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how to distribute RAM to a guest Machine for best performance ?

Hello , I'm about to create a guest machine in VMware station, and here is my host machine specification :
  Windows Vista 64 bit
  Memory :  6G
  Cpu : AMD Quad core

Would you show me how to share memory for guest machine in Windows 7 ( or Vista )  to make it work great without slowing down the host machine ?Thank you so much !!
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chuong3t
Asked:
chuong3t
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1 Solution
 
kumarnirmalCommented:
What is the purpose of the Guest VM ?
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chuong3tAuthor Commented:
I'm about to create a Windows 7 for guest VM .Just for testing, but I don't want to make it with a minimum requirement.
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aldanchCommented:
Microsoft recommends running Windows 7 with 1GB RAM, but you can run it with less if you need to. Also, make sure your BIOS has the AMD-V virtualization enabled (some manufacturers disable this by default).  

You can also assign it to a particular CPU core as well (not necessary, but an option nonetheless).
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chuong3tAuthor Commented:
what happen if I set Windows 7 with 2 or 3G for RAM? Does it make my host machine perform slower ?
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aldanchCommented:
Your mileage may vary (YMMV), depending on what applications are running in tandem - on your Windows 7 VM and on your host. Provisioning a VM with 2-3 GB of memory doesn't mean that it will constantly use 2-3GB, although this stilll depends on what applications are installed and running in your VM.  
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chuong3tAuthor Commented:
Is it right if I say I have 6G ,then split 3G RAM for Windows 7 (guest machine)  and 3G Ram for Vista ( this Vista is a host machine), then each OS just works in each 3G Ram I set or they will share within 6G I have.And  what if i have 2 VMs both in Windows 7 ,and 3G memory for each windows 7 ? Would you tell me what happen to Vista (host machine ).
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aldanchCommented:
While it's possible to do this, Vista won't be a happy camper when you've allocated all your memory (that VMware Workstation allows you to max out - it won't be 6 GB) to your VMs. What are you trying to accomplish exactly?
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chuong3tAuthor Commented:
Let's say I am running on a Vista Home and it is my host machine. I want to create 2 windows 7 as a guest and set 3G memory for each Virtual machine. Is that Ok ?
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aldanchCommented:
I suggest either upping your installed memory, so that Vista has at least 2GB to itself or reducing the memory for each Win 7 VM to 2GB each.
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chuong3tAuthor Commented:
I think I got what you just said. Because I don't understand how VMware distribute RAM to each Virtual Machine. Thank you so much
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