| Error | ORA-01624 |
Description | log string needed for crash recovery of instance string (thread string) | Cause | A log cannot be dropped or cleared until the thread`s checkpoint has advanced out of the log. | Action | If the database is not open, then open it. Crash recovery will advance the checkpoint. If the database is open force a global checkpoint. If the log is corrupted so that the database cannot be opened, it may be necessary to do incomplete recovery until cancel at this log. |
