'Custom actions' of the CPU in the Resource Pools: should I also set the VMs child on "custom"?

Hello world

Imagine a VMware vSphere 4.1 cluster managed, of course, by vCenter Server, with some 4.1 ESXi hosts.

This cluster has 3 Pools of resources: development, Production, quality

Now consider that the Resource Pools have been initially implemented in the following way, about the 'actions' for 'CPU resources':

-Development: Shared low =

-Quality: Sharing = Medium

-Production: Sharing high =

Several virtual machines were placed in the Resource Pools. Some virtual machines are single vCPU, but others are vSMP ones: some have 2 vCPU and some of them have 4 vCPU.

Now, I read the following articles of the (large) put at disposal by Duncan Epping, VMware, in his blog "Yellow brick", on "Resource Pools" and actions:

The Resource Pool priority-Pie Paradox - yellow bricks [written by Craig Risinger]

Actions on Resource Pools

http://www.yellow-bricks.com/2010/12/14/shares-set-on-resource-pools/

Actions on a Resource Pool, custom scripted

http://www.yellow-bricks.com/2010/02/24/custom-shares-on-a-resource-pools-scripted/

Now, imagine that I have manually changed several Pools of resources from low/normal/high "Custom" and gave them the following values:

-Development: 3000

-Quality: 6000

-Production: 9000

The virtual machines inside each Resource Pool appear to be all set up to 'Actions' = 'Normal '.

I want to know is this:

1 - since I changed Resource Pool shares 'Low' / 'Normal' / 'High' to 'Custom', I should / need to change the 'actions' in each individual VM from "Normal" to "Custom"?

2 - I'm guessing that the sum of the actions of all virtual machines in a Resource Pool must be equal to the actions that I gave to this Pool of resources. Am I wrong?

3 - I also guess that the only practical way to make this change to Virtual PCs, if necessary, is to generate scripts, preferably using PowerCLI. Friend, I have right?

Thanks in advance!

See you soon,.

Ricardo

Whatever resources the resource pool level are applicable to this pool of resources and will get the part accordingly. So that resources will be divided between the virtual machines according to the shares they hold.

Example:-two pool of resources A and B.

Total cycles CPU = 10000 Cycles CPU

A part (custom set) = 6000 CPU Cycle.

Part B (custom set) = Cycle CPU 4000.

Now a resource pool has three virtual machines powered with shares.so high normal and low on this desire to cycles CPU 6000 cases divided among them in 4:2:1

VM1 have = 4 * 6000/7 = 3428 cycles cpu.

VM2 will get = 2 * 6000/7 = 1714 cycles cpu.

Vm3 will get = 1 * 6000/7 = 857 cycles cpu.

so according to your requirement, you can change your actions at the level of the virtual machine.

PS:shares come into picture when there is a conflict.

HTH

Tags: VMware

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