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Old 08-11-2009, 03:04 PM   #1
Registered: Sep 2003
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backup question


this is rather a philosophical question, I guess: I was sitting around with a few friends of mine, and it turns out we all use a Linux machine as a file server.

Now, so much for the similarities. We discovered that each of us uses a different method to backup the file server. I simply have a script which creates a tar.gzip of the files and SCPs it to a backup machine. One of my friends uses a script which uses FTP to put the files on a backup machine, a third guy simply uses dd. And so on.

Now, we started arguing about the very best method to backup a file server. I do admit that mine is a bit amateurish, as I need to reinstall my machine after a crash before I can restore the data and go on working :-) So we argued all night about the very best way to do this - and came to no real result. Anyone here who has some experience on how this should be done best?
Old 08-11-2009, 11:19 PM   #2
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You need not tar the files every day and scp to a different server. It is better to use rsync the files to the remote location. rsync will first create the list of files and transfer to the remote location. Next day before transferring the files, it will check for the list of files in the folder. If there are no changes in any of the files, rsync will not take the burden to copy those files. It will copy only the new and updated files making the entire process simple and faster.
Old 08-12-2009, 07:12 AM   #3
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Arguments over what is best will always go all night.

If you are interested in digging into alternatives and possibilities, and learning a bunch about backups along the way, get the book Backup and Recovery by W. Curtis Preston. It has a companion web site

The book covers all the basic tools like tar, dump, dd, rsync, etc., as well as more advanced network backup software such as Amanda and Bacula.
Old 08-12-2009, 02:02 PM   #4
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Thanks for the answers - I will take a look at man rsync, and this book definitely sounds intriguing!! :-)
Old 08-12-2009, 02:06 PM   #5
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Originally Posted by werfer View Post
Thanks for the answers - I will take a look at man rsync, and this book definitely sounds intriguing!! :-)
have a look at rsnapshot too....a lovely little tool


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