[ntp:questions] orphan mode

2011-05-19 Thread Frank Alsop
Hi,    We have a relatively small network and are trying to use ntp peering and orphan mode and I have a couple of questions.  I have read the info at http://www.eecis.udel.edu/~mills/ntp/html/orphan.html but I am having trouble figuring out the correct tos orphan statement we should use. We

[ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread M. Giertzsch
Hello together, I want to synchronise a local network and there is no uplink to the outside world. So I have one dedicated ntp server and all other devices are client of this server. Now if there is a powerfail, there is no guarantee that the server has finished the boot before the clients

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Heiko Gerstung
Hi, Am 18.05.2011 11:57, schrieb M. Giertzsch: Hello together, I want to synchronise a local network and there is no uplink to the outside world. So I have one dedicated ntp server and all other devices are client of this server. Now if there is a powerfail, there is no guarantee that

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread M. Giertzsch
Am 19.05.2011 16:01, schrieb Heiko Gerstung: Hi, Am 18.05.2011 11:57, schrieb M. Giertzsch: Hello together, I want to synchronise a local network and there is no uplink to the outside world. So I have one dedicated ntp server and all other devices are client of this server. Now if there

Re: [ntp:questions] orphan mode

2011-05-19 Thread Nickolay Orekhov
Instead of using orphan mode you could try to setup local reference clock, see here http://www.eecis.udel.edu/~mills/ntp/html/drivers/driver1.html http://www.eecis.udel.edu/~mills/ntp/html/drivers/driver1.htmlThan, It's not clear why you need orphan mode at all? In any case you could set orphan

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Chuck Swiger
On May 19, 2011, at 10:01 AM, M. Giertzsch wrote: To run into the problem that the client is not syncing to the server I -- stopped the NTP service on both client and server -- changed the time on the client back to january of 1975 -- started the NTP service on the client -- started the NTP

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Uwe Klein
M. Giertzsch wrote: But hmm, still it seems to me that the client does not sync when finished booting before the server does. What about that iburst mentioned in my recent post and may it be that I have to be more patient waiting for the next poll (but I waited half an hour). What is your

Re: [ntp:questions] orphan mode

2011-05-19 Thread Steve Kostecke
On 2011-05-17, Frank Alsop feal...@yahoo.com wrote:    We have a relatively small network and are trying to use ntp peering and orphan mode and I have a couple of questions.  I have read the info at http://www.eecis.udel.edu/~mills/ntp/html/orphan.html That is the documentation for the

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Steve Kostecke
On 2011-05-19, M. Giertzsch mgiertz...@mobotix.com wrote: This is of course true, I can't say that that one server serves the correct time. But in a closed environment I can't guarantee that even when using more servers. If real time is needed I'm in need of a GPS module or something like

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Rob
M. Giertzsch mgiertz...@mobotix.com wrote: To run into the problem that the client is not syncing to the server I -- stopped the NTP service on both client and server -- changed the time on the client back to january of 1975 -- started the NTP service on the client -- started the NTP service

Re: [ntp:questions] orphan mode

2011-05-19 Thread David Woolley
Nickolay Orekhov wrote: Instead of using orphan mode you could try to setup local reference clock, see here http://www.eecis.udel.edu/~mills/ntp/html/drivers/driver1.html Orphan mode is an attempt to do time islands properly. The local clock driver should have been used in hardly any of the

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Hal Murray
In article 35fcd513-e8ea-4feb-a33b-6d47d6556...@mac.com, Chuck Swiger cswi...@mac.com writes: On May 19, 2011, at 10:01 AM, M. Giertzsch wrote: To run into the problem that the client is not syncing to the server I -- stopped the NTP service on both client and server -- changed the time on the

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread E-Mail Sent to this address will be added to the BlackLists
M. Giertzsch wrote: The servers configuration is: restrict default notrap nomodify nopeer noquery -^^^ restrict 127.0.0.1 driftfile /var/status/ntp.drift pidfile /var/run/ntpd.pid server 127.127.1.1 fudge 127.127.1.1 stratum

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Richard B. Gilbert
On 5/19/2011 12:08 PM, M. Giertzsch wrote: Am 19.05.2011 17:55, schrieb Chris Albertson: On Wed, May 18, 2011 at 2:57 AM, M. Giertzschmgiertz...@mobotix.com wrote: Now if there is a powerfail, there is no guarantee that the server has finished the boot before the clients have. In this case

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Chris Albertson
On Thu, May 19, 2011 at 5:38 PM, Richard B. Gilbert rgilber...@comcast.net wrote: On 5/19/2011 12:08 PM, M. Giertzsch wrote: Am 19.05.2011 17:55, schrieb Chris Albertson: On Wed, May 18, 2011 at 2:57 AM, M. Giertzschmgiertz...@mobotix.com wrote: Now if there is a powerfail, there is no

Re: [ntp:questions] Ntp not syncing after powerfail of server

2011-05-19 Thread Harlan Stenn
Richard wrote: NTPD needs something like thirty minutes before it is able to serve a reasonable facsimile of the correct time. It needs up to ten hours after startup to deliver the highest quality time that it is capable of. Well, that's true for cold-start, with no drift file. But it's