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Logrotate truncated my log files to 0 bytes and no logs are written


 
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Operating Systems Linux Debian Logrotate truncated my log files to 0 bytes and no logs are written
# 1  
Old 03-16-2012
Question Logrotate truncated my log files to 0 bytes and no logs are written

Hi,

Yesterday I installed and configured logrotate on my Debian machine. I was expecting this to run at 06:25 in the morning and it actually did. All my old logs were compressed and zipped but the new logs were all with size equal to 0 bytes. Processes, while still running ok, they were not writing any log since the time of the logrotate process finished.

My logrotate configuration was:

Code:
compress

/home/foo/production/source/log/*.log {
  rotate 7 
  daily
  dateext
  extension log
}

Any clue why this might have happened?
# 2  
Old 03-16-2012
Probably the process writing to the logs has them still open, and continues to write to a file descriptior that isn't associated with a file anymore. Tell the process to reload/restart if possible, so that it re-opens the FDs. logrotate can do that with the
Code:
postrotate
...
endscript

parts in the configuration.
# 3  
Old 03-16-2012
Bug

Quote:
Originally Posted by pludi
Probably the process writing to the logs has them still open, and continues to write to a file descriptior that isn't associated with a file anymore. Tell the process to reload/restart if possible, so that it re-opens the FDs. logrotate can do that with the
Code:
postrotate
...
endscript

parts in the configuration.
I think the problem is solved after adding

Code:
copytruncate

in the configuration.

I have put that, I did a logrotate force to see the logrotate running now and it worked.
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