RAMN 分散写 多路写

RMAN backup 多路写

BACKUP DEVICE TYPE DISK COPIES 3 DATAFILE 7 FORMAT ‘/u02/%U’,’/u02/oradata/%U’,’?/%U’;
BACKUP as compressed backupset DEVICE TYPE DISK COPIES 2 DATAFILE 10 FORMAT ‘/u02/df10_01.bk’,’/u02/df10_02.bk’;

run{
allocate channel c1 type disk;
allocate channel c2 type disk;
allocate channel c3 type disk;
BACKUP COPIES 2 DATAFILE 7 FORMAT ‘/u02/%U’,’/u02/oradata/%U’;
BACKUP as compressed backupset COPIES 2 DATAFILE 10 FORMAT ‘/u02/df10_01.bk’,’/u02/df10_02.bk’;
}

RMAN backup 分散写

CONFIGURE DEVICE TYPE DISK PARALLELISM 3;
CONFIGURE DEFAULT DEVICE TYPE TO DISK;
CONFIGURE CHANNEL 1 DEVICE TYPE DISK FORMAT ‘/disk1/%d_backups/%U’;
CONFIGURE CHANNEL 2 DEVICE TYPE DISK FORMAT ‘/disk2/%d_backups/%U’;
CONFIGURE CHANNEL 3 DEVICE TYPE DISK FORMAT ‘/disk3/%d_backups/%U’;
BACKUP AS COPY DATABASE;

RUN
{
ALLOCATE CHANNEL disk1 DEVICE TYPE DISK FORMAT ‘/disk1/%d_backups/%U’;
ALLOCATE CHANNEL disk2 DEVICE TYPE DISK FORMAT ‘/disk2/%d_backups/%U’;
ALLOCATE CHANNEL disk3 DEVICE TYPE DISK FORMAT ‘/disk3/%d_backups/%U’;
BACKUP AS COPY DATABASE;
}