similar to: clock, centos 4 and dual core?

Hi, I followed the discussions regarding the "time moved backward" problem and the use of ntp in such cases. At our department we are running two dovecot servers within an vmware server environment, and unfortunately the timedrift (with ntpd active) exceeds sometimes up to 30 minutes virtual drift within 10 minutes realtime (mostly into future). This is due to some overcorrections

Hey all, I was watching some logs on a domU today and i suddenly noticed that the timestamps were off by something on the order of 47 seconds. I was surprised because *I don''t* run independent wall clocks. I checked some other domUs and the "drift" was also very close to that of the first domU. I also checked another dom0, Here the domUs were "only" out of sync by

I'm running a CentOS 4.4 VM on a Windows XP host with VMware Server, and have the problem that my clock runs too slow (it happens in VMware Workstation as well). It loses between 30 and 45 seconds every minute! This is a known problem and can be fixed by adding "nosmp noapic nolapic" to the boot command according to VMware tech note ID 1420. However, despite adding these

I installed CentOS 4.4 32 bit on a dual core AMD64 motherboad. Its a Tyan Tomcat K8E motherboard with socket 939. The clock keeps drifting off like 5+ minutes an hour. Run ntpupdate hourly to compensate. Any ideas why or how to fix? Matt

Hi friends, I am running Nagios 2.7-1 on Centos 5.0 32-bit hosted on Vmware ESX 4.0. The issue I am seeing on the server is sometimes nagios is showing the below messages in /var/log/messages and as the system time gets changed some false alarms gets generated. I searched it on the google but I am not able to find the correct solution. I even posted on the nagios forum and they asked me to see

Hi, I'm about to setup a CentOS4 server to install VmWare Server on it. Then I'll run 2 main guest OS, Microsoft SBS 2003, and a CentOS development LAMP server. Except from the clock settings, is there any problems/comments? Regards, Ugo

I am running a server inside of VMWare, and the clock gains ~30 seconds every 1000 seconds or 1.03X. I need to keep the drift under the magic 1000 limit that ntpd kills its self, but despite setting maxpoll really low I get: Dec 11 23:58:14 host ntpd[4909]: kernel time discipline status change 41 Dec 11 23:59:17 host ntpd[4909]: kernel time discipline status change 1 Dec 11 23:59:17 host

Just in case anyone else gets bitten, I noticed that a bunch of my dual core opteron machines were losing time sync pretty fast (gaining a few days every few days...heh). I searched back on the list and found some messages about passing a clock parameter in grub.conf. The following worked for me: clock=pmtmr These are systems using the Supermicro H8SLL-i boards and Opteron 175-185 cpus

Is there a package to do this? Normally the hardware clock is set during shutdown if one is running ntpd. But if a long-running server shuts down unexpectedly, this isn't done, and the hardware clock might be off by a lot when it comes back up. So setting it periodically from a cron job could be useful. What do others do? Adding a one liner to /etc/cron.daily that invokes

Hi, I would like to sync my CentOS 6.3 hardware clock time to my NTP server's time. Can I do that without reboot the hosts? If yes, it would be great if anyone of you can provide me steps to do that. I am newbie in CentOS. Thanks, Anand Singh

The following error on a SMP x86_64 Centos 4.3 kernel 2.6.9-34 ELsmp appears at boot. and causes things to compute faster. Example, a wait(5) should wait for 5 seconds....it waits for 3 or 2. This was an open bug for that kernel. Has it been patched in the more recent kernel for Centos 2.6.9-34.0.1 ? dmseg output: Freeing unused kernel memory: 164k freed Losing some ticks... checking if CPU

i see this message in the dmesg , any one know this problem and the soliontion ??? Losing some ticks... checking if CPU frequency changed. thaks Jos? P?rez

Hello ! Just a quick question about time synchronization between xen dom0 and domUs... We''re running Xen 3.1 64-bit, with 32 and 64 bits linux guests. It''s up since 89 days and the domU''s time is around 5 minutes behind the dom0, which is updated via ntpdate... Any idea why it doesn''t sync the guests even that /proc/sys/xen/independent_wallclock is 0 ?

https://bugzilla.samba.org/show_bug.cgi?id=4168 Summary: Random file has vanished when syncing clock with ntpdate/hwclock ? Product: rsync Version: 2.6.4 Platform: x86 OS/Version: Linux Status: NEW Severity: major Priority: P3 Component: core AssignedTo: wayned@samba.org

Hi, I had the following problem today. Because of a misconfigured network switch one system suddenly didn't have any network. After a reboot (with the network still unavailable) NTPD refused to start. Most likely because the initial ntpdate failed to work. I find this troubling, because when the network was restored, NTPD could have resumed working (like I'd expect from a true

I am running CntOS 5 with Gnome. Every now and then I have noticed that the computer will somehow get the time wrong by several hours. Is there a simple way to adjust the time? So far the only way I have found is to boot into windows (it is a dual boot system), make the change there, and then get back into CentOS. Older versions of Red Hat and Fedora let you do it by right-clicking on

I'm running VMware Server 1.0.6 on a CentOS 5.2 host and am having some clock difficulties. Host OS is x86_64 running on 1.9 GHz AMD Sempron, nVidia chipset. Guest OS's are 32-bit FreeBSD (clock works fine after disabling ACPI, setting the clock source to the PIT, and running the guest tools), WinXP (unknown clock status), and i686 CentOS 5.2 (here is the problem). I've tried pretty

Hi, ok this time i have really done every thing i can do. i went to http://www.bytefusion.com/download/win2000/middle.htm and downloaded the presentTense time server for windows 2000. i installed it on my backup domain controller. my sys admin wont allow it on the primary domain controller. ok so after installing it on niit91 (10.10.11.91) i came back to my linux box started the ntpd and

This must be documented somewhare but I checked the Xen 3.0 manual and the word "clock" doesn''t even exist in it. I checked the FAQ as well. I am running Xen 3.0.1 and an AMD64 CPU. I found that DOMUs time clock drifts ahead. I installed ntpdate and it reports to change the time but it does not. David _______________________________________________ Xen-users mailing list

Hi, I've noticed that one of my new servers (new mobo) if drifting slowly backwards in time (in aprox. 24 hours, system time drifts back 5 minutes). I have an ntpd process which is supposed to sync with a lan time server but it's not quite working. So I'm launching a manual ntpdate or ntp-client once an hour and that seems to work. However, suppose I update system time at every hour