rman block recovery

I have a database which has database block corruption. I had a successful rman backup of Sunday. Monday and Tuesday rman backup failed saying ORA-19566: exceeded limit of 0 corrupt blocks for file F:\EM…….

Then I modified rman script to skip up to 5 corrupt blocks.. set maxcorrupt for datafile 'F:\......' to 5;

Now my rman backup is successful on Wednesday…

Now, I want to repair blocks using rman’s block recover command: recover datafile 19 block 321, 322, 385, 513, 577 restore My questions are:
a. Will rman automatically start with Sunday’s successful back and then apply archived logs.. or Will it start with Wednesday’s backups and then it won’t be able to recover corrupted blocks… b. How to force rman block recover to start from Sunday’s backup … (Do I have to mark Wedensday's backup as invalid in rman catalog ... Received on Wed Apr 11 2012 - 10:44:13 CDT