Disaster
recovery includes the restoration and recovery of the target database after the
loss of the entire target database, all current control files, all online redo
log files, all parameter files, and the recovery catalog database (if
applicable).
To perform
disaster recovery, the following backups are required as a minimum:
•
Backups
of data files
•
Corresponding
archived redo logs generated after the time of the backup
•
At
least one autobackup of the control file
Basic
procedure:
•
Restore
an autobackup of the server parameter file.
•
Start
the target database instance.
•
Restore
the control file from autobackup.
•
Mount
the database.
•
Restore
the data files.
•
Recover
the data files.
•
Open
the database with the RESETLOGS option.
