Problem
The Database crashed
This is what was found in the alert_SID.log
Mon Feb 24 14:35:49 2014
Errors in file /u01/app/oracle/diag/rdbms/oradb/oradb/trace/oradb_j002_30015710.trc (incident=57308):
ORA-00494: enqueue [CF] held for too long (more than 900 seconds) by ‘inst 1, osid 40304748’