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rsnapshot
Authored by: lar3ry on Jan 18, '06 11:51:32AM

Actually, rsync DOES do incremental backups. The "--backup" and "--backup-dir" options will dump the old version of any file found in the destination before overwriting it. I use this myself and put the incrementals into directory trees that have the year/month/day prefixed to the actual subdirectory name. rsync is pretty versatile like that...!

I once got burned by another "improvement" on rsync (called rdiff-backup), which did incrementals and compression, but the repository somehow got corrupted, keeping me from getting any of my old data. I stopped using that utility quickly thereafter. (It may be better now, but once bitten, twice shy.)

Using the --backup* options, a file corruption will only corrupt a single file. Disk corruption can still cause problems as well, but it won't corrupt the entire repository (hopefully).

Of course, you DO backup your backups, don't you?



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