Tools for Vmware and Hyper V sizing


I want to use hyper v or vmware to virtualise a couple of server..

So i need a good tools to be able todo some sizing
CPU sizing;
Memory sizing;
Storage sizing;
Network sizing.

please help
Williams225System AdministatorAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You could try

Microsoft Assessment and Planning Toolkit

If you have many servers, you could contact a VMware Partner, to ask about the Capacity Planning Service,

VMware Capacity Planner

This is a service you purchase through VMware Partners.

Sometimes, it's just as easy to use a spreadsheet, and total Memory and Storage Required, and work on a rule of thumb of 5-6 VMs per Physical Core.

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How many servers are we talking about? You might be able to just do this manually. Are any of your servers extremely loaded right now?

RAM is pretty easy, add up the RAM from all your existing servers, and then consider doubling that or more for your virtual environment. I say that because it is easy to add more RAM to a VM, so you might want to give a VM 2 GB RAM when the physical server only had 1, or maybe take your database server from 2 GB to 6 GB. You will probably end up adding additional VMs in the future, so having extra RAM will be needed for that.

Network is really easy. If you have normal workloads and are doing just several servers, the gigabit Ethernet that is on your host is fine.

Unless you are running compute intensive workloads, any single modern quad low end core Xeon CPU is way more than what you need.  

Storage is the hardest part. There is capacity, which is pretty easy because you add up the amount of space in use by each server and then add a healthy margin, but you also need IOPS performance. I believe that the Microsoft Assessment Planner can get this for you, or you can manually run perfmon on all your servers. Track physical disk IO per second, and add that up for all of your servers. Your physical storage system needs to be able to provide enough random IOPS for all of your VMs.
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