Archive for 08/01/2010 - 09/01/2010

opatch error: OracleHomeInventory gets null oracleHomeInfo

Opatch raised the following error:

ApplySession failed: ApplySession failed to prepare the system. OracleHomeInventory gets null oracleHomeInfo
System intact, OPatch will not attempt to restore the system

OPatch failed with error code 73

In order to find root cause;
export OPATCH_DEBUG=TRUE
then run "opatch apply" again. Following lines give more information.

Dataguard Cascade Standby Database


Cascade standby database configuration lets your layer1 standby database transmit the archivelogs to a layer2 standby database. This feature can be configured with simple LOG_ARHIVE_DEST_x settings but (as always) there are some key points that you should know.


• You must use standby redo logs on layer1 standby database.

• RAC primary database and Data Guard Broker are not supported in Cascade Standby configuration
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