oracle document mention that
trace file backups have one major disadvantage: they have no record of any previous backups made with the old control file.
my question is
I think those record of previous backup is only used
by rman, if i don't use rman for backup and recover,
I don't need those information.
am i right?
Again in RMAN, you don't have to have the backups recorded on the controlfile, if you were to use catelog.
Using the trace file backup you could only rebuild your control file. You would be loosing some status informations from it.
IF you backup the control file as
ALTER DATABASE BACKUP CONTROLFILE to filename;
here you would be saving the control file at that time as a binary format.
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