ORA-19730: can not convert offline plugged-in datafile string ORACLE 报错 故障修复 远程处理

文档解释

ORA-19730: can not convert offline plugged-in datafile string

Cause: As part of making a tablespace read-write, we need to convert datafiles that are plugged in read-only. The file must be online.

Action: Online the datafile and retry the operation.