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You want something real time like lsyncd.
On 09/29/11 19:57, Jason Usher wrote:
> Let's say I have a slow, or high latency (or both) link between two hosts,
> and transferring data is expensive.
>
> Is it possible with rsync (or any other tool like rsync) to maintain a local
> metadata cache, such that I can rsync without transferring data to and from
> the hosts about what files are already in place ?
>
> That is, I already "know" what is out there and don't need to check anything
> - I can just use the state information on the sending end to send only the
> data required, and don't need to traverse the remote filesystem for
> sizes/datestamps/hashes/etc.
>
> Does this exist ?
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Kevin Korb Phone: (407) 252-6853
Systems Administrator Internet:
FutureQuest, Inc. ke...@futurequest.net (work)
Orlando, Florida k...@sanitarium.net (personal)
Web page: http://www.sanitarium.net/
PGP public key available on web site.
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