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, you can infer whether the log is consistent2. Next, we need to stop the MRP process in the repository:ALTER DATABASE recover managed standby database cancel;Note that this assumes an error, such as the following see, can not care, because our main log is consistent, MRP ca
restored, does undo rollback.4) Start Database mountSql> startup;ORACLE instance started.Total System Global area 1068937216 bytesFixed Size 2220200 bytesVariable Size 729812824 bytesDatabase buffers 331350016 bytesRedo buffers 5554176 bytesDatabase mounted.Ora-01157:cannot identify/lock data file 3-see DBWR trace fileOra-01110:data file 3: '/HOME/ORACLE/APP/ORADATA/ORCL/UNDOTBS01.DBF '5) Restore and restore the Undo data fileSql> Ho cp/home/oracle/c
;ALTER DATABASE Add supplemental log data (primary Key,unique index) columns;alter system set Parallel_max_servers = 40;alter system set Control_file_record_keep_time = 30;alter system set undo_retention = 3600;alter system set lo
conversion from the slave database (sh) to the master database, and start the physical slave database to open If the physical standby database (bj) is not in read-only mode during the last startup, open the database directly and
1, the system is the instance level, database is the data base level, session is conversation level.2, about these three levels of changes in the following generalDatabase-level (relatively large) > instance-level > Session-level (for current conversations only)3. Related attributes"Alter session SET *****=****"//valid for current session"Alter system set *****=*
databasecommit to switchover to primary (withsession shutdown );Step 14: complete the conversion from the slave database (SH) to the master database, and start the physical slave database to open If the physical standby database (bj) is not in read-only mode during the last
);Step 14: The Slave Database (sh) is switched to the master database, and the physical slave database is started to openIf the physical standby database (bj) is not in read-only mode at the recent start, open the database direct
archived redo logs from the master database. Then, you can enable application Redo or real-time application, or access the database in read-only mode. For example: Start and mount the physical standby database:SQL> STARTUP MOUNT; Start Redo Apply or real-time apply:To start Redo Apply, issue the following statement:SQL>
log in the slave database: SQL> alter database flashback on; Start the redo log applicationIt is very easy to start or stop the redo log application. Start the log application: SQL> ALTER DATABASE RECOVER
= primary_server) (Port = 1521 )))(CONNECT_DATA =(SERVICE_NAME = dgtest))) Standby =(Description =(Address_list =(Address = (Protocol = TCP) (host = standby_server) (Port = 1521 )))(CONNECT_DATA =(SERVICE_NAME = dgtest))) -- Use tnsping to test listener. -- Copy database files 7. Start standby DatabaseSQL> startup nomount pfile = 'd: \ oracle \ product \ initdgt
"Online status"7, Rf.error "Recovery Reason"8, rf.change# "System change Number"9, Rf.timeFrom V$tablespace ts,v$datafile Df,v$recover_file RFOne where ts.ts#=df.ts# and df.file#=rf.file#Order BY df.file#;Tablespace name file number Check Point file name online recovery reason system change number time---------- ---------- ---------- ---------------------------------------- ------- ------------------ ---------- ------ ------TESTTBS02 8 652783/oracle/oradata/boss/testtbs02_01.dbf OFFLINE OFFLINE
1. Build a physical standby Database 2. Stop redo applications on the physical standby database. If the standby database is RAC, all instances other than the following statements must be stopped. SQL>
18.7. Performing Complete user-managed Media RecoveryTo complete a consistent backup, restoring the database to the current SCN is the best result. You can restore an entire database, restore a single tablespace, or recover a data file. Consistent recovery does not require resetlogs to open the
Location:In Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteNonQuery (String SqlCommand, executiontypes Executiontype) in Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteNonQuery (stringcollection Sqlcommands, Executiontypes Executiontype) in Microsoft.SqlServer.Management.Smo.ExecutionManager.ExecuteNonQuery ( StringCollection queries) in Microsoft.SqlServer.Management.Smo.Database.SetOfflineImpl (Boolean offline)===================================
Oracle 12c R1 physical standby uard physical standby database enable real-time apply The physical standby database is always in the mount state, which is inconvenient for Data Synchronization verification. Enabling real-time apply enables real-time query. In the
18.6, about user-managed Media RecoveryTo complete the recovery, Oracle recommends using the recover statement. You can also use the ALTER DATABASE recover statement, but the recover statement is simpler.18.6.1, preconditions of p
switching, B is the master database and A is the slave database. Therefore, log_archive_dest_N must be set to the peer database.4.1. Restart the standby listener.Lsnrctl stop;Lsnrctl start;4.2. Restore the databaseOperate on standbyClose oracle, generate the parameter file, start oracle to nomount, and restore rmanSQL
big integer 80G If not, use the alter system command to set it. Restart the database.2: Cancel Standby DB synchronization and create a guaranteed Restore Point.SQL> alter database recover man
1. Stop StandbySelect process, status from V$managed_standby;---check if the repository is being restored in the application log ALTER DATABASE recover managed standby database cancel;Shutdown immediate; 2. Switch to read-only mod
SWITCHOVER_STATUS FROM V$DATABASE; As long as the SWITCHOVER_STATUS query result is to standby or sessions active, it indicates that switchover can be performed between the master database and the logical STANDBY database. Otherwise, check whether the Data Guard configur
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