Re: [CentOS] clock sync/drift

2013-01-23 Thread m . roth
Craig White wrote: > On Jan 22, 2013, at 8:16 PM, Matt Garman wrote: >> >> We have a little over 100 servers, almost all running CentOS 5.7. >> Virtually all are Dell servers, generally a mix of 1950s, R610s, and >> R410s. Hmmm... May I *STRONGLY* urge you to replace the 1950's ASAP. We've surplus

Re: [CentOS] clock sync/drift

2013-01-23 Thread Craig White
On Jan 22, 2013, at 8:16 PM, Matt Garman wrote: > Hi, > > We have a little over 100 servers, almost all running CentOS 5.7. > Virtually all are Dell servers, generally a mix of 1950s, R610s, and > R410s. > > We use NTP and/or PTP to sync their clocks. One phenomenon we've > noticed is that (1)

Re: [CentOS] clock sync/drift

2013-01-23 Thread John Doe
From: Matt Garman > I suspect something is mis-configured, because I can't imagine the > hardware clock on ALL these servers is *that* bad. Tried SYNC_HWCLOCK=yes in /etc/sysconfig/ntpd? JD ___ CentOS mailing list CentOS@centos.org http://lists.centos

Re: [CentOS] clock sync/drift

2013-01-23 Thread Leon Fauster
Am 23.01.2013 um 06:21 schrieb Ron Loftin : > > On Tue, 2013-01-22 at 21:16 -0600, Matt Garman wrote: >> Hi, >> >> We have a little over 100 servers, almost all running CentOS 5.7. >> Virtually all are Dell servers, generally a mix of 1950s, R610s, and >> R410s. >> >> We use NTP and/or PTP to sy

Re: [CentOS] clock sync/drift

2013-01-22 Thread Ron Loftin
On Tue, 2013-01-22 at 21:16 -0600, Matt Garman wrote: > Hi, > > We have a little over 100 servers, almost all running CentOS 5.7. > Virtually all are Dell servers, generally a mix of 1950s, R610s, and > R410s. > > We use NTP and/or PTP to sync their clocks. One phenomenon we've > noticed is tha

[CentOS] clock sync/drift

2013-01-22 Thread Matt Garman
Hi, We have a little over 100 servers, almost all running CentOS 5.7. Virtually all are Dell servers, generally a mix of 1950s, R610s, and R410s. We use NTP and/or PTP to sync their clocks. One phenomenon we've noticed is that (1) on reboot, the clocks are all greatly out of sync, and (2) if the