ORA-01645 previous attempt to make read write is half complete
This is an Oracle Database Server Message. This can be generated by the Oracle Database when running any Oracle program.
What is the cause of ORA-01645 from Oracle 10g ?
A failure while making the tablespace read write left it read only, but the checkpoint was advanced. The tablespace will not be useable after a resetlogs if its files are offline.
How to deal with ORA-01645 from Oracle 10g ?
Repeat the command to make the tablespace read write.
Contacting Oracle support services ?
Some messages recommend contacting Oracle Support Services to report a problem. Please go here for more information : Oracle Support.
Linked Error Messages
- ORA-01637 rollback segment ' string ' is being used by another instance (# string )
- ORA-01638 parameter string does not allow ORACLE version string to mount cluster database
- ORA-01639 instance string has no thread assigned to it
- ORA-01640 cannot make tablespace read only with active transactions
- ORA-01641 tablespace ' string ' is not online - cannot add data file
- ORA-01642 begin backup not needed for read only tablespace ' string '
- ORA-01643 system tablespace can not be made read only
- ORA-01644 tablespace ' string ' is already read only
- ORA-01646 tablespace ' string ' is not read only - cannot make read write
- ORA-01647 tablespace ' string ' is read only, cannot allocate space in it
- ORA-01648 log string is the current log of disabled instance string (thread string )
- ORA-01649 operation not allowed with a backup controlfile
- ORA-01650 unable to extend rollback segment string by string in tablespace string
- ORA-01651 unable to extend save undo segment by string for tablespace string
- ORA-01652 unable to extend temp segment by string in tablespace string
- ORA-01653 unable to extend table string . string by string in tablespace string