Log Rotation

Andreas Ericsson ae at op5.se
Mon Mar 29 01:00:35 CEST 2004


Russell Scibetti wrote:
> For some reason, starting 10 days ago, the logs that are written to the
> archives directory are practically empty.  The just contain the normal first
> "LOG ROTATION: DAILY" line, and then nothing else.
> 

Nagios only logs state __changes__, so if the network state has been 
stable during the day, the log will be empty.

> Some additional information:
> - For every log this has happened to (the last 10), the file system time
> stamp and the timestamp in the log are at midnight, 00:00
> - For the logs before this problem started, the timestamp in the log is
> 00:00, but the filesystem timestamps are either 23:49, 23:46, or
> 23:56-23:58.
> 
If you have several NTP servers and the nagios server frequently changes 
server (and updates the time), this sort of thing could theoretically 
happen. In that case you've got some time sync problem on the network if 
it differs more than a second or two.

> NTP is running on the machine, but the only problem I know that NTP caused
> was multiple archive logs.
> 
> Anyone have any ideas why this is happening?  Thanks in advance.
> 
> Russell
> 
> 
-- 
Mvh
Andreas Ericsson
OP5 AB
+46 (0)733 709032
andreas.ericsson at op5.se


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