Until today our RMAN backup policy has been working fine (about 6 months) - however recently I spotted the following error message, and am wondering what to do ......
channel d1: starting piece 1 at 15-JUN-06
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00601: fatal error in recovery manager
RMAN-03004: fatal error during execution of command
RMAN-10006: error running SQL statement: select sofar, context, start_time from v$session_longops where (start_time > nvl(:1, sysdate-100) or start_time = nvl(:2, sysdate+100)) and sid = :3 and serial# = :4 and opname like 'RMAN:%' order by start_time desc, context desc
RMAN-10002: ORACLE error: ORA-01041: internal error. hostdef extension doesn't exist