what was up with ntp again?

Brandon Allbery allbery.b at gmail.com
Mon Mar 23 11:20:49 PDT 2015


On Mon, Mar 23, 2015 at 2:17 PM, Chris Jones <jonesc at hep.phy.cam.ac.uk>
wrote:

> > The default permissions are likely to be fine:
> >
> > -rw-r--r-- 1 root wheel 9 Dec 24 02:58 /var/db/ntp.drift
>
> That file hasn't been updated for a while ?
>

That would be correct for the Apple ntpd/pacemaker setup. It's created once
and not updated thereafter, which is the root of the usual problem --- real
ntpd will adjust the drift when it changes, Apple's does not, and new
machines will usually see changes in their clock drift as they settle in.
And the fix is to remove the out of date one, run Apple ntpd or full ntpd
without pacemaker running to let it create a more up to date one, and then
restart pacemaker, as I described originally.

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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