vtAlpha: a Green Machine

Aside from being a quick and easy way to prolong the life time of your Alpha applications, applying vtAlpha can be a serious contribution to lowering your energy consumption.

We ran a energy consumption measurement between an AlphaServer of average size and its vtAlpha equivalent. The results were significant.

A four CPU Alpha Server consumed 630 Watts. Its vtAlpha equivalent consumed only 230 Watts. 60% less energy consumption by using vtAlpha!

When you combine two of these Alpha’s on a single host, power consumption will drop from 1260 Watt to 290: 75% less!

Also, the energy candle burns on two ends: power consumption results in heat dissipation, which you have to cool down again, so the gain is x 2. When you have Green Goals to achieve vtAlpha will certainly help you.

And there is more.

We have developed the Eco App, allowing vtAlpha to cut energy consumption even further. Eco App shaves another 25% of your energy consumption. It is packaged with vtAlpha, you only have to add it to OpenVMS or activate it in a Tru64 installation. There are no downsides for its use, no performance loss or anything else, so we recommend to always activate it.

Green Machine

Please check your vtAlpha documentation, your vtAlpha support person, or ask us to contact you.

 

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vtAlpha Eco App: save on energy consumption and costs

When replacing your physical Alpha by its virtual equivalent in vtAlpha you will cut down your energy bill quite some since the Alpha computers were not exactly ‘Green Machines’. You can cut the energy bill even more by combining multiple virtual Alpha’s on a single host system.

Slash VAX/Alpha energy consumption by 80%

To further cut down the energy consumption we  developed the vtAlpha Eco App (Energy Conservation Application).

The vtAlpha Eco App (freeware) detects inactivity in the virtual Alpha CPU-usage and releases the host CPU(s) when this is the case. This downsizes the energy consumption (power, fans, cooling, heat dissipation) a great deal. Running the Eco App has no negative side effects and we recommend to install and activate it at all times.

Other virtual Alpha products run the Host CPU at full throttle, consuming lots of energy and wearing down the physical host fast, forcing early replacement. Using the Eco App on vtAlpha prevents this from happening.

The installation and activation method depends on the type and version of the guest operating system (OpenVMS/Tru64). For Tru64 v5 installations the Eco App can be activated by executing the ‘set ecoapp‘ command in console mode. For OpenVMS we developed a client package that needs to be installed in OpenVMS. A similar client for pre-v5 Tru64 versions will become available in the near future.

Ask your vtAlpha provider for the vtAlpha Eco App or contact our support people for more details.

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