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Postfix file system clock / local clock
https://forum.linode.com/viewtopic.php?f=11&t=1675
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Author:  raman [ Sat May 14, 2005 4:01 pm ]
Post subject:  Postfix file system clock / local clock

This error showed up in my postfix logs:

May 13 18:07:00 li5-33 postfix/cleanup[14803]: warning: file system clock is 1 seconds ahead of local clock
May 13 18:07:00 li5-33 postfix/cleanup[14803]: warning: resetting file time stamps - this hurts performance

Googling for it revealed nothing useful except some postfix source code, but the source is greek to me.

Anyone have any ideas? I'm on host22.

Cheers,
Raman

Author:  ywliu [ Wed May 25, 2005 12:26 am ]
Post subject: 

I think I would try to use ntpdate to sync system first and rerun Postfix to see if this would help.

Author:  lurkus [ Wed May 25, 2005 11:52 am ]
Post subject: 

I wouldn't recommend running ntp on your linode... your host's clock is already running ntp, so your time should always be correct. Here's a forum post regarding ntp.

I found this message on the postfix mailing list:
http://archives.neohapsis.com/archives/postfix/2003-04/1259.html

So, if you're running ntp on your linode, this could be the cause of your postfix problem.

Author:  raman [ Sat May 28, 2005 12:18 pm ]
Post subject: 

lurkus wrote:
I wouldn't recommend running ntp on your linode... your host's clock is already running ntp, so your time should always be correct. Here's a forum post regarding ntp.


Interesting post on the postfix mailing list. Very similar situation, except that I am not running ntp on my linode.

Code:
[root@li5-33 log]# ps -ef | grep ntp | grep -v grep
[root@li5-33 log]#


Any other ideas? I got the same error messages on May 24th:

May 24 21:16:31 li5-33 postfix/cleanup[17025]: warning: file system clock is 1 seconds ahead of local clock
May 24 21:16:31 li5-33 postfix/cleanup[17025]: warning: resetting file time stamps - this hurts performance

This happens very rarely it seems -- only twice in my grep of the logs over the last month -- once on May 13th and then again on the 24th.

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