Les Mikesell wrote: > Jason M. Kusar wrote: > > >>> If you use rsync as the transport you never actually transfer unchanged >>> files again - you only make a pass over the files comparing block >>> checksums. This takes some time/cpu at each end but not a lot of bandwidth. >>> >>> >> So that means that even a full backup uses the old backup as the basis >> for the transfer? I assume also then that files deleted off of the >> server will not be deleted off the backup since the default rsync >> options don't include any of the delete options. Is there a way to fix >> this? >> > > If you have the time for the file checksumming, just do rsync fulls > every time. This will reconstruct the backup file tree without the > deleted files. > > The problem with doing a full every time is that on the client rsync has to read all the data to do the checksums - this is a non-trivial load for many systems.
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