You may also want to look into using simple old tar, which can perform incremental backups, see: http://www.gnu.org/software/tar/manual/html_node/Incremental-Dumps.html
Paul Tansom wrote: > ** Rob Beard <[EMAIL PROTECTED]> [2007-11-23 21:04]: > >> I'm hoping someone could help me with something I'm trying to achieve >> with regards to backing up a friend's server to an external hard drive. >> >> Basically what he wants is to be able to run a nightly backup from his >> server to a USB FAT32 formatted external hard drive. >> >> However, what he wants is only any files that have changed to be copied >> over, and these files to be copied over into a new directory on the drive. >> >> I've been looking into rsync to do this. I've managed to do an initial >> copy of his files from his server to the drive and then I've tried to >> add some files to the server and then run rsync using the --backup-dir >> switch which I've been pointing to the existing data on the USB drive. >> >> I can't seem to get it to copy only the differences though. >> >> I was wondering if anyone knew how to achieve this, or is it not >> possible with a FAT32 formatted drive (which doesn't support hard links >> as far as I know)? >> >> To be honest I think it would be much easier to just copy the full >> directory every night. >> > ** end quote [Rob Beard] > > I thought that was exactly what rsync did, just copy the changed files. > When I use it I get a report on the 'speedup' as a result of only > copying the changed file once it has finished. This is from an rsync to > upload web content to my web server over ssh using: > > rsync -av /path/to/local/dir remote.server.com:/path/to/remote/dir > > If it is for backup and you want to keep a record of changed files, i.e. > keep copies of the files as they were before the change as a historical > backup as well you may like to take a look at rdiff-backup: > > http://www.nongnu.org/rdiff-backup/ > > -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.kubuntu.org/UKTeam/