Oracle Error Message
ORA-01230: cannot make read only – file string is offline
Reason for the Error
An attempt to make a tablespace read only found that one of its files is offline.
Solution
Bring the file online and retry this command.
ORA-01230: cannot make read only – file string is offline
An attempt to make a tablespace read only found that one of its files is offline.
Bring the file online and retry this command.