Oracle ѧϰ±Ê¼Ç: RMAN³£ÓÃÃüÁî
1 . set database to archivelog mode
Sql´úÂë
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 251658240 bytes
Fixed Size 1248356 bytes
Variable Size 83887004 bytes
Database Buffers 159383552 bytes
Redo Buffers 7139328 bytes
Database mounted.
SQL> alter database archivelog;
Database altered.
SQL> alter database open;
Database altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 1319
Next log sequence to archive 1321
Current log sequence 13
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1. use database as archive log mode and set archive dest location
alter system set LOG_ARCHIVE_DEST_1 = 'LOCATION=/u04/arch/orcl' scope=spfile;
2. configuration retention days/size/distination
ALTER SYSTEM SET DB_FLASHBACK_RETENTION_TARGET=43200; --30 days
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