oracle dataguard
Dataguard Switchover is a planned role change. In other words, it is the transition of the live database to the standby role and the standby database to the live role. We may be doing Dataguard switchover for testing the functionality of our backup database, doing maintenance work in our live database, etc.Dataguard Switchover operation can

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Oracle Software
In this post we will demonstrate how to create the Oracle RAC Database Software Clone manually, add them to the respective clone.pl script on Oracle Full Rack Exadata Compute Node. Create a tarball of the source home Node1 cd /u01/app/ orcl /product/orcl_12201tar zcvf /u01/app/ orcl /orcl .tar Node2 cd /u01/app/ orcl /product/orcl_12201tar zcvf /u01/app/ orcl

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Oracle Exadata Troubleshooting
In the Exadata and Exalogic Elastic Cloud racks, you may see issue of IB ports showing status as “Down” when running “ibstat” command. This issue can of happen on Compute Nodes,İnifiniband Switch or Storage heads. IB port being down on Compute Node can be confirmed by running below command # listlinkup Connector 0A

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Oracle Streams
Starting from Oracle HA (High Availability) products, Oracle Dataguard, RAC and RMAN are the most commonly used products. Oracle Streams emerges as a replication product, but mainly uses Oracle Logical Standby technology. Oracle Streams generally consists of three different processes called Apply, Propagate and Capture. Apply is the process that runs the LCR records in

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golden-gate-step-by-step
Oracle’s GoldenGate is a software solution that enables DML, DDL, DCL and TCL replication of existing data between databases. If you want to explain this sentence briefly, thanks to Oracle GoldenGate, we can transfer and operate the records of the transactions performed on the source database on the target databases we want, in real time

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oracle-block-corruption
This post describes how to repair multiple or single-block corruption of data files, including system data files, in the Oracle database. Block corruption is a common source of database outages. Database block becomes corrupted when its content is different from what the Oracle database expects to find. If block corruption is not prevented or repaired,

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Oracle cluster check
Today I received an email from Anuj Agarwal, founder of Feedspot .Thank you for your attention. I will try to be worthy.

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