MIME-Version: 1.0 Newsgroups: comp.protocols.time.ntp From: Rob <[email protected]> References: <CAA1zXr=9pwg_zhxu3614bvbrmgenqbtddvqiomt+ggnnlx2...@mail.gmail.com> <[email protected]> <CAA1zXrkMk=D7WL4r16xcNZL0xRzPjv9D=JEEA4HL2V6Tw4mU=w...@mail.gmail.com> <[email protected]> <[email protected]> <[email protected]> User-Agent: slrn/pre1.0.0-18 (Linux) Message-ID: <[email protected]> NNTP-Posting-Host: 2001:888:0:1::888 X-Trace: 1344444852 news.xs4all.nl 6949 [2001:888:0:1::888]:34498 X-Complaints-To: [email protected] X-Received-Bytes: 2713 To: [email protected] Date: 08 Aug 2012 16:54:12 GMT X-SA-Exim-Connect-IP: 2001:4f8:fff7:1::4 X-SA-Exim-Rcpt-To: [email protected] X-SA-Exim-Mail-From: [email protected] X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on mail1.ntp.org X-Spam-Level: *** X-Spam-Status: No, score=3.3 required=5.0 tests=BAYES_00,MISSING_DATE, MISSING_FROM, MISSING_HEADERS, MISSING_MID, MISSING_SUBJECT, RP_MATCHES_RCVD autolearn=no version=3.3.2 X-SA-Exim-Version: 4.2 X-SA-Exim-Scanned: Yes (on mail1.ntp.org) Subject: Re: [ntp:questions] Does NTP cause an abrupt/sudden change in an orphan's system time? X-BeenThere: [email protected] X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Mailing list for people with questions about NTP \(gatewayed to the USENET newsgroup comp.protocols.time.ntp\)" <questions.lists.ntp.org> List-Unsubscribe: <http://lists.ntp.org/options/questions>, <mailto:[email protected]?subject=unsubscribe> List-Archive: <http://lists.ntp.org/pipermail/questions> List-Post: <mailto:[email protected]> List-Help: <mailto:[email protected]?subject=help> List-Subscribe: <http://lists.ntp.org/listinfo/questions>, <mailto:[email protected]?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: [email protected] Sender: [email protected] X-pstn-neptune: 0/0/0.00/0 X-pstn-levels: (S:99.90000/99.90000 CV:99.9000 FC:95.5390 LC:95.5390 R:95.9108 P:95.9108 M:97.0282 C:98.6951 ) X-pstn-dkim: 0 skipped:not-enabled X-pstn-settings: 4 (1.5000:1.5000) s cv gt3 gt2 gt1 r p m c X-pstn-addresses: from <[email protected]> [294/10]
unruh <[email protected]> wrote: > On 2012-08-08, Rob <[email protected]> wrote: >> Harlan Stenn <[email protected]> wrote: >>> If this situation is "difficult" for you I'd recommend you get an >>> inexpensive GPS receiver and use that to sync your master machine(s). >>> >>> Check out the Sure Electronics GPS board, which can be easily modified >>> to provide a PPS signal. There are other inexpensive GPS units as well. >> >> Yet another time the completely irrelevant topic of the hobbyist GPS >> receiver is brought into the thread... >> >> The OP was asking about abrupt/sudden changes in a system's time. >> This is unrelated to the availability of GPS. >> When he connects the GPS receiver he will have to watch the same issue >> as when connecting to another reference. > > It was related to his statement that his server was not connected to the > net and thus its time was out, and then it connected to the net. The > statement about GPS was make to fix the problem that when it was not > connected to the net, it had a bad time. GPS "always" operates. Of > course his machine could be in a bunker 1000 meter underground with no > connection to the surface, in this case the GPS option would be no good > either. But in may circumstance it IS an answer to the problem the OP > had. Of course not. The OP wants to make sure his clock does not step when he starts ntpd. When not configured correctly, the clock will step when ntpd is started. It is too late to connect a GPS receiver now, he first needs to sort out how to get the clock adjusted without stepping. _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
