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Subject: RE: How to reset NTP?
Date: Thu, 7 Feb 2008 15:18:36 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E083509FC@onstor-exch02.onstor.net>
In-Reply-To: <BB375AF679D4A34E9CA8DFA650E2B04E08350951@onstor-exch02.onstor.net>
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Thread-Topic: How to reset NTP?
Thread-Index: Achp1iSQyfE8Bqf5R/K1c7Hs+xAd6QACIVMg
References: <BB375AF679D4A34E9CA8DFA650E2B04E08350951@onstor-exch02.onstor.net>
From: "Charissa Willard" <charissa.willard@onstor.com>
To: "Rich LaReau" <rich.lareau@onstor.com>
Cc: "dl-cstech" <dl-cstech@onstor.com>

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You can also restart the ntpd. If you list the processes on the filer,
you will see a line like this:=20

=20

"/usr/local/sbin/ntpd -p /var/run/ntpd.pid".=20

=20

You can kill the current process and enter this line again to restart
it. It's best to monitor the process and verify that the reach value
eventually equals "377". You can monitor the ntpd process by entering
"ntpq -q".=20

=20

Here's more information on ntp that explains the fields and all:

=20

1.) The "ntpdate -q <ip_address>" command returns info for the ntp
server at the specified IP address:

=20

g8r11# ntpdate -q 10.0.0.18

server 10.0.0.18, stratum 2, offset -0.220615, delay 0.04124

 8 Jan 14:23:23 ntpdate[3190]: adjust time server 10.0.0.18 offset
-0.220615 sec

=20

2.) Use "ntptrace localhost" to trace back to the master time source:

=20

g8r11# ntptrace localhost

localhost: stratum 3, offset 0.000000, synch distance 0.14552

onstor-dc01.onstor.net: stratum 2, offset -0.210987, synch distance
0.08429

ntp0.usno.navy.mil: stratum 1, offset -0.210468, synch distance 0.00046,
refid 'USNO'

=20

3.) The "ntpq -p" command can be used to get the list of peers. (It's
similar to part of what we display for "system time show -v".)=20

=20

g8r11# ntpq -p

=20

     remote           refid      st t when poll reach   delay   offset
jitter

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D=3D

 LOCAL(0)        LOCAL(0)        10 l   62   64  377    0.000    0.000
1.953

*onstor-dc01.ons tock.usno.navy.  2 u  343  512  377    1.953  -116.42
37.205

=20

*  address of the remote peer,=20

*  reference ID (0.0.0.0 for an unknown reference ID),=20

*  the stratum of the remote peer (a stratum of 16 indicates the remote
peer is unsynchronized),=20

*  type of the peer (local, unicast, multicast or broadcast),=20

*  time the last packet was received, the polling interval (seconds),=20

*  the polling interval (seconds),=20

*  the reachability register (octal), (During a normal startup the
registers values are these: 0, 1, 3, 7, 17, 37, 77, 177, 377. Example of
an error: 257 (10101111) says that two valid responses were not received
during the last eight polls. However, the last four polls worked fine.)

*  the current estimated delay, offset and dispersion of the peer
(seconds).

=20

The delay value is derived from the roundtrip time of the queries. The
offset value shows the difference between the reference time and the
system clock. The jitter value indicates the magnitude of jitter between
several time queries. All values are milliseconds.

The character in the left margin indicates the fate of this peer in the
clock selection process:

space

discarded due to high stratum and/or failed sanity checks.

x

designated falseticker by the intersection algorithm.

.

culled from the end of the candidate list.

-

discarded by the clustering algorithm.

+

included in the final selection set.

#

selected for synchronization but distance exceeds maximum.

*

selected for synchronization.

o

selected for synchronization, pps signal in use.

=20

=20

4.) Note that the ntp messages are also saved in the syslog message
files:

=20

Jan  7 17:45:14 mktg3 ntpdate[14807]: step time server 10.0.0.18 offset
0.089707 sec
Jan  7 17:45:14 mktg3 ntpd[20971]: ntpd 4.1.0 Fri Dec 28 21:31:16 PST
2007 (1)
Jan  7 17:45:14 mktg3 ntpd[20971]: precision =3D 6 usec
Jan  7 17:45:15 mktg3 ntpd[20971]: kernel time discipline status 0040
Jan  7 17:45:15 mktg3 ntpd[20971]: frequency initialized -16.924 from
/var/ntp/drift

=20

=20

=20

-----Original Message-----
From: Rich LaReau=20
Sent: Thursday, February 07, 2008 2:10 PM
To: dl-cstech
Subject: How to reset NTP?

=20

=20

If it appears that NTP is not working on a node (or two) what's the
recommended way to get it back?  I have a customer which shows that NTP
appears to be configured and working, yet the two nodes are 2 and 5
minutes behind the NTP server, respectively. =20

=20

One recommendation is to delete and re-add the NTP server.  Is that the
best option?

=20

Thanks,

Rich


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<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>You can also restart the ntpd. If you list the processes on the =
filer,
you will see a line like this: <o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>&#8220;/usr/local/sbin/ntpd -p /var/run/ntpd.pid&#8221;. =
<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>You can kill the current process and enter this line again to =
restart
it. It&#8217;s best to monitor the process and verify that the reach =
value
eventually equals &#8220;377&#8221;. You can monitor the ntpd process by
entering &#8220;ntpq &#8211;q&#8221;. <o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>Here&#8217;s more information on ntp that explains the fields and =
all:<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'>1.)
The &#8220;ntpdate &#8211;q &lt;ip_address&gt;&#8221; command returns =
info for
the ntp server at the specified IP address:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>g8r11# ntpdate -q =
10.0.0.18<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>server 10.0.0.18, stratum 2, offset -0.220615, =
delay
0.04124<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>&nbsp;8 Jan 14:23:23 ntpdate[3190]: adjust =
time server
10.0.0.18 offset -0.220615 sec<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'>2.)
Use &#8220;ntptrace localhost&#8221; to trace back to the master time =
source:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>g8r11# ntptrace =
localhost<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>localhost: stratum 3, offset 0.000000, synch =
distance
0.14552<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>onstor-dc01.onstor.net: stratum 2, offset =
-0.210987,
synch distance 0.08429<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>ntp0.usno.navy.mil: stratum 1, offset =
-0.210468, synch
distance 0.00046, refid 'USNO'<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'>3.)
The &#8220;ntpq &#8211;p&#8221; command can be used to get the list of =
peers.
(It&#8217;s similar to part of what we display for &#8220;system time =
show
&#8211;v&#8221;.) <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>g8r11# ntpq =
&#8211;p<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;
remote&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
refid&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; st t when poll <b><span =
style=3D'font-weight:
bold'>reach</span></b>&nbsp;&nbsp; delay&nbsp;&nbsp; offset&nbsp; =
jitter<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>&nbsp;LOCAL(0)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;
LOCAL(0)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10 l&nbsp;&nbsp;
62&nbsp;&nbsp; 64&nbsp; 377&nbsp;&nbsp;&nbsp; 0.000&nbsp;&nbsp;&nbsp;
0.000&nbsp;&nbsp; 1.953<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'>*onstor-dc01.ons tock.usno.navy.&nbsp; 2 =
u&nbsp;
343&nbsp; 512&nbsp; 377&nbsp;&nbsp;&nbsp; 1.953&nbsp; -116.42&nbsp; =
37.205<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
address of the remote peer, <o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
<a name=3DA39DA96C152stue></a>reference ID (0.0.0.0 for an unknown =
reference ID),
<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
<a name=3DA39DA96C241stue></a>the stratum of the remote peer (a stratum =
of 16
indicates the remote peer is unsynchronized), =
<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
<a name=3DA39DA96C294stue></a>type of the peer (local, unicast, =
multicast or
broadcast), <o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
<a name=3DA39DA96C405stue></a>time the last packet was received, the =
polling
interval (seconds), <o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
<a name=3DA39DA96C456stue></a>the polling interval (seconds), =
<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
<a name=3DA39DA96C487stue></a>the reachability register (octal), (During =
a normal
startup the registers values are these: </span></font><font
face=3D"Times New Roman"><span style=3D'font-family:"Times New =
Roman"'>0</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>1</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>3</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>7</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>17</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>37</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>77</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>177</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>,
</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>377.
Example of an error:</span></font><font size=3D3 face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'> =
</span></font><font
face=3D"Times New Roman"><span style=3D'font-family:"Times New =
Roman"'>257</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>
(</span></font><font face=3D"Times New Roman"><span =
style=3D'font-family:"Times New Roman"'>10101111)</span></font><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>
says that two valid responses were not received during the last eight =
polls.
However, the last four polls worked fine.)<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3DSymbol><span
style=3D'font-size:12.0pt;font-family:Symbol'>&middot;</span></font><font=
 size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>&nbsp;
<a name=3DA39DA96C546stue></a>the current estimated delay, offset and =
dispersion
of the peer (seconds).<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>The <b><span
style=3D'font-weight:bold'>delay</span></b> value is derived from the =
roundtrip
time of the queries. The <b><span =
style=3D'font-weight:bold'>offset</span></b>
value shows the difference between the reference time and the system =
clock. The
<b><span style=3D'font-weight:bold'>jitter</span></b> value indicates =
the
magnitude of jitter between several time queries. All values are =
milliseconds.<o:p></o:p></span></font></p>

<p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:.5in'><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt;font-family:"Times New Roman"'>The character in the left margin
indicates the fate of this peer in the clock selection =
process:<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>space<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>discarded due =
to high
stratum and/or failed sanity checks.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>x<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>designated =
falseticker
by the intersection algorithm.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>culled from the =
end of
the candidate list.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>-<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>discarded by =
the
clustering algorithm.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>+<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>included in the =
final
selection set.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>#<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>selected for
synchronization but distance exceeds =
maximum.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>*<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>selected for =
synchronization.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'>o<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New Roman"'>selected for
synchronization, pps signal in use.<o:p></o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D1 =
face=3D"Courier New"><span
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'>4.)
Note that the ntp messages are also saved in the syslog message =
files:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3D"Courier New"><span
style=3D'font-size:10.0pt'>Jan&nbsp; 7 17:45:14 mktg3 ntpdate[14807]: =
step time
server 10.0.0.18 offset 0.089707 sec<br>
Jan&nbsp; 7 17:45:14 mktg3 ntpd[20971]: ntpd 4.1.0 Fri Dec 28 21:31:16 =
PST 2007
(1)<br>
Jan&nbsp; 7 17:45:14 mktg3 ntpd[20971]: precision =3D 6 usec<br>
Jan&nbsp; 7 17:45:15 mktg3 ntpd[20971]: kernel time discipline status =
0040<br>
Jan&nbsp; 7 17:45:15 mktg3 ntpd[20971]: frequency initialized -16.924 =
from
/var/ntp/drift<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>-----Original Message-----<br>
From: Rich LaReau <br>
Sent: Thursday, February 07, 2008 2:10 PM<br>
To: dl-cstech<br>
Subject: How to reset NTP?</span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>If it appears that NTP is not working on a node (or two) what's =
the
recommended way to get it back?&nbsp; I have a customer which shows that =
NTP
appears to be configured and working, yet the two nodes are 2 and 5 =
minutes
behind the NTP server, respectively.&nbsp; <o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>One recommendation is to delete and re-add the NTP server.&nbsp; =
Is that
the best option?<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>Thanks,<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D1 face=3D"Courier New"><span =
style=3D'font-size:
9.0pt'>Rich<o:p></o:p></span></font></p>

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