Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

ei Liu; freebsd-xen@freebsd.org > Subject: Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions? > > Hm, could you give a try to 11.0-RC1 when it comes out? It should be out > > today or tomorrow (builds are already underway). > > > > Roger. > > No,

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

Hello, > -Original Message- > From: Roger Pau Monné [mailto:roger@citrix.com] > Sent: Friday, August 12, 2016 10:01 AM > To: Hoyer-Reuther, Christian > Cc: Wei Liu; freebsd-xen@freebsd.org > Subject: Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

On Thu, Aug 11, 2016 at 02:29:10PM +0200, Hoyer-Reuther, Christian wrote: > Hello, > > sorry for the late response, but now I'm back from vacation and did some new > tests. > > I installed a new VM using the > FreeBSD-11.0-ALPHA6-amd64-20160701-r302303-disc1.iso, then updated to HEAD >

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

--On 29 July 2016 10:29 +0200 Roger Pau Monné wrote: Hello Karl and Christian, I have the following patches that solve all the issues I've seen with live migration, with those I've been able to migrate a VM > 100 times without seeing any issues. Could you give them a

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

On Mon, Jul 25, 2016 at 04:43:43PM +0200, Roger Pau Monné wrote: > Adding Wei to the Cc list since he added the multiqueue functionality. > > On Mon, Jul 25, 2016 at 02:59:02PM +0100, Karl Pielorz wrote: > > > > --On 22 July 2016 13:55 +0200 Roger Pau Monné wrote: > > > >

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

--On 22 July 2016 13:55 +0200 Roger Pau Monné wrote: In my environment I've migrated a FreeBSD VM with 2 cpus for > 100 consecutive times without seeing any issues (or freezes), although this was with OSS Xen and without xe-guest-utilities. Karl, have you tested HEAD

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

--On 22 July 2016 13:55 +0200 Roger Pau Monné wrote: Hello, In my environment I've migrated a FreeBSD VM with 2 cpus for > 100 consecutive times without seeing any issues (or freezes), although this was with OSS Xen and without xe-guest-utilities. Karl, have you tested

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

On Fri, Jul 22, 2016 at 12:01:16PM +0200, Hoyer-Reuther, Christian wrote: > Hello Roger, > > my test machine is now running HEAD (r303131) amd64 with > xe-guest-utilities-6.0.2 (from HEAD ports r418911). My XenServer environment > is still the same. > > When I migrate the VM to another host

RE: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

t; To: Hoyer-Reuther, Christian > Cc: freebsd-xen@freebsd.org > Subject: Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions? > > On Tue, Jul 12, 2016 at 02:04:12PM +0200, Hoyer-Reuther, Christian wrote: > > > > We run a XenServer 6.5 SP1 pool with all pa

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

Hello list, I know this is old but I discovered the same problem and found this thread but no newer information. --On Mon Nov 9 10:23:04 UTC 2015 Karl Pielorz wrote: > I've tested this on two pools now. The original production pool (Xeon > E3-1220 v3 @ 3.10GHz) has the issue. > > Our office

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

--On 03 November 2015 12:21 +0100 Roger Pau Monné wrote: Is XenServer also synchronized using ntpd? When a guest resumes from migration is updates it's current time based on the time provided by the hypervisor, so if the hosts themselves are not synchronized you could

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

El 03/11/15 a les 11.03, Karl Pielorz ha escrit: > > Hi, > > Ok, I've done some proper research into this now... > > When Migrating a domU FreeBSD (10.1-R p6) between hosts, it "more often > than not" gains time. > > This breaks NTP on the domU. > > I setup a script on the domU being migrated

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

Hi, Ok, I've done some proper research into this now... When Migrating a domU FreeBSD (10.1-R p6) between hosts, it "more often than not" gains time. This breaks NTP on the domU. I setup a script on the domU being migrated that read out it's clock - and called out to an external machine

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

--On 3 November 2015 at 12:21:20 +0100 Roger Pau Monné wrote: Can't you tell ntpd to just resynchronize no matter what skew it detects? Probably - I'll have to do some digging - I had hoped someone had hit this already, though I'm also a little concerned about

'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

Hi, We run a number of 10.x boxes under XenServer 6.5. On those boxes we run NTP as a client with a few local time servers on the network to keep the time in sync on that VM. There's a number of big threads on the Citrix forums about whether you should, or shouldn't run NTP in domU's -

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

El 02/11/15 a les 16.09, Karl Pielorz ha escrit: > > Hi, > > We run a number of 10.x boxes under XenServer 6.5. On those boxes we run > NTP as a client with a few local time servers on the network to keep > the time in sync on that VM. > > There's a number of big threads on the Citrix forums

Re: 'Live' Migrate messes up NTP on FreeBSD domU - any suggestions?

--On 2 November 2015 at 18:40:43 +0100 Roger Pau Monné wrote: remoterefid st t when poll reach delay offset jitter === ntp0 193.67.79.2022 u 931 1024 3770.232