The difference is hardware vs software. Just like with domains, if it's a hard partition you only have to license the cpus on the hard partition. Oracle VM lies between the hardware and software and is built on Xen. VMWare is software and even if you specify that you only want it to use 4 cpus, it really has access to all 8. Xen on the other hand segregates the cpus just like a hard partition. It'll be interesting to see if they allow Oracle to be run on VirtualBox. My $0.02. WGB -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of John Piwowar Sent: Tuesday, October 26, 2010 7:15 AM To: JBECKSTROM@xxxxxxxxx Cc: oracle-l-freelists; oracle-db-l Subject: Re: VMWARE's virtualization and processor licensing The short (and unfortunate) answer is that you have to license Oracle for each processor in your VM server. You don't have the ability to declare, for example, that that you're only going to use 4 of the 8 cores in your Vmware server for database VMs, and only pay for Oracle RDBMS licenses on those 4 cores. Oddly enough, you *can* do this if you're running Oracle VM...hmm...:-) Regards, John P. Sent from a mobile device to deliver a more rapid response. Please excuse brevity and typos. On 2010-10-26, at 7:55 AM, "Jeffrey Beckstrom" <JBECKSTROM@xxxxxxxxx> wrote: > I am seeking information on VMWAREs virtualization software and how it impacts processor licensing for Oracle. Any information would be appreciated. > > > Jeffrey Beckstrom > Database Administrator > Greater Cleveland Regional Transit Authority > 1240 W. 6th Street > Cleveland, Ohio 44113 -- //www.freelists.org/webpage/oracle-l _____________ The information contained in this message is proprietary and/or confidential. If you are not the intended recipient, please: (i) delete the message and all copies; (ii) do not disclose, distribute or use the message in any manner; and (iii) notify the sender immediately. In addition, please be aware that any message addressed to our domain is subject to archiving and review by persons other than the intended recipient. Thank you. _____________ -- //www.freelists.org/webpage/oracle-l