Uh huh. PolyServe Matrix Server with the MxDB-Oracle-HiAv Solution Pack. Here is a current whitepaper : http://www.polyserve.com/pdf/VMDB_Summary_WP.pdf Contact PolyServe and ask for a demo over the web. We maintain a 10node demo cluster that has 10 instances of 10g RAC and IIRC 7 non-RAC databases encapsulated under the HA product Kevin Closson Chief Architectect, Database Solutions PolyServe ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Daiminger, Helmut Sent: Friday, November 18, 2005 6:55 AM To: oracle-l@xxxxxxxxxxxxx Subject: Off topic: Active/passive failover cluster on Linux Hi! Does anybody out there know of clustering software for a failover cluster on Red Hat Linux Enterprise Edition? I am only familiar with Veritas Cluster Server or HP MC/Service Guard. Thanks, Helmut