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Question 68/86
You are developing a user callout procedure to send an email to the helpdesk whenever a RAC database instance fails to restart after node failure.
Examine these tasks (see exhibit):
Identify the minimum steps required, in the correct sequence, to implement this.
Examine these tasks (see exhibit):
Identify the minimum steps required, in the correct sequence, to implement this.
Correct Answer: E
Explanation/Reference:
Explanation:
Executables should only have execute permissions for the grid user
The executable files for FAN callouts are stored in the Grid_home/racg/usrco subdirectory. If this subdirectory does not exist in your Grid home, then you must create this directory with the same permissions and ownership as the Grid_home/racg/tmp subdirectory.
All executables under $GRID_HOME/racg/usrco are executed immediately, in an asynchronous fashion, when a FAN event is received through the Oracle Notification Service (ONS). For most event types, the callout is executed on one node in the cluster (the node generating the event), thus a copy of the executable files used by FAN callouts should be available on every node that runs Oracle Clusterware.
Explanation:
Executables should only have execute permissions for the grid user
The executable files for FAN callouts are stored in the Grid_home/racg/usrco subdirectory. If this subdirectory does not exist in your Grid home, then you must create this directory with the same permissions and ownership as the Grid_home/racg/tmp subdirectory.
All executables under $GRID_HOME/racg/usrco are executed immediately, in an asynchronous fashion, when a FAN event is received through the Oracle Notification Service (ONS). For most event types, the callout is executed on one node in the cluster (the node generating the event), thus a copy of the executable files used by FAN callouts should be available on every node that runs Oracle Clusterware.
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