NTP high offset | no servers can be used, exiting Post: 302838473

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Top Forums UNIX for Dummies Questions & Answers NTP high offset | no servers can be used, exiting Post 302838473 by stunn3r on Monday 29th of July 2013 08:58:33 PM

07-29-2013

Registered User

NTP high offset | no servers can be used, exiting

sudo /usr/sbin/ntpdate -q nxdbsr01.paramount.com

Code:

server 192.168.148.165, stratum 2, offset 45.247135, delay 0.09427
29 Jul 17:49:48 ntpdate[11404]: step time server 192.168.148.165 offset 45.247135 sec

sudo /usr/sbin/ntpdate -d nxdbsr01.paramount.com

Code:

29 Jul 17:49:54 ntpdate[11405]: ntpdate 4.2.0a@1.1190-r Thu May 13 04:29:07 EDT 2010 (1)
Looking for host nxdbsr01.paramount.com and service ntp
host found : nxdbsr01.paramount.com
transmit(192.168.148.165)
receive(192.168.148.165)
transmit(192.168.148.165)
receive(192.168.148.165)
transmit(192.168.148.165)
receive(192.168.148.165)
transmit(192.168.148.165)
receive(192.168.148.165)
transmit(192.168.148.165)
server 192.168.148.165, port 123
stratum 2, precision -20, leap 00, trust 000
refid [192.168.148.165], delay 0.09438, dispersion 0.00768
transmitted 4, in filter 4
reference time:    d5a18991.35bf5946  Mon, Jul 29 2013 17:38:41.209
originate timestamp: d5a18c60.e4c42635  Mon, Jul 29 2013 17:50:40.893
transmit timestamp:  d5a18c32.e169c23b  Mon, Jul 29 2013 17:49:54.880
filter delay:  0.09541  0.09489  0.09438  0.09535
         0.00000  0.00000  0.00000  0.00000
filter offset: 45.95513 45.96297 45.97070 45.97821
         0.000000 0.000000 0.000000 0.000000
delay 0.09438, dispersion 0.00768
offset 45.970707

29 Jul 17:49:54 ntpdate[11405]: step time server 192.168.148.165 offset 45.970707 sec

sudo /usr/sbin/ntpdate -U nxdbsr01.paramount.com

Code:

29 Jul 17:50:01 ntpdate[11409]: no servers can be used, exiting

sudo /usr/sbin/ntpq -pn

Code:

   remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 192.168.148.165 128.138.141.172  2 u   31   64  377   69.683  33347.4 19119.3
 10.40.143.51    69.25.96.13      2 u   26   64  377    0.350  46917.9 29341.6
 10.40.143.52    69.25.96.13      2 u   28   64  377    0.342  14097.4 19138.5
 192.168.148.40  129.6.15.29      2 u   21   64  377   69.682  7680.91 23931.3
*127.127.1.0     LOCAL(0)        10 l   26   64  377    0.000    0.000   0.001

cat /etc/ntp.conf:

Code:

# restricted by default
restrict default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery

# permit access from loopback interface
restrict 127.0.0.1
restrict -6 ::1

# time servers
server nxdbsr01.paramount.com
server nxinfp02.paramount.com
server nxinfp03.paramount.com
server nxinfr04.paramount.com

# local clock
server 127.127.1.0
fudge 127.127.1.0 stratum 10

# drift file
driftfile /var/lib/ntp/drift

sudo /usr/bin/ntpstat && echo $?

Code:

sudo /usr/bin/ntpstat && echo $?
synchronised to local net at stratum 11
   time correct to within 75 ms
   polling server every 64 s
0

I am facing this frequently on many of my production servers in my enviroment ..

what could be the prob. ? how could I get this resolved ?

Last edited by stunn3r; 07-29-2013 at 10:10 PM..

stunn3r

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