Weblogic Physical Vs VMWare

Hi,
We are planning to build a new enterprise level platform running OSB/WLI/BPEL PM on Windows 2008. We are at crossroads on deciding whether to go for physical Vs Vmware. Since oracle licenses are tied to physical CPU cores, we want to utilise the most of it. So we are planning to have dedicated physical servers and all VM's running on them to be used only for this enterprise application. We understand certain pros and cons for going the VmWare path.
Pros:Easier Manageability -
1. A new VM can be easily created on an existing physical hardware in case of any issues.or future extension.
2. Physical server capacity can be efficiently used. In case of OS failures or patching, the weblogic server can be failed over to another VM within the same physical server and the underlying physical server cpacity can be used.
Cons :
1. Extra CPU required for Virtualisation (ESX) layer.
2. Oracle products are not certified but supported on Vmware platform. This could complicate the support procedures with Oracle.
Looking for some guidelines from people who have taken this path before. Especially, how reliable is ESX for hosting an enterprise level weblogic platform? How much will be the performance degradation of using ESX. Is the flexibilty offered by Vmware worth enough to trade off for performance costs. As in our case we are not planning to use Vmware for multiple apps as we want to save on license costs and reserve physical server capacity only for this Weblogic app. So this takes away some of the inherent benefits of virtualisation like the physical server capacity consolidation.
Thanks in advance!
Rgds
Atheek
Edited by: atheek1 on 10-Mar-2010 18:11

Our application is reasonably small and sized for 4 x 2 CPU servers.
Moving to a virtual server blade environment would mean buying some decent blade servers which in our case would be 4 of 2 x quad processor blades which gives 32 cpu's.
Our first assumption is that you could restrict the CPU usage in VMWare to emulate the 4 x 2CPU servers we have currently. The problem is, Oracle don't recognise software partitioning on VMWare, only on Oracle VM and if you run on VMWare, you have to license for the full VMWare blade evironment - all 32 CPU's worth. We buy those blades as we've got MS SQL Server, Introscope and other software to run.
That's why the license costs rocket. We haven't done any cost benefit analysis, as at the moment there's no point. We have to buy the hardware and VMWare, and multiplying our license cost by 4 is too much to justify.
We have an infrastructure team which are VMWare skilled, and if we are forced down the Oracle VM route and then have to provide the team with Oracle VM training as well. We should be OK with that, but is a shame. We use VMWare in a development environment and it's superb.
There are lots of benefits to VMWare for load balancing, provisioning and all sorts of stuff I don't know the technical details for, but from what I've experienced in the development environment, Virtualization is the way forward.
We're in the process of talking to Oracle about VM features, and hopefully do a comparison internally between that and VMWare.
Oracle VM is also free which is a factor and there are also the support issues to consider.
Hope that helps,
Pete

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Thanks

Vikas wrote:
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Best Regards
Elton Ji
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are trying to better understand customer views on social support experience, so your participation in this
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Thanks for helping make community forums a great place.

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09vishal wrote:
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