On Wed, 9 Aug 2006, Adrian Bridgett wrote:

Hi,

Sorry about very late reply. Unfortunatelly I had no time for my Debian
work until recently :(.

> > Sar assumes that statistics for different days are in different data
> > files and by default it rotate the current data file at midnight. How
> > did you managed to get two-month statistics in a one file?
> 
> Yep, that's a very good question and I wish I knew the answer!   I
> can't read the code well enough to understand what's going on.  I

I think I know where the problem might be.

Is the sa2 script ever run on your system?
Its task is to remove statistics that are older then 7 days and in
default Debian installation it's run by cron from the /etc/cron.daily/sysstat.
If you had changed the configuration and sa2 hardly ever runs it is possible
for sar to append its data to file containing previous month statistics.



Best Regards,
robert

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