[RAS] further nebka questions

[Ivan Kurmanov]

speaking of du -cs ...: of course, it traverses the filesystem --  
that's heavy. We tried to use it to analyze where the diskspace was  
going.

They shouldn't have cause the system fault by itself, but who knows?  
may be it have consumed all the memory while going through the  
filesystem.  (But why would it result in ext3 errors -- i can't  
imagine.)

-ivan


On 30 Jan 2008, at 17:24, Christian Zimmermann wrote:

> in the root crontab, about the follozing entries (currently  
> commented out
> by me):
>
> #CZ30 0 * * *  /root/check.tables
> #CZ22 23 * * * du -cs /* > du_slash_`date -I`
> #CZ23 22 * * * du -cs /home/aras/backup/* >  
> du_home_aras_backup_`date -I`
> #CZ27 22 * * * du -cs /home/aras/acis/* > du_home_aras_acis_`date -I`
> #CZ33 22 * * * du -cs /home/* > du_slash_home_`date -I`
> #CZ36 01 * * * du -cs /var/lib/mysql/* > du_var_lib_mysql_`date -I`
> #CZ39 01 * * * du -cs /var/* > du_slash_var_`date -I`
>
> Are they any good? The machine crashed twice after du -cs /* >
> du_slash_`date -I`, as far I can see, and I just tried du -cs /home/ 
> * >
> du_slash_home_`date -I` which took several minutes with full load,  
> and the
> machine was not responsive for a while after that. This worries me.
>
> Christian Zimmermann                                     FIGUGEGL!
> Department of Economics
> University of Connecticut
> 341 Mansfield Road, Unit 1063
> Storrs, CT 06269-1063
> http://ideas.repec.org/zimm/   christian.zimmermann at uconn.edu
> http://ideas.repec.org/e/pzi1.html
>
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-ivan