RMAN Error RMAN-06100:

Question

Hi,
I'm testing RMAN Backup on a new database,I first tested the backup and backup was successful.Now thet I need to test restoring the backup i'm getting error msg below.
"RMAN-06100: no channel to restore a backup or copy of datafile".
I'm not sure if the command I use is wrong,here is wat I did.Pls correct me if i'm wrong.I run following script
run {
shutdown immediate; # use abort if this fails
startup mount;
restore database;
recover database;
alter database open;
}

Answer 1

Thank you everyone!! I manage to resolve the prblm.I did not include TDPO_OPTFILE path when I run the restore script. I tried the following script and now database is restoring.Haha.. I'm So happy.. Thank you so much for all the metalink notes id.
# Recovery database from backup tape
startup mount;
run {
set until time "to_date('17-OCT-2007 19:00:00','DD-MON-YYYY HH24:MI:SS')";
allocate channel t1 type 'sbt_tape' parms
'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
restore database;
recover database ;
release channel t1;
alter database open resetlogs;