Problems with filesystem differences
What does rsnapshot provide on top of that?
Rsnapshot is a wrapper around rsync. It's main feature is that it creates incremental snapshots (instead of just a single full copy, like rsync).
So, instead of having just one backup copy (as with rsync), you can have a backup copy from today, yesterday, last week, and last month. You can see how a particular file looked yesterday or a month ago, just by navigating to that file in the snapshot.
It uses hard links to generate the incrementals, so that every backup you look at functions just like a full, complete backup. So you don't need to go looking for files; all your files are there, similar to the Apple TimeMachine product. The use of hard links means that a single, unchanged file only exists once on your hard drive (even though you can see that file in all of your snapshots).
Especially, can I run it in a way that it resolves the issue that turn up when having different file systems for the source and target?
No. Rsnapshot just uses rsync for the file copy process (when a file changes), so any issues that exist with rsync will still exist with Rsnapshot.
--Derek
On 01/04/2012 02:58 PM, Simon Friedberger wrote: Hi everybody,
I'm using an rsync script that is barely more than rsync -KRaSH --delete
--numeric-ids --link-dest=...
to create backups of a machine. What does rsnapshot provide on top of
that? Especially, can I run it in a way that it resolves the issue that
turn up when having different file systems for the source and target?
Best,
Simon
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