In this post, you’ll learn more about the Oracle ErrorRMAN-06727: could not locate datafile copy string with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
RMAN-06727: could not locate datafile copy string
Reason for the Error RMAN-06727: could not locate datafile copy string
The specified datafile copy could not be found on any allocated channel.
How to fix the Error RMAN-06727: could not locate datafile copy string ?
You can fix this error in Oracle by following the below steps
Allocate additional channels on other nodes of the cluster or if the datafile copy has been deleted, use the CROSSCHECK DATAFILECOPY command to correct the recovery catalog or target database control file entries.