Procedure for restore?
Fri, 18 Jan 2002 08:41:12 -0600

OK, so the increments directory contains the whole file instead
of just the differences?  I thought that rdiff actually created
a binary patch file, if you will, of each file that had changed.
What I was trying to understand was how to patch the file from
day 1 to day 7.  But what I think you are saying is that day
7's complete file is in rdiff-backup-data/increments, so I just
get it from there.

So the restore procedure would be:

1. copy all files needed from the mirror directory
2. check rdiff-backup-data/increments to see if there are more
up-to-date files that match the files you are restoring, and
restore them.


On Thu, Jan 17, 2002 at 10:10:03PM -0800, Ben Escoto wrote:
> Suppose you are backing up to /backup.  Since you trashed it on day 7,
> the data will be in the /backup/rdiff-backup-data directory.  Suppose
> the original file was named /origial/foo/bar then you will want to
> check the directory /backup/rdiff-backup-data/increments/foo.  For
> each different version of bar there will be a dated file, like
> bar.2001-07-15T04:09:38-07:00.snapshot.  To restore the file or
> directory, just run rdiff-backup with the dated increment file and the
> place to put the restored file, as in:
> rdiff-backup
> /backup/rdiff-backup-data/increments/foo/bar.2001-07-15T04:09:38-07:00.snapshot
> /original/foo/
> There are some more examples on the man page ("man rdiff-backup").
>   JP> I also wonder is there is a rpatch that goes with rdiff...
> Yep, you can use rdiff directly to recover your data.  For instance
> "rdiff patch basis delta new" writes to "new" the result of applying
> patch "delta" to "basis".  Try "man rdiff" for more information.

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