ORA-19566 & RMAN-03009

I have faced with that issue on our 12.1.3 EBS system on AIX system with 2 node 11gR2 RAC databases. During the full backup operation, I noticed that RMAN log mention below error message at the backup log file. RMAN-03009: failure of backup command on ORA_DISK_3 channel at 03/29/2012 22:19:19 ORA-19566: exceeded limit of 0 Continue reading