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On 12/03/2013 03:24 PM, Richard Pieri wrote: > Mike Small wrote: >> Does btrfs fit in here somewhere? I was using DragonFlyBSD for awhile, > > Not as such, no. File system and logical volume snapshots are not > backups. They're snapshots. > > >> Also, apparently rsync itself has a --link-dest feature which maybe >> can be used to accomplish at least some of what rsnapshot does for you, >> you know, for the minimalists? > > rsnapshot rotates replicas so that the <foo>.0 directory is always the > most recent replica at that time level (yearly, monthly, weekly, > daily, hourly). rsync can't do that without a wrapper -- which is what > rsnapshot really is. > rsnapshot can run on BSD. It uses the rsync --link-dest feature. You generally have an hourly.0 directory. When rsnapshot runs it renames hourly.n to hourly.n+1 and removes the oldest based on your config. It then creates hourly.0, and uses hourly.1 as the target of --link-dest. The daily, weekly, monthly and yearly directories are normally created by renaming the oldest of the hourly, daily, weekly, monthly. rsnapshot is a perl script. While rsnapshot creates snapshorts, it is really a backup system because it creates multiple directories. -- Jerry Feldman <gaf at blu.org> Boston Linux and Unix PGP key id:3BC1EB90 PGP Key fingerprint: 49E2 C52A FC5A A31F 8D66 C0AF 7CEA 30FC 3BC1 EB90
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