ORA-00268: specified log file does not exist ‘string’
Cause: The given redo log file does not exist.
Action: Check the spelling and capitalization of the filename and retry the command.
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ORA-00267: name of archived log file not needed
ORA-00267: name of archived log file not needed
Cause: During media recovery, the name of an archived redo log file was entered, but no name was requested.
Action: Continue media recovery, but do not enter a new log name.
ORA-00266: name of archived log file needed
ORA-00266: name of archived log file needed
Cause: During media recovery, the name of an archived redo log file was requested, but no name was entered.
Action: Mount the correct redo log file and enter its name when it is requested.
ORA-00265: instance recovery required, cannot set ARCHIVELOG mode
ORA-00265: instance recovery required, cannot set ARCHIVELOG mode
Cause: The database either crashed or was shutdown with the ABORT option. Media recovery cannot be enabled because the online logs may not be sufficient to recover the current datafiles.
Action: Open the database and then enter the SHUTDOWN command with the NORMAL or IMMEDIATE option.
ORA-00264: no recovery required
ORA-00264: no recovery required
Cause: An attempt was made to perform media recovery on files that do not // need any type of recovery.
Action: Do not attempt to perform media recovery on the selected files. Check to see that the filenames were entered properly. If not, retry the command with the proper filenames.
ORA-00263: there are no logs that need archiving for thread string
ORA-00263: there are no logs that need archiving for thread string
Cause: An attempt was made to manually archive the unarchived logs in this thread but no logs needed archiving.
Action: No action required.
ORA-00262: current log string of closed thread string cannot switch
ORA-00262: current log string of closed thread string cannot switch
Cause: The log cannot be cleared or manually archived because it is the current log of a closed thread, and it is not possible to switch logs so another log is current. All other logs for the thread need to be archived, or cleared, and cannot be reused.
Action: Archive another log in the same thread first, or complete the clearing. See attached errors for the reason the switch cannot be completed.
ORA-00261: log string of thread string is being archived or modified
ORA-00261: log string of thread string is being archived or modified
Cause: The log is either being archived by another process or an administrative command is modifying the log. Operations that modify the log include clearing, adding a member, dropping a member, renaming a member, and dropping the log.
Action: Wait for the current operation to complete and try again.
ORA-00260: cannot find online log sequence string for thread string
ORA-00260: cannot find online log sequence string for thread string
Cause: The log sequence number supplied to the archival command does not match any of the online logs for the thread. The log might have been reused for another sequence number, it might have been dropped, the sequence number might be greater than the current log sequence number, or the thread might not have any logs.
Action: Check the ARCHIVE statement, then specify a valid log sequence number. Specify a valid log sequence number.
ORA-00259: log string of open instance string (thread string) is the current log, cannot archive
ORA-00259: log string of open instance string (thread string) is the current log, cannot archive
Cause: An attempt was made to archive the current log of an open thread. This is not allowed because the redo log file may still be in use for the generation of redo entries.
Action: Force a log switch in the instance where the thread is open. If no instances are open, open the database so that instance recovery can recover the thread.