Am trying to do restore of control file on Linux Machine 64Bit CenTOS5.2, i get the following

RMAN> restore controlfile;

Starting restore at 29-07-2008 using channel ORA_DISK_1

channel ORA_DISK_1: starting datafile backupset restore channel ORA_DISK_1: restoring control file channel ORA_DISK_1: reading from backup piece /u01/oracle/product/10.2.0/db/dbs/c-2142365377-20080729-01 ORA-19870: error reading backup piece /u01/oracle/product/10.2.0/db/dbs/c-2142365377-20080729-01 ORA-19505: failed to identify file "/u01/oracle/product/10.2.0/db/dbs/c-2142365377-20080729-01" ORA-27037: unable to obtain file status Linux-x86_64 Error: 13: Permission denied Additional information: 3 failover to previous backup

channel ORA_DISK_1: restoring control file ORA-19625: error identifying file /backup_rman/cont_backup/ctl_file_t661365316_s2103_p1 ORA-27047: unable to read the header block of file Additional information: 2 ORA-19600: input file is control file (/backup_rman/cont_backup/ctl_file_t661365316_s2103_p1) ORA-19601: output file is control file (/u01/oracle/oradata/sdc/control0.ctl) failover to previous backup

- The control files has been transfered from AIX5.3 to a Linux Machine !! - I checked the permissions, they are rw.

[oracle@PowerEdge1 cont_backup]$ ls -al total 92272 drwxrwxrwx 2 oracle dba 4096 Jul 29 17:05 . drwxrwxrwx 4 oracle dba 4096 Jul 29 17:10 .. -rw-rw-rw- 1 oracle dba 17661952 Mar 19 19:14 ctl_file_t643581595_s1675_p1 -rw-rw-rw- 1 oracle dba 17661952 Mar 19 19:14 ctl_file_t648930789_s1833_p1 -rw-rw-rw- 1 oracle dba 19693568 Jul 29 04:26 ctl_file_t661285579_s2098_p1 -rw-rw-rw- 1 oracle dba 19693568 Jul 30 2008 ctl_file_t661357792_s2100_p1 -rw-rw-rw- 1 oracle dba 19644416 Jul 30 2008 ctl_file_t661365316_s2103_p1

any help