- Views Relevant to Oracle Data Guard
- ORACLEBASE Data Guard Physical Standby Setup in Oracle Database 11g Release 2
- Data Guard Features Oracle Database
Views relevant to oracle data guard 11gr2
Lists the tables that will be skipped by SQL Apply. This view is very helpful when you are diagnosing performance problems during SQL Apply on the logical standby database, and it can be helpful for other problems. If you did not want to have to log on as a different user in step 5. Fold Unfold. After testing is complete, the database is flashed back and put back into standby where the redo logs are applied to bring the standby back up to date. It does this by flashing back the old primary database to an SCN prior to the new primary. For example. Enable the configuration You can query this view on any instance of a standby database in a Data Guard configuration. Provides database information from the control file.
17 Views Relevant to Oracle Data Guard.
This chapter describes the views that are especially useful when monitoring a Data Guard environment. The view. Data Guard Concepts and Administration . 16 Views Relevant to Oracle Data Guard Table Views That Are Pertinent to Data Guard Configurations.
LOGICAL DBA_LOGSTDBY_EVENTS Contains information about the activity of the logical standby database system. It can be used to.
Start service on production node 3. Append content without editing the whole page source.
Views Relevant to Oracle Data Guard
A3 - No. Provides datafile information from the control file.
Views relevant to oracle data guard 11gr2
|Once testing is complete, the database can be converted back to a standby database at which point it catches up with the primary.
Redo data is also written to one or more standby databases, but this is done asynchronously with respect to transaction commitment, so primary database performance is unaffected by delays in writing redo data to the standby database s. Contains the response time information for destinations that are configured for SYNC transport. Contains log file information from the online redo log files.
Displays the history of s witchovers and f ailovers for logical standby databases in a Data Guard configuration. The Sims Online. Other useful commands at this point are.
Video: Views relevant to oracle data guard 11gr2 Oracle Data Guard 11g - Overview Logical Standby Database
The view described in this chapter. DATA GUARD TROUBLESHOOTING Query the v$dataguard_status view: Perhaps, the most important query to troubleshoot a stsandby. Data Guard is the name for Oracle's standby database solution, used for disaster recovery. Amend the PFILE making the entries relevant for the standby database. . The following example queries the V$DATABASE view to show that FROM ACTIVE DATABASE [ID ]; Data Guard Quick Links: 11gR2, 12cR1.
If flashback is not on, then a reinstatement cannot be done and instead the old primary will need to be recreated as a standby from the new primary.
If SQL Apply is not running, the values for the statistics are cleared. This view can be queried on any instance of a standby database. This is accomplished by allowing transactions to commit as soon as all redo data generated by those transactions has been written to the online log. Notes 1.
Below are some useful views for Data Guard.
alter system command against the relevant instances on the users behalf. This not recommended for 11gr2.
Data Guard Features Oracle Database
He actively participates in Oracle-related forums, such as OTN, where he has the AIOUG community on Twitter, where he occasionally expresses his views via the Nassyam Basha has written Oracle Data Guard 11gR2 Beginner's Guide.
The view described in this chapter are a subset of the views that are available for Oracle databases.
General Wikidot. Test to see what is required. In the event of a fail-over whereby the new primary is at a lower scn than the old primary, perhaps as a result of a delay in the apply of redo, then the broker can be used to reconfigure the old primary db to a new standby. As such, the rename is required. Create account or Sign in. Upgrade the primary database.
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|Restart listener, agents etc This chapter describes the views that are significant in a Data Guard environment.
If using active data guard then the data will be available for query in a few seconds. The trace levels are bitmaps, so adding them together will generate both trace levels.
Displays information about all active transactions being processed by SQL Apply on the logical standby database. Create production service on standby node. Displays the progress of SQL Apply on the logical standby database.