Oracle 12c Transparent Data Encryption (TDE) on RAC Database with Physical Standby Database : Multiple Databases in Single Oracle Home

Oracle 12c TDE on RAC Database with Physical Standby RAC. The Oracle Database Home has Multiple Instances, due to which we have to use parameter $ORACLE_UNQNAME for ENCRYPTION_WALLET_LOCATION in sqlnet.ora file In Oracle 12c ALTER SYSTEM and orapki has been deprecated and the correct method is to use ADMINISTER KEY MANAGEMENT commands. Many of the statements … Continue reading Oracle 12c Transparent Data Encryption (TDE) on RAC Database with Physical Standby Database : Multiple Databases in Single Oracle Home

Testing a Physical Standby using Snapshot Standby in Oracle 10g

TESTING A PHYSICAL STANDBY DATABASE IN ORACLE 10G Using SNapshot Standby This procedure is very useful when you have physical standby databases for testing and other purposes that require read-write access to the standby database. Also, it improves your checklist in the event of an error or disaster. By using Snapshot standby databases, redo data … Continue reading Testing a Physical Standby using Snapshot Standby in Oracle 10g

Multiple Standby Databases Dataguard Oracle

We will create 2 standby databases from a single RAC primary database. 11gR2 allows upto 30 standby databases.  The most important part is to consider the dataguard parameters, the rest is a normal dataguard creation. The important parameters are as below : db_file_name_convert log_archive_config log_archive_dest_1 log_archive_dest_2 log_archive_dest_3 LOG_ARCHIVE_DEST_STATE_1 LOG_ARCHIVE_DEST_STATE_2 LOG_ARCHIVE_DEST_STATE_3 log_file_name_convert remote_login_passwordfile STANDBY_FILE_MANAGEMENT fal_client fal_server … Continue reading Multiple Standby Databases Dataguard Oracle

RAC to Single Instance Standby Database Setup (Oracle 11gR2 Physical Standby)

Primary is a 2 node-rac cluster with instances swx1 and swx2 running on ASM. A service called swxscan is created for client sides. We will use this service name for the tnsnames.ora. The standby instance will be called swxstandby and it will be running single instance on ASM as well. This is a standard dataguard … Continue reading RAC to Single Instance Standby Database Setup (Oracle 11gR2 Physical Standby)

2 Node RAC to Single Instance Dataguard Switchover (Oracle 11gR2 Physical Standby )

Many a times to save cost in building a DR solution for a certain application; you have to create a single instance database for your RAC primary. So you have gone ahead and build the 2-node to single instance setup and now comes the time to test it. Well it is not much different than … Continue reading 2 Node RAC to Single Instance Dataguard Switchover (Oracle 11gR2 Physical Standby )