Identify two possible reasons for this error.

Attempting to start the observer raises an error:
DGMGRL> start observer:
DGM-16954: Unable to open and lock the Observer configuration file Failed.
Identify two possible reasons for this error.

Attempting to start the observer raises an error:
DGMGRL> start observer:
DGM-16954: Unable to open and lock the Observer configuration file Failed.
Identify two possible reasons for this error.

A.
Fast-Start Failover is not yet enabled for this Data Guard configuration.

B.
The observer configuration file is marked read-only.

C.
There is already an observer running for this Data Guard configuration.

D.
There is another observer running for a Data Guard configuration which uses the same observer
configuration file.

E.
The broker configuration has not yet been created.

Explanation:
Error code: DGM-16954
Description: Unable to open and lock the Observer configuration file
Cause: The Observer configuration file cannot be opened or cannot be locked for exclusive access.
Action: Make sure the Observer has the correct operating system privileges to write the file and there is no
other Observer that is using the same file. Try the command again.
https://www.oraexcel.com/oracle-12cR1-DGM-16954



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Chunn

Chunn

B, D

16954, 00000, “Unable to open and lock the Observer configuration file”
// *Cause: The Observer configuration file cannot be opened or cannot be
// locked for exclusive access.
// *Action: Make sure the Observer has the correct operating system privileges
// to write the file and there is no other Observer that is using
// the same file. Try the command again.