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Date:      Wed, 31 Dec 2003 14:05:39 -0500
From:      Dany <dany_list@natzo.com>
To:        Francisco Reyes <lists@natserv.com>
Cc:        FreeBSD Questions List <questions@freebsd.org>
Subject:   Re: Backing up programs
Message-ID:  <3FF31E03.3030805@natzo.com>
In-Reply-To: <20031231133300.Q48900@zoraida.natserv.net>
References:  <20031231124856.C48743@zoraida.natserv.net> <3FF31447.2050400@natzo.com> <20031231133300.Q48900@zoraida.natserv.net>

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Francisco Reyes wrote:

>On Wed, 31 Dec 2003, Dany wrote:
>
>  
>
>>On my file server I have 2 drives.
>>    
>>
>
>I also have two drives on each of my machines. One for backup.
>I also keep several days worth of backups in case I corrupt a file.
>Overall I think I have the data part of the backup covered properly,
>although I plan to backup some directories every few hours instead of
>daily.
>
>  
>
>>- Unison :  2-way synchronization using rsync/ssh, multi platform
>>graphical interface.
>>    
>>
>
>I use unison to backup data from a remote machine to my local machine,
>
>  
>
>>- rsync :  typical rsync that will mirror the source to the destination
>>    
>>
>
>Why use both unison and rsync? Unison can do the same as rsync.
>  
>
Because it's one-way, so no worries about conflicts. I know I'm not 
supposed to change the destination files but I like to use a one-way 
backup solution.

>  
>
>>- rsync-backup : it's based on rsync but you get the advantage of
>>incremental backups so you can restore from a specific date. You can
>>also purge the backup by removing old stuff.
>>    
>>
>
>Will look it up.
>  
>
I made two mistakes in my description.

First the tool is call  rdiff-backup (and not rsync-backup which also 
exists) :  http://rdiff-backup.stanford.edu/index.html
Secondly, for the OS, I also use rdiff-backup and not rsync so I have a 
fast, space efficient, incremental backup of the OS too !

PS:  On the same web page you will also find a link to another tool call 
duplicity (http://rdiff-backup.stanford.edu/duplicity.html).  You can do 
remote backup but in that case the image can be stored on a remote FTP 
server and encrypted with GPG... sweet if you're planning to use the 
disk space of your ISP for backups!

Cheers
Dany

>  
>
>>A couple of cron jobs take care of the different backups at night.
>>    
>>
>
>Same thing here, except that I plan to do some dierctories more often (ie
>emails).
>
>  
>
>>I don't know if that answers to your question but I thought that could
>>give you some ideas.
>>    
>>
>
>Didn't really answer what I asked, but all suggestions/feedback/comments
>on how other people are doing things are always welcome. It helps to see
>other possible solutions to what one is doing. I am a firm believer in
>learning from the experience of others if they are willing to dedicate the
>time to share their experience with me. :-)
>  
>



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