Primary Database
DB_UNIQUE_NAME=boston FAL_SERVER=boston2 LOG_ARCHIVE_CONFIG='DG_CONFIG=(boston,boston2,denver)' LOG_ARCHIVE_DEST_1='LOCATION=USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=boston' LOG_ARCHIVE_DEST_2='SERVICE=boston2 SYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=boston2'
Cascading Physical Standby Database
DB_UNIQUE_NAME=boston2 FAL_SERVER=boston LOG_ARCHIVE_CONFIG= 'DG_CONFIG=(boston,boston2,denver)' LOG_ARCHIVE_DEST_1='LOCATION= USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=boston2' LOG_ARCHIVE_DEST_2= 'SERVICE=denver VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE) DB_UNIQUE_NAME=denver'
Cascaded Physical Standby Database
DB_UNIQUE_NAME=denver FAL_SERVER=boston2 LOG_ARCHIVE_CONFIG='DG_CONFIG=(boston,boston2,denver)' LOG_ARCHIVE_DEST_1='LOCATION= USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=denver'
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/25583515/viewspace-2147411/ ，如需转载，请注明出处，否则将追究法律责任。
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