Virtualization and the E-Business Suite, Redux

Operating system vendors such as Hewlett Packard, IBM and Sun are increasingly promoting the use of their own virtualization solutions for reasons primarily related to the need for IT consolidation and better hardware utilization.

For instance, Solaris Containers is a feature of Solaris 10 that allows partitioning of an existing operating system into separate virtual hosts:

Sun Solaris Containers:

IBM promotes the use of its Dynamic Logical Partitioning (LPAR) technology that enables the virtualization of hardware resources which can be shared by multiple operating systems:

IBM LPAR overview:

HP's virtualization solution -- Virtual Server Environment -- includes various technologies such as nPartitions, vPars and Integrity VM that allow running multiple instances of HP-UX on the same server:

HP Virtual Server Environment:

Additionally other vendor-neutral solutions such as VMware, Microsoft Virtual Server, and Citrix allow different operating systems to run as guest operating systems on a single physical machine.  I've briefly discussed our support for these types of virtualization solutions in a previous article, with a special case for E-Business Suite client/server modules which make direct connections to the E-Business Suite database.

The use of operating system vendors' virtualization technologies to host E-Business Suite falls under the same 'not explicitly certified, but supported' category. These technologies are covered by Oracle's standard policy for third-party product support
  • Oracle will triage and attempt to diagnose issues reported for these configurations. 
  • Specific problems isolated to virtualization software that cannot be reproduced in standard Oracle environments -- i.e. environments without virtualization software -- may need to be referred to the third-party vendor for advanced debugging and resolution.
Use in Production Environments

If you plan to use virtualization software for your application and database servers in a production environment, the usual advice applies:  conduct thorough functional tests, perform peak load-testing, and have detailed fallback plans in case of issues with production environments.

References
Comments:

Hi Steve,

first of all i want to thank you for your great effort to enlighten the community. In your article "http://blogs.oracle.com/schan/2007/05/24/" , the ML note provided for the reference of 'support status for VMware' 249212.1 is not available. may be you would like to provide another note or link in replacement.

thanks,

Posted by mohammed ahmed on May 28, 2007 at 05:57 PM PDT #

Hi, Mohammed,Thanks for the feedback.  I just checked Note 249212.1 -- it appears to be available (though I've recently heard that some updates to that document are in the works).  If you're having trouble accessing it, I'd recommend logging into Metalink first, and then clicking the Note's link in my article.  Let me know if you continue to have trouble with that.Regards,Steven

Posted by Steven Chan on May 30, 2007 at 02:12 AM PDT #

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