| ERROR | unable to lock file |
| CAUSE | The system call for locking a file returned an error when trying to acquire a database mount lock or the instance startup/shutdown lock. |
| ACTION | Check errno for more information. |
| ERROR | unable to lock file |
| CAUSE | The system call for locking a file returned an error when trying to acquire a database mount lock or the instance startup/shutdown lock. |
| ACTION | Check errno for more information. |