CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 2;
CONFIGURE CHANNEL 1 DEVICE TYPE DISK CONNECT 'sys/oracle@rt1';
CONFIGURE CHANNEL 2 DEVICE TYPE DISK CONNECT 'sys/oracle@rt2';
RMAN> show all;
RMAN configuration parameters are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 2;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE CHANNEL 1 DEVICE TYPE DISK CONNECT '*';
CONFIGURE CHANNEL 2 DEVICE TYPE DISK CONNECT '*';
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/oracle/app/oracle/product/10.2.0/db_1/dbs/snapcf_RT2.f'; # default
RMAN> backup database plus archivelog;
Starting backup at 04-JUL-11
current log archived
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=143 instance=RT1 devtype=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: sid=132 instance=RT2 devtype=DISK
channel ORA_DISK_1: starting compressed archive log backupset
channel ORA_DISK_1: specifying archive log(s) in backup set
input archive log thread=1 sequence=10 recid=6 stamp=755647649
input archive log thread=1 sequence=11 recid=10 stamp=755648045
input archive log thread=1 sequence=12 recid=14 stamp=755648207
input archive log thread=1 sequence=13 recid=16 stamp=755648344
input archive log thread=1 sequence=14 recid=22 stamp=755648490
input archive log thread=1 sequence=15 recid=26 stamp=755648538
input archive log thread=1 sequence=16 recid=30 stamp=755648596
input archive log thread=2 sequence=12 recid=2 stamp=755647601
channel ORA_DISK_1: starting piece 1 at 04-JUL-11
channel ORA_DISK_2: starting compressed archive log backupset
channel ORA_DISK_2: specifying archive log(s) in backup set
input archive log thread=2 sequence=13 recid=4 stamp=755647644
input archive log thread=2 sequence=14 recid=8 stamp=755648043
input archive log thread=2 sequence=15 recid=12 stamp=755648206
input archive log thread=2 sequence=16 recid=18 stamp=755648344
input archive log thread=2 sequence=17 recid=20 stamp=755648488
input archive log thread=2 sequence=18 recid=24 stamp=755648536
input archive log thread=2 sequence=19 recid=28 stamp=755648594
channel ORA_DISK_2: starting piece 1 at 04-JUL-11
channel ORA_DISK_1: finished piece 1 at 04-JUL-11
piece handle=+DISKGROUP01/rt/backupset/2011_07_04/annnf0_tag20110704t222317_0.314.755648601 tag=TAG20110704T222317 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07
channel ORA_DISK_2: finished piece 1 at 04-JUL-11
piece handle=+DISKGROUP01/rt/backupset/2011_07_04/annnf0_tag20110704t222317_0.315.755648603 tag=TAG20110704T222317 comment=NONE
channel ORA_DISK_2: backup set complete, elapsed time: 00:00:07
Finished backup at 04-JUL-11
Starting backup at 04-JUL-11
using channel ORA_DISK_2
using channel ORA_DISK_1
....
Reference : http://oraclehandson.wordpress.com/2008/01/10/parallel-backup-using-rman-in-rac-environment/
....
