{
allocate channel dev1 type disk;
allocate channel dev2 type disk;
SET BACKUP COPIES 2;
backup format '/u01/log_t%t_s%s_p%p','/home/oracle/log_t%t_s%s_p%p'
archivelog all delete all input;
release channel dev2;
}
allocate channel dev1 type disk;
allocate channel dev2 type disk;
SET BACKUP COPIES 2;
backup database format '/u01/log_t%t_s%s_p%p','/home/oracle/log_t%t_s%s_p%p';
release channel dev1;
release channel dev2;
}