Correct time setup

[Chris Fadrowski]

I would like to sync my clock (time) with an Win2K server on my domain on a consistent basis. Can someone detail how this procedure is done. It seems that our HPUX servers get off mark quite a bit and it is causing some issues with backup and backup times.

[Helen French]

Hi,

What about using NTP ?

# man xntpd

HTH,
Shiju

[Alex Glennie]

see http://docs.hp.com/cgi-bin/fsearch/framedisplay?top=/hpux/onlinedocs/B2355-90685/B2355-90685_top.html&con=/hpux/onlinedocs/B2355-90685/00/00/63-con.html&toc=/hpux/onlinedocs/B2355-90685/00/00/63-toc.html&searchterms=ntp&queryid=20020424-071711 ? ..... a good place to start.

[Jeff Schussele]

Hi Chris,

You need to use the NTP (Network Time Protocol) daemon - xntpd
The config file for it is /etc/ntp.conf which is where you will set the host to be polled or listened to for time sync. You'll have to set the NT system to be a NTP server.
It is better, however to use a more "accurate" source, such as a GSP radio signal or recognized NTP servers out on the Internet. They would be MUCH more accurate & then you could set the rest of the servers to sync of the internal server being served by the outside server.

Rgds,
Jeff

[Ceesjan van Hattum · Accepted solution]

Put in your /etc/ntp.conf

driftfile /etc/ntp.drift
statsdir /tmp/ntpstats

server version 3 prefer
server version 3

That is all..

Link the /etc/rc2.d/S660xntpd to /sbin/init.d/xntpd

You can also set it using 'sam'.
Look at /etc/ntp.drift to check if it works: 'cat' and 'll'.

Success,
Ceesjan

[S.K. Chan]

I do not know if HP-UX machine can sync it's time with and Win2K server but as far as setting up and NTP client on your Unix box, it's relatively simple..

# vi /etc/rc.config.d/netdameons
..
export NTPDATE_SERVER="servername.domain.com"
export XNTPD=1
..
# vi /etc/ntp.conf
server servername.domain.com
driftfile /etc/ntp.drift
# touch /etc/ntp.drift
# /usr/sbin/xntpd
==> start ntp

# /usr/sbin/ntpq -p
==> check association..

[Chris Fadrowski]

i did this and i am still getting "no association ID's returned" any ideas?

[Jeff Schussele]

Hi Chris,

You need to install NTP SW & configure the WIN2K system to be an NTP server.
SW & further info can be obtained at:

http://www.eecis.udel.edu/~ntp/software/win9x.html

HTH,
Jeff

[S.K. Chan]

Possible reasons for that ..
1) NTP server cannot be reached over network.
2) NTP server is not running NTP.
3) NTP server's own timeclock is not sync'd up.

[James R. Ferguson]

Hi Chris:

"No association" means that a suitable time source cannot be found. This could be due to a difference in time between you and your source that exceeds 1000 seconds. Other possibliities include an unreachable source or a server that does not offer NTP packets.

Regards!

...JRF...

[Jeff Schussele]

Chris,

One final point to consider is the traffic between an NTP server & it's clients.
NTP uses port 123 UDP.
So if a firewall exists in your network between server/client OR you will obtain NTP traffic from outside your network, you'll have to make sure that traffic can pass between the NTP server & it's clients.

Rgds,
Jeff

[Darrell Allen]

Hi Chris,

I use NetTime on several W2K Pro, NT4.0 server, NT4.0 workstation, and Win98 boxes. It's available from:
http://nettime.sourceforge.net

You can install it as a service (if you desire), sync to Internet sources (provided your firewalls allow that), and allow other systems to sync to your system.

I use NTP on my HPUX servers to sync to an internal NTP server but I have tested syncing to a NetTime PC without problem.

Darrell

[MANOJ SRIVASTAVA]

Chris

It looks it is not able to reach the server you ahve set for reading the time .

Can you ping to the server with the IP Adress setup in the /etc/ntp.conf file , ofcourse the NTP daemon should eb running.

Here is the link to docs.hp for more trouble shooting :
http://docs.hp.com/cgi-bin/fsearch/framedisplay?top=/hpux/onlinedocs/B2355-90685/B2355-90685_top.html&con=/hpux/onlinedocs/B2355-90685/00/00/63-con.html&toc=/hpux/onlinedocs/B2355-90685/00/00/63-toc.html&searchterms=NTP&queryid=20020415-123421


Manoj Srivastava

[Chris Fadrowski]

thanks to all who helped. I found that the time service on the W2K box was stopped. Once i started this and stopped and started NTP service on teh UNIX box, i got a response. Thanks again.