[Pool] time reset

Courtney Bane courtney at cbane.org
Fri Mar 25 04:48:43 UTC 2011


On Mar 24, 2011, at 11:13 PM, Chuck Swiger wrote:

> On Mar 24, 2011, at 7:42 PM, Ryan Tucker wrote:
>> If you do run ntpd, everything is fine.  It has no problems keeping
>> accurate time, and the PLL stats show no differences from real hardware.
>> It makes for perfectly capable pool servers, too.
> 
> Please show me some data, ie, "ntpq -pcrv" output.....


Here's the data from my pool server. It's a Xen VM from Linode running Ubuntu Maverick in the domU; I don't know any details about the dom0. My pool stats page is here: <http://www.pool.ntp.org/scores/74.207.249.60>, and it responds to queries, if you want to poke at it some more yourself.

$ ntpq -pcrv
assID=0 status=06f4 leap_none, sync_ntp, 15 events, event_peer/strat_chg,
version="ntpd 4.2.4p8 at 1.1612-o Fri Aug  6 22:49:54 UTC 2010 (1)",
processor="i686", system="Linux/2.6.35-28-generic-pae", leap=00,
stratum=2, precision=-20, rootdelay=1.205, rootdispersion=32.603,
peer=63672, refid=204.123.2.5,
reftime=d13697be.a600bd15  Thu, Mar 24 2011 23:25:34.648, poll=10,
clock=d1369ac9.42029255  Thu, Mar 24 2011 23:38:33.257, state=4,
offset=0.110, frequency=22.844, jitter=1.778, noise=1.929,
stability=0.013, tai=0, access_policy="open access"
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
-clock.fmt.he.ne .GPS.            1 u  672 1024  377    0.289    7.463   3.783
-clock.sjc.he.ne .GPS.            1 u  625 1024  377    0.242    7.621   0.247
*clepsydra.dec.c .GPS.            1 u  780 1024  377    1.205    0.125   1.775
+nist1.symmetric .ACTS.           1 u  578 1024  377    5.826    0.143   0.174
+time-B.timefreq .ACTS.           1 u  361 1024  377   28.901   -0.027   0.071
-clock.xmission. .GPS.            1 u  364 1024  377   17.321   -0.221   0.003

-- 
Courtney Bane
"He that would make his own liberty secure, must guard even his enemy
from oppression; for if he violates this duty, he establishes a
precedent that will reach to himself."  -- Thomas Paine





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