oracle data guard apply lag

Some things really need to be used constantly before they can be better remembered. Let's talk about data guard. I checked concepts several times, I can see Data guard related content on the Internet every other time. The concept in my mind has become blurred and there are still too few practices. Today, I simply wrote

repository receives redo data from the main library, and unlike physical or logical repositories, the snapshot repository receives only the redo data it receives. Until the snapshot repository is converted to a physical repository, discard any updates to the snapshot repository before applying the received redo data. The snapshot database is best used in a physi

/oradata/powerdes/example01.dbf. Elapsed time:0:01:18Checkpoint is 32945676Last deallocation SCN is 32806636............ 6, ORA-01152: ProblemFinally, the Rman command line inside the duplicate command executes, the window interface has the following error message: Signalling error 1152 for DataFile 1!Errors in FILE/ORACLE/APP/ORACLE/DIAG/RDBMS/EARTH_M2/POWERDES/TRACE/POWERDES_

. 3. Insert tablespace Invoke the Data Pump utility to plug the set of tablespaces into the primary database. Redo data will be generated and applied at the standby site to plug the tablespace into the standby database. Call the Data Pump to insert the tablespace to the master database. Then, the slave database will obtain the redo

Apply before you can change the log files. 1. If the redo application is running, you must cancel the redo application after you change the log file. 2. If the STANDBY_FILE_MANAGEMENT initialization parameter is set to AUTO, change the value to MANUAL. If the STANDBY_FILE_MANAGEMENT initialization parameter is set to AUTO, change it to MANUAL. 3. Add or drop an online redo log file: 3. add or delete online redo log files: Bytes To add an online redo

in the Oracle Data Guard configuration. See ' performance Versus Protection in Maximum availability Mode ' For information about the Redo transport settings NEC Essary to support Maximum availability and associated trade-offs. Transactions on the primary is considered protected as soon as Oracle

Configuring the Oracle 11g Data Guard (logical standby) Oracle Data Guard logical standby database based on the same host uses a backup of the master database to first create a physical standby database, then convert it to a logic

from v $ logfile;MEMBER--------------------------------------------------------------------------------/Oradata/orcl/REDO03.LOG/Oradata/orcl/REDO02.LOG/Oradata/orcl/REDO01.LOG/Oradata/orcl/sredo01.log/Oradata/orcl/sredo02.log/Oradata/orcl/sredo03.log/Oradata/orcl/sredo04.log7 rows selected. Complete the Standby Logfile migration. Note:The preceding operations may not be completed on the slave database. The solution is that after the Standby Logfile migration is completed on the master database,

The failover of Oracle Data Guard was described in both previous articles, but there was no systematic explanation, so in this paper, DG's failover is described in a systematic note. The processing of failover redo under physical data Guard http://www.cndba.cn/Dave/article/

Tags: 11.2 mysql tab arch scope show error not docRecently in the customer site to build a disaster tolerance environment, found that encountered a bug, in the case can not be resolved, give up the broker, can still achieve adg,oracle can't realize the dual-master, but MySQL can ha. The official website says to record a bit.OERR: ORA-16597 "Oracle Data

The Oracle installation and configuration process is closely related to the operating system, storage, and network. Especially in Linux and AIX environments, the configuration process is relatively complex. A link error may cause a series of faults in the future.In addition, the steps and methods for executing the same installation project vary greatly with the Oracle version. For example,

Oracle Active Data Guard adjustment case [2] The customer's Oracle 11gR2 Active Data Guard environment, the master database's standby_file_management = AUTO, the Standby database's standby_file_management = MANUAL, resulting in th

. 3. Preparation of the target logic reserve switch Create a data dictionary of the destination logical repository using the following SQL: The statement also initiates the Redo transport service for the logical standby, which begins to send its own redo data to the current main library and to other repositories in the

The following is the data Guard CPU/PSU patch installation method for a detailed analysis of the introduction, the need for friends can refer to the next Non-Data guard patch installation tutorials refer to the [Oracle] CPU/PSU patch installation detailed tutorial, where

configuration file implementations, back to the primary database. The SQL configuration file implemented on the primary database is recommended to be applied to the ADG standby database using the Redo application mechanism.For more new features, please click :Oracle 12.2 New features handheld handbook-Performance and Diagnostics for volume sixth ADGDeploying Columnstore on ADGWe are doomed to lose the people we love, otherwise how do we know how impo