[hobbit] ntp check expansion thoughts

[Deal, Richard]

I use server-time-ntp.0.9.2.3.tar.gz from deadcat to do just that.


> -----Original Message-----
> From: gendalia at iastate.edu [mailto:gendalia at iastate.edu]
> Sent: Tuesday, January 24, 2006 11:16 AM
> To: hobbit at hswn.dk
> Subject: [hobbit] ntp check expansion thoughts
> 
> 
> We're a kerberos based shop, which means everything authenticating
> to kerberos needs to be within 5 minutes of our kerberos server's
> clock.  We recently had problems with a few important servers having
> severe time keeping problems, as well as two of our time servers not
> keeping sync because of multiprocessor issues.  For a lot of our
> servers it'd be nice to warn if time is more than a minute or two
> out from our reference clock on the kerberos servers, and go red at
> four or five minutes out.  But it'd also be nice to have a warning
> if our central time servers are having problems keeping sync, or
> having other problems (I'm not intimately familiar with ntp, so I'm
> not sure what problems those could be).
> 
> I think the ntp check right now only checks that ntp is running.
> It would be nice to check that there's a valid sys.peer, and maybe
> some number of acceptable candidates, maybe that the offset and
> jitter are within some reasonable parameters for the peers/servers.
> 
> I'm mostly just thinking about implementing something like this
> at the moment, maybe someone already has this, or maybe there's
> a better way to think about this, so I'd appreciate input on it.
> 
> Tracy J. Di Marco White
> Information Technology Services
> Iowa State University
> 
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