[linux-lvm] difference in space used

[Greg Hanson]

Ross Vandegrift wrote:
> On Fri, May 18, 2007 at 03:04:35PM -0700, Greg Hanson wrote:
>   
>> [root at newbox1 ~]# du /log/
>> 16      /log/lost+found
>> 23696   /log/httpd
>> 23716   /log/
>>
>> Any ideas as to what could be going on?
>>     
>
> An unlinked file isn't actually deleted until all file handles to it
> are closed.  Since this is your log partition, you probably have
> broken log rotation script.  I bet its moving the files to a new name,
> but the logging process isn't closing and reopening the logfile.
>
> These files that are unlinked but still have open handles to them
> continue to consume their usual amount of disk space.  FWIW, I have
> seen this issue particularly noticably with MySQL when the query log
> is enabled, but that's a wild guess...
>
>   
Thanks for the input Ross.  You are exactly on target.  I found another
post on another forum with regards to this,

http://lists.debian.org/debian-isp/2002/05/msg00046.html

and started examining the log rotate scripts. There was an error in the
path in the HUP line to restart apache, and there were many deleted log
files laying around.

this command

lsof | grep deleted

confirmed that there were several occurrences of error and access logs hanging in there.  
Did an apachectl stop and start and things went back to normal.

Thank you so much for the response!


Greg

-- 
Greg Hanson
Interchange Consulting
Perusion
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Coeur d'Alene, ID 83815

Email		greg at perusion.com
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