RMAN performance parameters

Question

Hello,
I have to backup big databases (more than 10 To) with RMAN in Oracle 10gR2 in a Networker environnement. I have to do full , incremental and archivelog backup.
Could you tell me, please, what are the parameters which have an impact on the performance, the speed of the backup?
I am thinking of number of channels, FILESPERSET ...
Could you tell me the relevance of each parameter of performance of RMAN with an example, for the backup and also for a restoration?
Thank you very much

Answer 1

Simple example using catalog stored on test1 database
BACKUP
rman <<EOF
connect target rman/rman_oracledba@test2
connect catalog rman/rman_oracledba@test1
run { allocate channel d1 type disk;
backup full tag backup_1 filesperset 2
format '/data/oracle9/BACKUP/rman_BACKUP_%d_%t.%p.%s.%c.%n.%u.bus'
database;
EOF
RESTORE
export ORACLE_SID=TEST2
sqlplus /nolog <<EOF
connect / as sysdba
shutdown immediate
startup mount
exit
EOF
rman <<EOF
connect target rman/rman_oracledba@test2
connect catalog rman/rman_oracledba@test1
run { allocate channel d1 type disk;
restore database;
recover database;
alter database open resetlogs;
EOFSs