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Does VMWare ESX allow virtual machines to access resources from other servers it is not running on?

Posted on 2008-06-10
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Last Modified: 2010-05-18
So, you have a virtual machine running on one physical server, you use all the resources on that server and still need more respurce, can you add resources from another physical server to the virtual machine?
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Question by:LFCNZ
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larstr earned 125 total points
ID: 21757508
A virtual machine will only run from one particular host at one particuar time, so you will not be able to let one virtual machine get it's resources from several hosts.

What ESX with DRS can do, is to load balance all your virtual machines across your ESX hosts so that a single ESX host isn't too heavily loaded while others are idle. It can do this without any downtime of the virtual machines by using VMotion.

Lars
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by:LFCNZ
ID: 21757757
Thanks Lars, thats what I wanted to know.

In regards to DRS, so it automtically will take a whole virtual machine from a host that is running low on resources and move it to a host that has more resources available?
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by:larstr
ID: 21757830
That's correct. DRS will move the whole virtual machines to balance the load on your servers. And it does this without any service disruption.

Lars
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