1. Archivelog mode In this mode, after the online redo logs are filled , it will move to archive location 2. Noarchivelog mode In this mode, filled online redo logs wont be archives, instead they will be overwritten. Enable archive log mode: SQL > select name,log_mode from v$database;...
From the above output you can see that database is in archive log mode and automatic archival is also enabled. For experiment or confirmation you can switch the log file to see that an archive is written to archive log location. SQL> alter system switch logfile; System altered. SQL> host ...
Archivelog mode is a database feature that allows Oracle to archive filled online redo logs before overwriting them. These archived redo logs can be used for various purposes, such as data recovery, PITR (Point-in-Time Recovery), and logical replication. By enabling archivelog mode, you ensure ...
V3.1.2 参考指南(Oracle 模式) 系统配置项 enable_log_archive 更新时间:2023-07-17 13:54:34 enable_log_archive 用于设置是否开启日志归档功能。 属性描述 参数类型布尔类型 默认值False 取值范围 True False 是否重启 OBServer 生效否 联系我们 AI助手...
Database log mode No Archive Mode Automatic archival Disabled Archive destination /u02/app/oracle/oradata/orcl/arch Oldest online log sequence 25 Current log sequence 27 SQL> Now we shutdown the database and bring it backup in mount mode. ...
Database log mode No Archive Mode Automatic archival Disabled Archive destination /u02/app/oracle/oradata/orcl/arch Oldest online log sequence 25 Current log sequence 27 SQL> Now we shutdown the database and bring it backup in mount mode. ...
Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 1 Current log sequence 2 Note If the valueArchive Modeis returned for theDatabase log modeparameter, ARCHIVELOG mode is enabled. You cannot enable ARCHIVELOG mode for an Oracle database that is in theOPENstate. In this ...
You no longer need to modify theCLUSTER_DATABASEparameter setting to change the archiving mode in Oracle RAC. You can change archive log mode as long as the database is mounted in the local instance and not open in any instances."
Enable the database in Archivelog mode. Step 1:Set the following parameters in parameter file. SQL> ALTER SYSTEM SET LOG_ARCHIVE_FORMAT='%t_%s_%r.dbf' SCOPE=SPFILE; SQL> ALTER SYSTEM SET log_archive_dest_1='location=/u01/app/oracle/oradata/MYSID/archive/' SCOPE=both; ...
集群级别配置项 enable_log_archive 更新时间:2023-07-28 10:45:58 enable_log_archive用于设置是否开启日志归档功能。 说明 从V4.0.0 版本开始弃用。 属性描述 参数类型布尔类型 默认值False 取值范围 True False 是否重启 OBServer 节点生效否 联系我们 AI助手...