock for a virtual machine? Do I have to do it at all? If you want, how to do it correctly? My hypervisors OS - CentOS 7.2 27.09.2016,

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread Michal Skrivanek
> On 27 Sep 2016, at 17:57, aleksey.maksi...@it-kb.ru wrote: > > Yaniv, I do not understand how to do it. > You can tell steps how to do it? > > 27.09.2016, 18:53, "Yaniv Dary" : >> You can do that from the edit VM dialog. I don't think you can Aleksey, I don't understand

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
Yaniv, I do not understand how to do it. You can tell steps how to do it? 27.09.2016, 18:53, "Yaniv Dary" : > You can do that from the edit VM dialog. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread Yaniv Dary
You can do that from the edit VM dialog. Yaniv Dary Technical Product Manager Red Hat Israel Ltd. 34 Jerusalem Road Building A, 4th floor Ra'anana, Israel 4350109 Tel : +972 (9) 7692306 8272306 Email: yd...@redhat.com IRC : ydary On Tue, Sep 27, 2016 at 6:31 PM,

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
I think that the NTP-client (chrony) in guest OS may conflict with the kvm-clock (vm guest OS time sync from vm-host). Do I need to turn off kvm-clock in virtual machine properties? And how to do it? What is not clear in my question? 27.09.2016, 18:24, "aleksey.maksi...@it-kb.ru"

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
I wrote that I had set up the NTP client. The question is not that.. 27.09.2016, 17:56, "Yaniv Dary" : > Why not use ntp? ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread Yaniv Dary
Why not use ntp? Yaniv Dary Technical Product Manager Red Hat Israel Ltd. 34 Jerusalem Road Building A, 4th floor Ra'anana, Israel 4350109 Tel : +972 (9) 7692306 8272306 Email: yd...@redhat.com IRC : ydary On Tue, Sep 27, 2016 at 4:51 PM, wrote: > No ideas?

Re: [ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-27 Thread aleksey . maksimov
No ideas? ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users

[ovirt-users] Time synchronization in guest OS for Hosted Engine VM (for Kerberos)

2016-09-26 Thread aleksey . maksimov
Hello oVirt guru`s! I want to configure Kerberos authentication (via MS Active Directory) for the oVirt portal. So I need to properly configure the time synchronization for my Hosted Engine VM. I set up chronyd service in a HE VM for time synchronization from Active Directory domain