Re: [CentOS] clock sync/drift

2013-01-23 Thread Leon Fauster
Am 23.01.2013 um 06:21 schrieb Ron Loftin relof...@twcny.rr.com: 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

Re: [CentOS] clock sync/drift

2013-01-23 Thread John Doe
From: Matt Garman matthew.gar...@gmail.com 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

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) on

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 surplussed all

[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

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 that (1)