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VMWare Configuration

Posted on 2012-09-17
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Hi,

I am learning on VMWare but would like to ask some questions in regards to configuring VM's.

I have a new Dell R720 Server, it has 2 x 6 Core CPU's (12 cores @ 1.999Ghz each), 32GB Memory and 600GB (RAID10) SAS Storage, quite high specs. I also purchased VMWare Essentials Kit.

I am wanting to setup at least 4 x Windows Server 2008 R2 VM's on this host. One of these will be for vCenter only as i heard some ports it uses conflicts with Active Directory.

Can someone advise what sort of resources i should allocate in VMWare to these 4 x VM's? In particular memory and cpu allocations and limits plus any other non obvious settings that experts here may of found.

Any help extremely appreciated.
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Question by:tmaster100
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by:rindi
ID: 38404652
It depends on what tasks each of the VM's will be doing. Generally you can use the default CPU assigned by ESXi, and the RAM and Disk space assigned to each VM would be the same as you would use on real hardware (SQL, SBS and Exchange servers generally need more RAM than file servers or pure DC's would use). Also the number of users connecting to the servers at the same time make a difference.
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by:tmaster100
ID: 38404685
Hi,

None of the servers will be given a hard time. We don't use exchange but use another mail server software package.

Is there a benefit of applying a "guaranteed" figure of say, 4GB Ram and unlimited cap? Also in terms of CPU usage, do you allocate 2 cores or more per VM?

Shame there is no table of settings to work with somewhere.
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rindi earned 2000 total points
ID: 38404692
For that you should just take the defaults you are given (or go for 8GB RAM per VM). I wouldn't change the CPU settings.

As I mentioned RAM and HD should be the same a physical machine has that does the same tasks. Normally you don't really need to worry much, and in case there are performance issues you can always change the settings later.
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by:tmaster100
ID: 38405163
Hi,

The current setup has :

Memory Size : 4GB
Memory Limit : 8GB
Memory Reservation : 0GB
Virtual Socket : 1
Cores Per Socket : 2
CPU Shares : Normal
CPU Reservation : 0Mhz
CPU Limit : 3998Mhz

I guess i must ask do i need to Reserve and Memory or CPU values for each of the 4 x VM's?

Cheers.
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Expert Comment

by:rindi
ID: 38405240
No, just use those defaults.
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