Blah-blah-blah. =)<p>I have one very simple test for all those virtualization over-hyped guys - how many 64-bit Oracle instances you can run on typical, 2-U HP Proliant Server?<p>For example, 7 Xen systems for developers including two 64-bit Oracle instances (10g and 9) on Proliant and 7 Xen Guests on 8-core Dual Xeon 1U server at datapipe.<p>The real cat is better than paper tiger.