RMAN> restore controlfile from '/u01/app/oracles/db/test/control01.ctl';

Starting restore at 20-OCT-2012 17:26:18
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=24 device type=DISK

RMAN-00571: ================================================== =========
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ================================================== =========
RMAN-03002: failure of restore command at 10/20/2012 17:26:20
ORA-19504: failed to create file "+DATA"
ORA-15045: ASM file name '+DATA' is not in reference form
ORA-17502: ksfdcre:5 Failed to create file +DATA
ORA-15081: failed to submit an I/O operation to a disk
ORA-19600: input file is control file (/u01/app/oracles/db/test/control01.ctl)
ORA-19601: output file is control file (+DATA)



SOLUTION :
==========

Change permissions and ownership for the oracle executable :

[oracle@rac1 dbs]$ ls -l $ORACLE_HOME/bin/oracle
-r-sr-s--x 1 oracle asmadmin 173515991 Oct 20 12:46 /u01/app/oracles/product/11.2.0/dbhome_1/bin/oracle