How to fix the Oracle error ORA-29338: datafile string is in an undesired state (string, string)?

In this post, you’ll learn more about the Oracle ErrorORA-29338: datafile string is in an undesired state (string, string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29338: datafile string is in an undesired state (string, string)

Reason for the Error ORA-29338: datafile string is in an undesired state (string, string)

The referred datafile is not in a state ready for tablespace copy operation. For example, the datafile may be offline. The datafile needs to be ONLINE, and either READ ONLY or READ WRITE.

How to fix the Error ORA-29338: datafile string is in an undesired state (string, string) ?

You can fix this error in Oracle by following the below steps

Put the datafile into the desired state.