Oracle DBA, How To, Error, Cause and Action

ORA-02750: osnfsmmap: cannot open shared memory file ?/dbs/ftt_<pid>.dbf

ORA-02750: osnfsmmap: cannot open shared memory file ?/dbs/ftt_.dbf




Cause: The Fast driver failed to create a shared memory file for two-task communication.




Action: Check the permissions on the directory ?/dbs