Oracle Data Guard: Difference between revisions

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== Disadvantages ==
 
Version 11.2.0.1.0 and earlier is somewhat unreliable and buggy in its physical standby incarnation.
 
If the network link connecting primary and standby is over-subscribed, the order of shipping redo is not chronological which can result in large gaps appearing in the available redo at the standby - nett result is that the standby is way, way behind the primary.
 
Data Guard restricts use to like platform and Oracle RDBMS versions. As mentioned in this reference,