08.08.2011 18:33, Kjell Rilbe wrote:
> This copy should be as up to date as possible,
> transaction by transaction.
>
> Are there no replicators that can do this?

   Yep.
   All Firebird replicators that I know are asynchronous. It means that there 
is a 
possibility to loose some data on crash. The possibility can be small, as well 
as the lost 
data amount, but never is zero.
   Shadow represents synchronous replication with guaranteed zero data losses.

-- 
   SY, SD.

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