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Oracle 11g R1/R2 Real Application Clusters Essentials by Syed Jaffer Hussain, Ben Prusinski

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New features for Data Guard in Oracle 11g R2

With the Oracle 11g R2 database, the following new features are provided for Oracle Data Guard:

  • Oracle Data Guard configurations now consist of a primary database and up to a maximum of 30 standby databases.
  • The FAL_CLIENT database parameter is optional and no longer required.
  • The default archive destination used by Oracle Automatic Storage Management (Oracle ASM) and the Fast Recovery Area (FRA) feature has been changed from LOG_ARCHIVE_DEST_10 to LOG_ARCHIVE_DEST_1.
  • Redo transport compression is no longer limited to compressing redo data only when redo gaps are resolved; whenever compression has been enabled for a destination, all of the redo data sent to that destination is compressed.
  • The new ALTER SYSTEM ...

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