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



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

Answer / guest

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

Action: Check the permissions on the directory ?/dbs

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