rman level 0 backup
CONFIGURE RETENTION POLICY TO REDUNDANCY 2;
CONFIGURE BACKUP OPTIMIZATION ON;
CONFIGURE CHANNEL DEVICE TYPE disk RATE 3M;
CONFIGURE DEFAULT DEVICE TYPE TO DISK;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
RUN
{
DELETE NOPROMPT OBSOLETE;
CROSSCHECK BACKUP;
CROSSCHECK ARCHIVELOG ALL;
DELETE NOPROMPT EXPIRED BACKUP;
DELETE NOPROMPT EXPIRED ARCHIVELOG ALL;
ALLOCATE CHANNEL H1 DEVICE TYPE DISK MAXPIECESIZE 50M;
ALLOCATE CHANNEL H2 DEVICE TYPE DISK MAXPIECESIZE 50M;
ALLOCATE CHANNEL H3 DEVICE TYPE DISK MAXPIECESIZE 50M;
BACKUP INCREMENTAL LEVEL 0 DATABASE TAG
Friday_Friday_Week_Level0_bck;
SQL 'ALTER SYSTEM ARCHIVE LOG CURRENT';
BACKUP DATABASE ARCHIVELOG ALL DELETE ALL INPUT TAG