Rodney Baker wrote:

> rsync --logfile=/var/log/home_backup -Ca /home/<username> /backup/<username>.
> 
> This just compares each file in /home/<usersname> with its corresponding file 
> in /backup/<username> and copies any that are new or have changed, resetting 
> the archive bit for each file. 

Not to nitpick, but actually, rsync is smarter than that - it only
copies the diff between the parts that have changed.

If your data to be backed up consists of 2 10GB files, and you make a
slight change (say 5 few kbytes) to each, rsync wouldn't copy 20 GB, but
rather just the changed 10 kb, plus a bit of overhead.

Joe
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