Backup and Restore OCR,Voting Disk and ASM Disks in new SAN-10g RAC

Question

Dear Friends,
I am using 10g R2 RAC serup on Linux
My OCR,Voting Disk and ASM Disk for DBF Files are on a SAN box
Now i am reorganising SAN by scrapping the entire SAN and cretaing new LUN's (It's a must)
so pleae let me know
1) how do i take backup of OCR and Voting Disk from existing SAN and how do i restore it in new LUN's after SAN reorganisation
2) how do i take backup of existing Database's from existing SAN and how do i restore it in new LUN's after SAN reorganisation.
I will be doing it in Planned downtime only
Regards,
DB

Answer 1

For step 1 you should following metalink doc.
For step 2 here is simple backup command script.
I have done this in windows for you.
D:\app\ranjit\product\11.2.0\dbhome_1\BIN>rman target /
Recovery Manager: Release 11.2.0.1.0 - Production on Wed Feb 8 21:48:47 2012
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
connected to target database: ORCL (DBID=1299593730)
RMAN> run
+{+
allocate channel c1 device type disk format 'D:\app\ranjit\rman\%U';
allocate channel c2 device type disk format 'D:\app\ranjit\rman\%U';
backup database;
backup current controlfile format 'D:\app\ranjit\rman\%U';
+}+
Regards