[Triumf-linux-users] [Triumf-linux-managers] Question about time synchronization

[Isabel Trigger]

Thanks Konstantin, I can confirm that all time servers are fine (377) with offsets <4s from the host in question. The culprit seems to have been a corrupted kerberos user credentials cache file. Not sure why that resulted in an error message about clock skew!!!

Isabel

On Oct 6, 2014, at 1:07 PM, Konstantin Olchanski <olchansk at triumf.ca> wrote:

> On Sat, Oct 04, 2014 at 10:43:13AM -0400, Isabel Trigger wrote:
>> 
>>> kinit
>> Password for itrigger at CERN.CH: 
>> kinit: Clock skew too great while getting initial credentials
>> 
> 
> You can run "ntpq -p" to see the status of the ntpd time sync server.
> 
> The column "reach" should read "377" for at least one time server
> and the column "offset" is the time offset from that time server
> in seconds (in think. the ntpd/ntpq documentation is very sketchy,
> maybe why it is replaced by systemd in the "new linux").
> 
> -- 
> Konstantin Olchanski
> Data Acquisition Systems: The Bytes Must Flow!
> Email: olchansk-at-triumf-dot-ca
> Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada
>