ORA-01102: cannot mount database in EXCLUSIVE mode
Hi friends, recently during starting my database I end up with following error: ORA-01102: cannot mount database in EXCLUSIVE mode.
Cause of the above error is: Other instance has the database mounted exclusive or shared.
Solution:
Shutdown the primary database:
shut immediate;
Find out all the processes belonging to the database still running, and kill the processes:
Now start the database: