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Currently I'm using rdiff-backup, but I'm not happy with its performance, and ability to track down the problem.

Is there any other tool that provides differential backups over ssh?

Which is the fastest one?

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up vote 2 down vote accepted

I use dirvish for this. Basically, it's a set of wrapper scripts for rsync, which can do incremental backups over ssh.

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Thanks, docs so far look promising. Will check. – user13185 Oct 6 '10 at 11:25

Not sure if it is the fastest, but I like duplicity - I've been using it with a wrapper script for a while to do differential backups onto amazon s3, but it can use a lot of different storage backends. Handles things like automatically deleting old backup sets which is quite nice.

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Based on their page, it looks like rdiff-backup + encryption. While I don't object to having encryption, I don't need it, and it doesn't sound like a faster solution. – user13185 Oct 6 '10 at 11:25

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