How to fix the Oracle error RMAN-06166: datafile string cannot be recovered?

In this post, you’ll learn more about the Oracle ErrorRMAN-06166: datafile string cannot be recovered with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-06166: datafile string cannot be recovered

Reason for the Error RMAN-06166: datafile string cannot be recovered

Incremental backups or archived redo logs needed to recover the datafile cannot be found, and no recoverable full backup or datafile copy exists.

How to fix the Error RMAN-06166: datafile string cannot be recovered ?

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

Use the LIST command to see if there is a backup set or datafile copy that can be made AVAILABLE. If not, then the datafile is unrecoverable. If a full or datafile copy exists, then a Point-in-Time Recovery may be possible.