Re: [ntp:questions] How to insert a leap second with ntpq
Interesting program but not necessary. ntpq need only. ntpd 4.2.7 ntpq mrv 1 99 srcadr,leap,refid srcadr=192.168.138.2, leap=00, refid=89.239.186.21 srcadr=192.168.138.24, leap=00, refid=192.168.138.2 srcadr=192.168.138.6, leap=00, refid=192.168.113.2 srcadr=192.168.113.6, leap=00, refid=192.168.113.2 srcadr=0.0.0.0, leap=11, refid=POOL srcadr=93.180.7.2, leap=00, refid=130.173.91.58 srcadr=62.76.96.10, leap=00, refid=130.173.91.58 srcadr=85.21.78.91, leap=01, refid=193.10.7.246 srcadr=81.95.131.130, leap=00, refid=62.117.76.142 srcadr=195.189.122.154, leap=00, refid=1.1.1.1 or for old ntpd ntpq mrv 59605 59614 srcadr,leap,refid srcadr=192.168.138.2, leap=00, refid=89.239.186.21 srcadr=192.168.138.24, leap=00, refid=192.168.138.2 srcadr=192.168.138.6, leap=00, refid=192.168.113.2 srcadr=192.168.113.6, leap=00, refid=192.168.113.2 srcadr=0.0.0.0, leap=11, refid=POOL srcadr=93.180.7.2, leap=00, refid=130.173.91.58 srcadr=62.76.96.10, leap=00, refid=130.173.91.58 srcadr=85.21.78.91, leap=01, refid=193.10.7.246 srcadr=81.95.131.130, leap=00, refid=62.117.76.142 srcadr=195.189.122.154, leap=00, refid=1.1.1.1 2012/6/21 David J Taylor david-tay...@blueyonder.co.uk.invalid With all this discussion of leap-seconds, perhaps it's timely to mention my simple tools for leap-second checking across servers. You will find NTP Leap trace here: http://www.satsignal.eu/software/net.htm#NTPLeapTrace At this instant, fewer than 1 in 10 of the remote servers I'm using are indicating a pending leap second, and we are 9 days away from the event. I can't recall now how long before the event it should be announced by typical NTP servers. Cheers, David ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
Michael Tatarinov wrote in message news:CABrG=ZyThJQchY_q90vNk=mnfwzsjeu0eocjbn0h5ovrmxu...@mail.gmail.com... Interesting program but not necessary. ntpq need only. ntpd 4.2.7 ntpq mrv 1 99 srcadr,leap,refid or for old ntpd ntpq mrv 59605 59614 srcadr,leap,refid = Of course, my program is only needed for those of us who lack the ability to remember those arcane and obscure commands off the top of our heads! Double-clicking NTPLeapTrace is easier G Cheers, David -- SatSignal Software - Quality software written to your requirements Web: http://www.satsignal.eu Email: david-tay...@blueyonder.co.uk ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
Michael Tatarinov wrote: ntpd 4.2.7 mrv 1 99 srcadr,leap,refid --^^^ That doesn't work for at least some (most ?) flavors before 4.2.7p279 ? as well as some 4.2.5?, maybe others? See Also: http://bugs.ntp.org/show_bug.cgi?id=2220 -- E-Mail Sent to this address blackl...@anitech-systems.com will be added to the BlackLists. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
Hi again David, I ran your Leap Trace program against my gps-based time servers and not one is showing a leap second pending. Not even this one that is leap-second configured. GPSCON is showing a leap second pending on my HP Z3801. This is very mysterious. R -Original Message- From: questions-bounces+ron.hahn=fmr@lists.ntp.org [mailto:questions-bounces+ron.hahn=fmr@lists.ntp.org] On Behalf Of David J Taylor Sent: 21 June 2012 15:52 To: questions@lists.ntp.org Subject: Re: [ntp:questions] How to insert a leap second with ntpq With all this discussion of leap-seconds, perhaps it's timely to mention my simple tools for leap-second checking across servers. You will find NTP Leap trace here: http://www.satsignal.eu/software/net.htm#NTPLeapTrace At this instant, fewer than 1 in 10 of the remote servers I'm using are indicating a pending leap second, and we are 9 days away from the event. I can't recall now how long before the event it should be announced by typical NTP servers. Cheers, David ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
One (timelord.w1nr.net) out of 9 here: server clock.psu.edu iburst minpoll 4 maxpoll 6 server clock01.sctn01.burst.net iburst minpoll 4 maxpoll 6 server clock02.sctn01.burst.net iburst minpoll 4 maxpoll 6 server timelord.w1nr.net iburst minpoll 4 maxpoll 6 server tick.jrc.us iburst minpoll 4 maxpoll 6 server tock.jrc.us iburst minpoll 4 maxpoll 6 server alice.ziaspace.com iburst minpoll 4 maxpoll 6 server OptimusPrime.64bitVPS.com iburst minpoll 4 maxpoll 6 server sundial.columbia.edu iburst minpoll 4 maxpoll 6 Charles Elliott -Original Message- From: questions-bounces+elliott.ch=verizon@lists.ntp.org [mailto:questions-bounces+elliott.ch=verizon@lists.ntp.org] On Behalf Of Hahn, Ron Sent: Wednesday, June 27, 2012 11:55 AM To: David J Taylor; questions@lists.ntp.org Subject: Re: [ntp:questions] How to insert a leap second with ntpq Hi again David, I ran your Leap Trace program against my gps-based time servers and not one is showing a leap second pending. Not even this one that is leap- second configured. GPSCON is showing a leap second pending on my HP Z3801. This is very mysterious. R -Original Message- From: questions-bounces+ron.hahn=fmr@lists.ntp.org [mailto:questions-bounces+ron.hahn=fmr@lists.ntp.org] On Behalf Of David J Taylor Sent: 21 June 2012 15:52 To: questions@lists.ntp.org Subject: Re: [ntp:questions] How to insert a leap second with ntpq With all this discussion of leap-seconds, perhaps it's timely to mention my simple tools for leap-second checking across servers. You will find NTP Leap trace here: http://www.satsignal.eu/software/net.htm#NTPLeapTrace At this instant, fewer than 1 in 10 of the remote servers I'm using are indicating a pending leap second, and we are 9 days away from the event. I can't recall now how long before the event it should be announced by typical NTP servers. Cheers, David ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
You quoting is horrible. VEry hard to know what the old material and what your answer. On 2012-06-23, ZHOU.Jun dimotion.z...@gmail.com wrote: ??? 2012???6???22UTC+8??3???57???27??David Woolley? ZHOU.Jun wrote: Thanks all for your feedback. Why do you worry about small issues like a leapsecond when you tolerate your customers to use software as old as that? First things first! [ZHOU Jun]Since this old version was provided by us,we have to take the responsibility. So why are you supplying such horribly old software? You know what? At the leapsecond time, everything will shake a bit but within an hour or so everyone again agrees what the correct time is and all servers are synced again. [ZHOU Jun]I think I know, we have a bug in our software, we facing the risk that kernel will be hanged when deal the leap second issue. How will the kernel hang? the system clock will keep ticking. ntpd will suddenly discover on its next poll that the local clock is out by a second. It will wait a while for a few polling intervals to make sure that this is not due to some temporary abberation, and then step the local clock (since it is out by more than 128ms. ) You could turn off stepping. seems rl sub-command is also work. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
在 2012年6月22日星期五UTC+8上午3时57分27秒，David Woolley写道： ZHOU.Jun wrote: Thanks all for your feedback. Why do you worry about small issues like a leapsecond when you tolerate your customers to use software as old as that? First things first! [ZHOU Jun]Since this old version was provided by us,we have to take the responsibility. You know what? At the leapsecond time, everything will shake a bit but within an hour or so everyone again agrees what the correct time is and all servers are synced again. [ZHOU Jun]I think I know, we have a bug in our software, we facing the risk that kernel will be hanged when deal the leap second issue. seems rl sub-command is also work. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
Zhou Xiansheng, I found that my ntp version is 3-5.93e which is before 4.2.6 So I should use the method 6.14.2. NTP Versions before 4.2.6 right? 3-5.93e is *very* old for software: http://support.ntp.org/bin/view/Dev/ReleaseTimeline It is NTP3 code, not NTP4. Probably from the spring or summer of 1997. Is it difficult to upgrade to newer software? H ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
ZHOU.Jun wrote: I found that my ntp version is 3-5.93e which is before 4.2.6 That version is extremely obsolete (probably more than a decade, possibly as much as 15 years). It doesn't support leap second files. Very few people will be able to remember far enough back to answer your question, although I suspect the only way of setting the bits is by a leap second aware clock driver. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
在 2012年6月21日星期四UTC+8下午2时32分31秒，Harlan Stenn写道： Zhou Xiansheng, I found that my ntp version is 3-5.93e which is before 4.2.6 So I should use the method 6.14.2. NTP Versions before 4.2.6 right? 3-5.93e is *very* old for software: http://support.ntp.org/bin/view/Dev/ReleaseTimeline It is NTP3 code, not NTP4. Probably from the spring or summer of 1997. Is it difficult to upgrade to newer software? H Yes, because this version is used by our costumers. I have to be in line with them. Another question,in my case, I have two NTP server. NTP1 and NTP2 NTP1 is the server and NTP2 is the client. Normally, I will trigger leap second from NTP1, then theoretically, NTP2 will receive leap second. Then how can i confirm that NTP2 received the leap second from NTP1? Thank in advance. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
ZHOU.Jun dimotion.z...@gmail.com wrote: 在 2012年6月21日星期四UTC+8下午2时32分31秒，Harlan Stenn写道： Zhou Xiansheng, I found that my ntp version is 3-5.93e which is before 4.2.6 So I should use the method 6.14.2. NTP Versions before 4.2.6 right? 3-5.93e is *very* old for software: http://support.ntp.org/bin/view/Dev/ReleaseTimeline It is NTP3 code, not NTP4. Probably from the spring or summer of 1997. Is it difficult to upgrade to newer software? H Yes, because this version is used by our costumers. I have to be in line with them. Why do you worry about small issues like a leapsecond when you tolerate your customers to use software as old as that? First things first! You know what? At the leapsecond time, everything will shake a bit but within an hour or so everyone again agrees what the correct time is and all servers are synced again. We know that from previous experience. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
With all this discussion of leap-seconds, perhaps it's timely to mention my simple tools for leap-second checking across servers. You will find NTP Leap trace here: http://www.satsignal.eu/software/net.htm#NTPLeapTrace At this instant, fewer than 1 in 10 of the remote servers I'm using are indicating a pending leap second, and we are 9 days away from the event. I can't recall now how long before the event it should be announced by typical NTP servers. Cheers, David ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
ZHOU.Jun wrote: Yes, because this version is used by our costumers. Current NTP servers will respond correctly to NTP V3 requests, and can be forced to act as V3 clients. I have to be in line with them. Another question,in my case, I have two NTP server. NTP1 and NTP2 NTP1 is the server and NTP2 is the client. Normally, I will trigger leap second from NTP1, then theoretically, NTP2 will receive leap second. Then how can i confirm that NTP2 received the leap second from NTP1? The rv 0 sub-command of ntpq. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
On Wed, Jun 20, 2012 at 4:30 AM, ZHOU.Jun wrote: I need to do some tests with ntpd and I want to have NTP packets set Leap indicator in order to insert a leap second to a Linux server running ntp client. How can I configure the server to generate a packet with Leap indicator 0x01? Install the leapfile informing ntpd of the leap second to be inserted at the end of this month: http://support.ntp.org/bin/view/Support/ConfiguringNTP#Section_6.14. Set the clock to the last day of this month -- verify with date -u which will show the UTC time. The insertion happens at the start of July 1 UTC. Cheers, Dave Hart ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
在 2012年6月20日星期三UTC+8下午1时42分04秒，Dave Hart写道： On Wed, Jun 20, 2012 at 4:30 AM, ZHOU.Jun wrote: I need to do some tests with ntpd and I want to have NTP packets set Leap indicator in order to insert a leap second to a Linux server running ntp client. How can I configure the server to generate a packet with Leap indicator 0x01? Install the leapfile informing ntpd of the leap second to be inserted at the end of this month: http://support.ntp.org/bin/view/Support/ConfiguringNTP#Section_6.14. Set the clock to the last day of this month -- verify with date -u which will show the UTC time. The insertion happens at the start of July 1 UTC. Cheers, Dave Hart Hi Hart Thanks for your information. I will follow your method. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
Re: [ntp:questions] How to insert a leap second with ntpq
在 2012年6月20日星期三UTC+8下午9时00分31秒，ZHOU.Jun写道： 在 2012年6月20日星期三UTC+8下午1时42分04秒，Dave Hart写道： On Wed, Jun 20, 2012 at 4:30 AM, ZHOU.Jun wrote: I need to do some tests with ntpd and I want to have NTP packets set Leap indicator in order to insert a leap second to a Linux server running ntp client. How can I configure the server to generate a packet with Leap indicator 0x01? Install the leapfile informing ntpd of the leap second to be inserted at the end of this month: http://support.ntp.org/bin/view/Support/ConfiguringNTP#Section_6.14. Set the clock to the last day of this month -- verify with date -u which will show the UTC time. The insertion happens at the start of July 1 UTC. Cheers, Dave Hart Hi Hart Thanks for your information. I will follow your method. Hello Hart, I found that my ntp version is 3-5.93e which is before 4.2.6 So I should use the method 6.14.2. NTP Versions before 4.2.6 right? If I am right, then from the description, I think I need to copy this leap second file to crypto directory. So could you tell me where is the crypto directory? Thanks in advance. The leap second file must be copied to the crypto directory configured for ntpd, and inside that directory a link must be created which points to that file. The standard name for the link is ntpkey_leap. However, this can be overridden by a configuration parameter. ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
[ntp:questions] How to insert a leap second with ntpq
Hello, I have a question about leap indicator. I need to do some tests with ntpd and I want to have NTP packets set Leap indicator in order to insert a leap second to a Linux server running ntp client. How can I configure the server to generate a packet with Leap indicator 0x01? Thanks in advance. I got the syntax of ntpq is as follows Syntax ntpq [ -i ] [ -n ] [ -p ] [ -c SubCommand ] [ Host ... ] Leap Indicator (LI) Code warning of impending leap-second to be inserted at the end of the last day of the current month. Bits are coded as follows: 00 no warning 01 +1 second (following minute has 61 seconds) 10 -1 second (following minute has 59 seconds) 11 reserved for future use ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
