cron/logrotate chicken and egg problem Post: 302235337

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Top Forums UNIX for Advanced & Expert Users cron/logrotate chicken and egg problem Post 302235337 by jjinno on Thursday 11th of September 2008 08:29:54 PM

09-11-2008

Registered User

The "append timestamp to file" test used /tmp... which is on /dev/sda2.

If you look at the output from "ll /var/log/cron*" you will see that messages continued to be sent to /var/log/cron from after August 10. The last line of the cron.1 file confirms that August 10 was when the last logrotate happened. Given that cron logs should be relatively consistent, one would expect the next cron log rotation to occur on August 17... but it did not. Also, because of the size (~14k) of the cron log, there is a guarantee that the logrotate did not fail (on the 17th) due to the filesystem being full... instead logrotate just never ran.

According to /var/log/logrotate.log, the last time that logrotate ran was:
1218492062 which translates to : August 11th, 2008 10:01:02 PM

As for the logs being generated, yeah, they are big, but its normal for my app with debug on max...

jjinno

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LEARN ABOUT SUNOS

strclean

strclean(1M)						  System Administration Commands					      strclean(1M)

NAME

       strclean - STREAMS error logger cleanup program

SYNOPSIS

       strclean [-a age] [-d logdir]

DESCRIPTION

       strclean  is used to clean up the STREAMS error logger directory on a regular basis (for example, by using cron. By default, all files with
       names matching error.* in  /var/adm/streams that have not been modified in the last three days are removed.

OPTIONS

       The following options are supported:

       -aage	       The maximum age in days for a log file can be changed using the -a option.

       -dlogdir        A directory other than /var/adm/streams can be specified using the -d option.

EXAMPLES

       Example 1: A sample of using the strclean command.

       This example has the same result as running  strclean with no arguments:

       example%  strclean -d /var/adm/streams -a 3

FILES

       /var/adm/streams/error.*

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cron(1M), strerr(1M), attributes(5)

       STREAMS Programming Guide

NOTES

       strclean is typically run from cron on a daily or weekly basis.

SunOS 5.10							    14 Sep 1992 						      strclean(1M)