rsync backup

Karl Larsen k5di at zianet.com
Tue Aug 7 11:29:17 UTC 2007


Luciano Rocha wrote:
> On Tue, Aug 07, 2007 at 05:13:11AM -0600, Karl Larsen wrote:
>> I am interested in why you keep the last 15 incremental 
>>  backups in files away from the main backup.
> 
> Why or how? If "why", because I may only notice that I deleted an
> important file or e-mail after a few days. With the backup, I can still
> access them.

	Got it! And very smart! Why not have a protection from accidental 
deletion. After all a unix delete is a real delete!


> 
> If "how", I iterate over the contents of the directory and keep
> variables with the number of entries in the directory and the argument
> to rsync with the link-dest option:
>   for d in `ls $host/`; do
>     if [ $count -gt 15 ]; then
>       ## remove if more than 15
>       rm -fr $host/$d
>     elif [ $count -le 2 ]; then
>       ## add to link-dest if lower/eq than 2
>       link="--link-dest=$PWD/$host/$d $link"
>     fi
>     ((count--))
>   done
> 
> 


-- 

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.




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