Oracle Database 10g Linux Administration

CHAPTER 13Oracle Data Guard on Linux

Oracle Data Guard is a high-availability disaster recovery solution that provides services to maintain, manage, and monitor one or more standby databases. These standby databases utilize the online redo logs or archive log files created by the primary server to keep one or more standby servers up to date. This is done by applying these archive log files to the standby database. There are two types of Oracle Data Guard standby databases: physical and logical. The physical standby database places the standby server into managed recovery mode and continually applies redo information in order to keep the standby database in sync with the primary. With the logical standby database, the archive log files are converted ...