[ntp:questions] NTP/Linux Machine Issue

unruh unruh at wormhole.physics.ubc.ca
Wed Apr 27 18:46:39 UTC 2011


On 2011-04-26, Yousif Qaddoura <Yousif.Qaddoura at damanhealth.ae> wrote:
> Hi Steve,
>
> Yes it is virtual machine, the host is linux also with vmware server installed.

Stop trying to sync a virtual machine. It's clock cannot be relied on to
keep time.

Discipline the underlying clock.


> Kinldy note that the host machine's time is correct and it is synchronizing with my NTP 10.200.37.37
>
> thanks
> yousif
> ________________________________________
> From: questions-bounces+yousif.qaddoura=damanhealth.ae at lists.ntp.org [questions-bounces+yousif.qaddoura=damanhealth.ae at lists.ntp.org] On Behalf Of Steve Kostecke [kostecke at ntp.org]
> Sent: Tuesday, April 26, 2011 6:56 PM
> To: questions at lists.ntp.org
> Subject: Re: NTP/Linux Machine Issue
>
> On 2011-04-26, Yousif Qaddoura <Yousif.Qaddoura at damanhealth.ae> wrote:
>
>> client machine : linux redhat 4.6
>>
>> [root at dmtestapp1 ~]# ntpq -p
>>
>> remote           refid      st t when poll reach  delay  offset  jitter
>>========================================================================
>> 10.200.37.37  85.91.1.180    3 u   35   64   17   0.898 1194.28 147604.
>
> Is 'dmtestapp1' a Virtual Machine (VM)?
>
>> *LOCAL(0)        LOCAL(0)   10 l   32   64   17   0.000   0.000   0.004
>
> The Undisciplined Local Clock (127.127.1.x) is not a "backup" for
> systems which do not serve time to others.
>
> --
> Steve Kostecke <kostecke at ntp.org>
> NTP Public Services Project - http://support.ntp.org/
>
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