Frequency Error 510 Ppm Exceeds Tolerance 500 Ppm
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Frequency Error Ppm Exceeds Tolerance 500 Ppm Linux
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Re: time reset, syncronisation lost and Large PPM values Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] tinker panic 0 tor wrote: > Something bothers ntpd so it looses sync about ntp drift file every half hour. > The messages from two versions of ntpd are given below. This is your
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problem: > Oct 19 17:19:09 srv3 ntpd[19356]: frequency initialized 500.000 from > /var/lib/ntp/drift > Oct 20 15:37:13 srv3 ntpd[20655]: frequency initialized 500.000 PPM from > /var/lib/ntp/drift > Oct 20 https://access.redhat.com/solutions/35640 15:54:28 srv3 ntpd[20655]: frequency error 502 PPM exceeds tolerance > 500 PPM > Oct 20 16:09:31 srv3 ntpd[20655]: frequency error 502 PPM exceeds tolerance > 500 PPM > Oct 20 16:13:47 srv3 ntpd[20655]: frequency error 502 PPM exceeds tolerance > 500 PPM > Oct 20 16:14:51 srv3 ntpd[20655]: frequency error 502 PPM exceeds tolerance > 500 PPM > http://lists.ntp.org/pipermail/questions/2005-October/007418.html Oct 20 16:15:57 srv3 ntpd[20655]: frequency error 502 PPM exceeds tolerance > 500 PPM > Oct 20 16:17:01 srv3 ntpd[20655]: frequency error 502 PPM exceeds tolerance > 500 PPM > Oct 20 16:18:06 srv3 ntpd[20655]: frequency error 502 PPM exceeds tolerance > 500 PPM You have acquired and institutionalized an absurd frequency correction (drift rate). This may have happened because the time was not set before starting ntpd, because the server stepped after ntpd was started, because you are running ntpd with the "-x" option, because ntpd was shut down or the system rebooted while ntpd was in the middle of slew correction, or a combination of these. You need to check your configuration and re-initialize things. 1) Make sure you are NOT using "-x" in the ntpd command line 2) In /etc/step-tickers, enter a list of reliable NTP servers that are likely to be up at the time your system boots 3) Make sure that all of the servers in /etc/ntp.conf are good and reporting similar times 4) # serv
Tutorials/Articles Search HCL Search Reviews Search ISOs Go to Page... LinuxQuestions.org > Forums > Linux Forums > Linux - Software ntpd frequency error User Name Remember Me? Password Linux - http://www.linuxquestions.org/questions/linux-software-2/ntpd-frequency-error-694240/ Software This forum is for Software issues. Having a problem installing a new http://qiita.com/dandelion16/items/f77306776d66743e4c3f program? Want to know which application is best for the job? Post your question in this forum. Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe frequency error to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today! Note that registered members see fewer ads, and ContentLink is completely disabled once you log in. Are you new to LinuxQuestions.org? Visit the following links: Site Howto | Site FAQ | Sitemap | Register Now If you have any problems with the registration process or your account login, please contact ppm exceeds tolerance us. If you need to reset your password, click here. Having a problem logging in? Please visit this page to clear all LQ-related cookies. Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter. For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own. Click Here to receive this Complete Guide absolutely free. Search this Thread 01-01-2009, 07:52 AM #1 UltraSoul Member Registered: Dec 2004 Location: Japan Distribution: REDHAT9.0, Mandrake10.1 Posts: 404 Rep: ntpd frequency error Hi, I have RHEL AS4 Update4 installed on VMESX3.02. I got the following error from ntpd daemon repeatedly. Jan 1 22:01:12 RHEL4-001 ntpd[3066]: frequency error -504 PPM exceeds tolerance
攻撃的または迷惑な内容を含んでいます 不適切な内容を含んでいます 送信1ストック0コメントストックストック済み解除昔別ブログで書いた記事ですが、Qiitaでも転載します。 VMでNTPDが正しく同期してくれない 以前、OVA形式として出力したVMwareのVMを、新たなホスト上に展開した時、 NTPDの時刻同期が正しく実行されないことがありました。 "正しく実行されない"という曖昧な言い方をしたのは、 ntpq -pコマンドで同期状態を確認すると、 正しく同期できているように見えるのですが、時刻がとんでもなくずれている状態だったためです。 ※以下イメージです。 remote refid st t when poll reach delay offset jitter ============================================================================== * XXX.XXX.XXX.XXX XXX.XXX.XXX.XXX 3 u 408 512 377 2.056 123456.789 101.351 他の何かの時刻同期サービスと競合しているのか?と疑いましたが、 vmware toolsの時刻同期くらいしかそもそも競合ソフトがなく、そちらはOFFになっていました。 frequency error 5xx PPM exceeds tolerance 500 PPM 情報を求めてsyslogを眺めていると、下記のようなntpdプロセスのログが大量に出ていました。 frequency error 512 PPM exceeds tolerance 500 PPM PPMとは"Parts-per-Million"の略で、時刻の進み方の誤差を表しています。 ntpdは「自身のサーバの腹時計がどれくらいずれやすいか」を正しい時計と見比べて認識しており、 この情報を/var/lib/ntpd/driftというファイルに定期的に出力しています。 この機