VMGuru.nl – I choose (a virtual) life!

We talked about licensing Windows Server on a VMware environment but that’s only one part of the licensing nightmare. You will also need client access licenses also called CALs.

Client Access Licensing

In addition of the Windows Server 2008 License you also need a Windows Server 2008 Client Access License also called CAL. This is required for each user or device (or combination of both) that accesses or uses the Windows 2008 software.

Requirements

Every user or device accessing the Windows Server 2008 needs a CAL. You don’t need a CAL when:

• You access the instance of server software only through the internet without being authenticated or individually identified by the server software;
• You access Windows Web Server 2008;
• If external users are accessing the instances of server software and you have acquired a Windows Server 2008 External Connector License for each server being accessed;
• You only administer the server software with two devices or users;
• You use the Windows Server 2008 solely as a virtualization host.

The last point doesn’t impact us much because we use VMware ESXi solely as our virtualization platform.

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As a reaction on the Citrix program to trade in your VMware View licenses for XenDesktop, VMware comes with a program to trade in your XenApp licenses for VMware View.

The trade in program is quite simple: For the price of 3 years XenApp SA (€ 182,-) you will get View Premier and 3 years SnS.

VMware’s offer differs from the one from Citrix in a few way’s.

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Last week a colleague, who sells applications running on an Oracle Database, had some questions regarding Oracle and running it in a Virtual Machine (VM) on top of a VMware infrastructure with a customer.

1) How to license Oracle in a virtual environment?

I pointed him to an article about licensing the Oracle software in a virtual environment I wrote some time ago.

Oracle can namely be hard- and soft partitioned, where VMware, XenServer, Hyper V and Oracle VM are all marked as soft partitioning, while looking into the way Oracle VM can be hard partitioned I stumbled on the following how to do it:

There are two methods to pin virtual CPUs. You can use the xm command to pin a guests’s virtual CPUs or you can hardcode the CPU mapping in a guest’s vm.cfg file. The difference between pinning CPUs with xm and hard coding the CPU mapping in a guest’s vm.cfg file is the persistence of the CPU mapping. CPUs that are pinned with xm are not persistent between reboots. Hard coding the CPU mapping in a guest’s vm.cfg file is persistent between reboots. To comply with Oracle’s hard partitioning policy, you must hardcode the CPU mapping in a guest’s vm.cfg file.

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A couple of weeks ago I talked to a co-worker who is responsible for selling VMware licenses and other VMware related stuff. As a VMware partner it isn’t always easy to manage the licenses for customers nor selling or upgrading their licenses if they bought them from another partner in the past.

A lot of the times multiple people register VMware licenses. For example, if I am the person that has to request or register licenses I probably will do it with my own VMware account. If I leave the company the licenses still are connected to me as a person. I know you can use a general account and register your licenses with that, but that goes against anything I ever learnt about security and identity management.

If you already have licenses there is also no easy way to ‘push’ them to another account, for example a general account. You can do this through the support desk, but takes all kinds of effort.

From a viewpoint of the license admininstrator it’s hard to keep track of all licenses that a company has for VMware products.

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After some hard pushing and nudging with Oracle sales the last couple of months I almost became a Oracle licensing guru. Not what I had in mind and was aiming for to be honest. While completing some business cases about virtualization for several customers, Oracle products became a hot issue again.

The Oracle Soap

I advised the customer to be careful about mentioning that they were striving for virtualizing the Oracle servers on VMware. The Oracle account manager could smell blood and would jump on the band wagon to let them pay for their attempt to make the infrastructure flexible and ready and supportive for a fast changing business. So the first thing what happened when the Oracle account manager heard the word virtualization was that he mentioned to the customer that it would cost at least 200K Oracle licensing costs even without knowing what the customer was pursuing.

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The world of licenses and subscription models is a complex whole, by adding a virtual component it even got more complex. Virtual machines aren’t bound to one physical server and can move freely across several physical servers or even in and out of a cloud. Fortunately more and more software vendors are changing their license and/or subscription models in favour of virtualization. Giving companies back their freedom of choice how they would like to arrange their infrastructure to support their business.

Also Red Hat changed their subscription plans in favour of virtualization. Red Hat Enterprise Linux often abbreviated to RHEL doesn’t have a license model because it’s based on open source Linux and has a GPL license. What you will not get if you do not pay a subscription fee to Red Hat is any updates and support. As a professional business you would like some insurance so I would advise to get a valid subscription on Red Hat products.

To save money on RHEL subscriptions on a VMware infrastructure there are three options to subscribe a virtual machine running RHEL. You can:

1. Subscribe 1 virtual machine running RHEL, also called 1 on 1 subscription;
2. Use Red Hat Enterprise Linux Server with 2 Socket – 4 Guest for VMware subscription to subscribe 4 virtual machines with 1 special subscription.
3. Use Red Hat Enterprise Linux Advanced Platform with Unlimited Socket – 10 Guest for VMware subscription to subscribe 10 virtual machines running RHEL.

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