Virtualising our network. How would you do it?
How would you do it? I am in the planning stage for implementing a virtual network. We currently have 6/7 servers. They are mainly server 2003 so I would be looking to upgrade to server 2008 R2.
1 x admin (which runs our MIS)
3 x curriculum (User accounts and file storage)
1 x VLE Server (Moodle)
1 x test server
1 x Exchange 2010 (Soon to be, just installing and setting up now)
We have around 400 desktops and 80 laptops.
From reading these forums a decent setup would be one physical DC and 2 virtual servers (clustered & both DCís) and a SAN. This would allow for a failure on any of the servers and the network would carry on running using either VMware or Hyper-V. VMware is looking like my preferred solution but this is purely personal preference.
1. Did any of you have to upgrade your switches / network backbone prior to virtualizing. Our switches are probably at least 5 years old and having a current issue with switches crashing when running large backups across the network using backup exec with a backup server at the opposite end of the school.
1a. What speed switches, type of cabling, bandwidth do you use on your virtual network?
2. Would you go for one physical DC and 2 virtual servers (both DCís) and a SAN? Or would you approach it differently?
3. How long do you keep your desktops? We currently refresh most after 3 years but I was thinking we could probably get 5-6 years out of them virtualized as the demand on the actual desktop is less.
4. How do you know what spec servers to get for a virtual setup?
I know enough about virtualisation but want peoples opinions and experience of setting it up and helping to draw together a plan.