Hi,
I believe this should raise an error or at least a warning? postgres=# alter system set storage_engine = 'zheap'; ALTER SYSTEM postgres=# alter system set storage_engine = 'zheap2'; ALTER SYSTEM postgres=# alter system set storage_engine = 'zheap3'; ALTER SYSTEM postgres=# Regards Daniel [cid:9bfad55c-fe48-4c76-8ec8-8b344f9b4094] Daniel Westermann | Delivery Manager & Open Infrastructure Technology Leader Phone: +41 32 422 96 00 | Mobile: +41 79 927 24 46 | Fax: +41 32 422 96 15 dbi services, Voltastrasse 104 | CH-4056 Basel daniel.westerm...@dbi-services.com www.dbi-services.com