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systems, but since we have a grid, it can also be built on ASM disk groups. Vi. creation of ASM disk groupsWe go into the bin directory of the grid and execute the ASMCA command Then create an ASM disk group Specifying ASM Disks Change the path to our ASM disk to sit in the pathOur ASM disk is under this path The ASM disk is discovered when the modification is complete. We name the disk group data and the redundancy mode is external.Then crea
conversion is complete, you can reset the standby run mode as needed. The operating mode of the conversion repository is because the standby is running in maximum protected mode and cannot be failover, and if the primary library is running in maximum protected mode and the standby is in communication, the SQL operation to change the standby to the best performance mode will not succeed. Because the failover operation moves the main library out of the Dataguard configuration, these features
OriginRecent 10g and 11g physical standby configuration experiments found that Data Guard is actually easy, but lacks good documentation. I was experimenting with the official documentation and thought it wasn't very clear.Google out of two PDF documents, read it feel much stronger than official documents. It may be useful for some friends to translate. I am also
/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_
: Sql> SELECT switchover_status from V$database; As long as the Switchover_status query result is to standby or sessions ACTIVE, the switchover between the primary and the logical repositories is indicated. Otherwise, see if the data Guard is configured correctly, such as if all the Log_archive_dest_n parameters are configured correctly. 2. Preparing to switch to the c
We have provided an overview of the unique features of Oracle 11g R2. At the same time, we also describe the enhancement of the data warehouse performance related to Oracle 11g R2. The following describes the enhanced features of Data
ORACLE 11G Data Guard role conversion, 11 gguard1. ORACLE login uard Role SwitchingDataGuard is now the mainstream disaster tolerance solution. Due to its strong adaptability to the network, it can adopt synchronous real-time transmission mode and asynchronous delay transmis
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 11g Data guard based on the same host 1. Restrictions on logical standby DatabasesThere are many restrictions on the logical standby database. For example, some special data types such as object, nested table, rowid, object type, and custom
Before Oracle 11g, the physical Standby database (physical Standby) cannot be opened when applying redo, but can only be mounted. Starting from 11g, when applying redo, the physical standby database can be in read-only mode, which is called Active Data Guard. With Active
Oracle Data Guard provides the most effective and comprehensive data availability, data protection, and disaster recovery solutions for enterprise databases. It integrates management, monitoring, and automated software infrastructure to create and maintain one or more synchr
switch to the primary role. Otherwise, confirm that the Redo app is started until the query results show to primary or sessions ACTIVE. 7. Switch the physical standby to the primary role Execute the following SQL on the target physical standby: Sql> ALTER DATABASE COMMIT to switchover to PRIMARY with SESSION SHUTDOWN; Note: If the query results in step 1th are to PRIMARY, the WITH SESSION shutdown
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
Step by step, gathering small streams ------ oracle easily modifies the entire row of data, ------ oracle As you learn more and more about your knowledge and discover your own shortcomings, record the knowledge you learned this time. Although
Step by step, gathering small streams ------ oracle quick add test data, ------ oracle Some time ago, problems were found during implementation and need to be modified at that time. Because the data in the database is real
Oracle Data Guard provides the most effective and comprehensive Data availability, Data protection, and disaster recovery solutions for enterprise databases. It integrates management, monitoring, and automated software infrastructure to create and maintain one or more synchr
Oracle 11g Data Guard Broker operation notes I. Settings 1. Set broker 2. operate on the master database DGMGRL> help DGMGRL> help create DGMGRL> create configuration c1 as primary database is PROD1 connect identifier is PROD1; DGMGRL> help add DGMGRL> add database dg as connect identifier is dg; DGMGRL> help enable DG
;ConfigurationName:c1Enabled:yesProtection mode:maxavailabilityDatabases:Dg-primary DatabaseProd1-physical Standby DatabaseFast-start failover:disabledCurrent status for "C1":Warning:ora-16610:command "EDIT DATABASE prod1 SET Property" in progressDgmgrl> Switchover to PROD1Performing switchover now, please wait ...New Primary Database "Prod1" is opening ...Operation requires shutdown of instance "DG" on Database "DG"Shutting down instance "DG" ...Ora-01109:database not openDatabase dismounted.OR
Redhat 7 oracle 11g Silent Installation step tutorial, redhat11g I. Preparations before installation 1. Modify the Host Name sed -i "s/HOSTNAME=localhost.localdomain/HOSTNAME=oracledb.01/" /etc/sysconfig/network 2. Add the host name to correspond to the IP address vim /etc/hosts Append at the end: 192.168.0.71 oracledb.01 3. Disable seLinux sed -i "s/SELINUX=en
Operating system: Windows 7Database: Oracle 11gR2First step: Download the Oracle installation packageOracle Official Website: https://www.oracle.com/index.htmlClick Oracle Database 11g Express Edition under the Downloads columnThen click on the Consent button on the left: ac
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