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Re: hard crash on leap second

On Wed, Dec 31, 2008 at 21:59:33 -0600, John Hasler (jhasler@debian.org) wrote: 

> Ron Johnson writes:
> > See if your ISP has a timeserver. 
> Debian has time servers:
> 0.debian.pool.ntp.org
> 1.debian.pool.ntp.org
> 2.debian.pool.ntp.org
> 3.debian.pool.ntp.org

These are all aliases for 0.pool.ntp.org, 1.pool.ntp.org and so on.

It's probably best to use servers as close to you as possible - maybe
your ISP's if it exists, or, for example in Europe, the relevant ones
from this list: http://www.pool.ntp.org/zone/europe.

John - in your case it looks like your ISP is CenturyTel and they appear
to have a timeserver running on ntp0.centurytel.net - although as this is an
alias for time-c.timefreq.bldrdoc.gov (at NIST in Boulder) it may not be
exactly on your doorstep.  (It's easy to forget how huge your country is
from over here).

I use a UK ISP called Zen, and my list of servers is:

server ntp0.zen.co.uk
server 0.uk.pool.ntp.org
server 1.uk.pool.ntp.org
server 2.uk.pool.ntp.org
server 3.uk.pool.ntp.org 

The resulting current list of peers is interesting:

bob@gaia:~$ ntpq -p
     remote           refid      st t when poll reach   delay   offset  jitter
+ntp0.zen.co.uk     2 u  803 1024  377   31.644    1.352   0.117
-ntp.sinodun.org  3 u  746 1024  377   52.359    2.796   0.027
*ntp4.ja.net     .DCFa.           1 u  859 1024  377   39.036    1.115   0.018
+ntp1.arse.org    2 u  790 1024  377   37.877    1.609   0.344
-ginny.provu.co.       4 u  839 1024  377   45.955   -0.677   0.606

It seems that ntp4.ja.net is preferred to ntp0.zen.co.uk despite the
longer delay, presumably because it's a stratum 1 server?  TBH I don't
know: it 'just works' most of the time.

Yes, that third listed peer does have an usual domain name ;-)

Bob Cox.  Stoke Gifford, near Bristol, UK.
Please reply to the list only.  Do NOT send copies directly to me.
Debian on the NSLU2: http://bobcox.com/slug/

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