oracle data guard protection modes

Oracle Data Guard (2) Physical Standby 1. check whether the Primary database is archivelog mode SQL> select log_mode from v $ database; if the result is not "ARCHIVELOG", run the following command: SQL> shutdown immediate; SQL> startup mount; SQL> alter database archivelog; SQL> alter database open; 2. check whether the Primary database is in force logging mode S

Oracle 11gR2 Database and Active Data Guard migration case, 11gr2guard The customer's core system is composed of an Oracle Database 11.2.0.3.4 single machine and an Active Data Guard, which run on two PC servers respectively. The

single-instance databases or multi-instance RAC databases.6. Each Master/Slave database must have its own control file.7. If you place the Master/Slave database in a system, you must adjust the initialization parameters.8. As long as Data Guard is used, the master database must be in force logging mode. If no logging is used on the master database, logs are not generated, and the

parameter is setAUTOAndMANUAL,Respectively. Add a data file to the master database as follows. STANDBY_FILE_MANAGEMENT of the slave database is set to AUTO and MANUAL respectively.8.3.1.1When STANDBY_FILE_MANAGEMENT Is Set to AUTO8.3.1.1 when STANDBY_FILE_MANAGEMENT Is Set to AUTO, The following example shows the steps required to add a new datafile to the primary and standby databases when STANDBY_FILE_MANAGEMENTInitialization parameter is set AUTO.

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/

Data Guard offers two main services:1 Redo Transport Service: The Primay end of the redo log transmission to one or more standby destinations.2 Redo Application Service: The redo log which is transmitted from the Primay end is applied to the standby end.This article first discusses the redo transport services. 1, the use of ARCN transmission redo logBy default, the ARCN transport redo log, but only in the

In Windows, configure Oracle 11gR2 Data Guard. I used to configure Data Guard when I was never in contact with Oracle. Paid download a detailed configuration document for data

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 better acquainted with these two documents w

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

Does the Data Guard broker change attributes to be executed separately on both sides?Data Guard Broker has some properties that can be seen through show configuration.I sometimes wonder if these attributes, respectively, belong to primary and standby, and ifIf you want to change, do you need to log in to primary and st

1. Data Guard master database archive deletion policy: When we set: RMAN> configure archivelog deletion policy to applied on standby; In Maximum Availability and Maximum Performance, when RMAN backs up the archive file and adds delete input, the archive will be deleted. RMAN> configure archivelog deletion policy to none; The archive deletion policy is canceled. 2. Data