Le Wednesday 24 January 2007 23:16, Matthew Martz a écrit :
> On Wed, January 24, 2007 2:44 am, Kelphon wrote:
> > Dear David,
> >
> > Does your cron script for centos mirror work now?
> >
> > Could you please send your cron script with lockfile to us ;)
> >
> > Thanks a lot!
>
> Simple mirror script:
> # no need to edit anything below here
> if [ -f $LOCKFILE ]
> then
> echo Lock file exists...Exiting...
> exit 0
This part is not safe. If computer get down, or script killed, the lock will
stay.
To avoid such issue I used in past:
===========
if [ -f ${lock} ]; then
[ -d /proc/`cat ${lock}` ] && exit 0
fi
clean () {
rm -fr ${lock}
}
trap clean 0
echo -n $$ > ${lock}
===========
Now I used more sophisticated tools like mmm (http://mmm.zarb.org/) to
massivelly run rsync job.
The code above is of course under GPL or any other license which allow you
reuse it and/or improve it ;)
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