Re: Rsync over NFS mount sending whole files
On Fri 28 Oct 2005, Anban Mestry wrote:
> Amazing. Connecting to the NFS server directly instead of through a
> mount results in much better transfers. Thank you. It looks like just
> the updated portions of the files are zoomed across.[/color]
That is the case...
> A dumb question, but why? Does the rsync daemon on the server side
> have anything to do with this? Or does the NFS client act as if the[/color]
Of course; the rsync daemon isn't just a passive data mover. It reads
blocks and uses checksums to determine what parts are different.
> mount is a "local" directory and tries to do read and writes just as
> it would on disk?[/color]
As far as rsync is concerned (and most of all the other utilities you
have at your disposal on a Unix / linux system) an NFS-mounted
filesystem _is_ local, after all it's just a part of the filesystem
space. That's the point of NFS mounts, isn't it?
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