Wednesday, November 20, 2013

Technical Facts On Oracle Data Guard 12c - Far Sync Method


1. A lightweight Oracle database instance
2. Only a standby controlfile (created from primary database like phyical standby database controlfile process)
3. Password file, Standby Redo Log files & archive log files will have in Far Sync Instance
4. NO Data files & NO database to open for access
5. Far Sync database will deployed near distance to Primary Database to tolerate the impact of network latency
6. Far Sync instance will receive from redo synchronsly from primary database
7. Far Sync instance will forwards redo asynchronsly from physical standby database
8. Far Sync instance can compress redo transport
9. Best data protection and least performance impact on Primary Database
10. No changes in application.

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