The DBMS and Archiver suddenly shut down, due to several errors. Unfortunately, Actian could not drill down to specific point where the crashed because the DBMS logs was not enabled yet. The client took three to enable the DBMS logs. Four weeks later, crashed happen again. The problem appears to have been caused by a lock escalation to table level locks to free locks up in the transaction that was accompanied by DEADLOCKS and finally when there were no more locks available to the transaction the DBMS and Recovery servers were not able to roll the transaction back and the database was then marked inconsistent. Actian recommended to increase the system_maxlocks on CBF and restart Ingres to take effect.