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What's maximum memory of Virtual server?

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  • What's maximum memory of Virtual server?

    I have server HP model DL360-G6 with 2 chip quad core, 8 GB RAM, Windows 2003 R2 - 32bit.
    I created 3 VM Servers Windows 2003 R2 - 32bit in this server.
    I'm wonder can I setup memory of each VMServer = 2GB RAM ? Because I far as I know Windows 32bit supports only maximum 2GB memory for each process, also for VMWare service process in physical server, but total memory of VMServer = 2x3=6GB ?
    Thanks

  • #2
    Re: What's maximum memory of Virtual server?

    You can assign them all 2Gig of RAM, yes.
    32bit OS' can read a max of 2Gig of RAM.

    also for VMWare service process in physical server, but total memory of VMServer = 2x3=6GB ?
    Thanks
    What do you mean by this?
    "To err is human but to really **** things up requires a computer user..."

    "The path to enlightenment is /user/bin/enlightenment"

    A+ CE

    Comment


    • #3
      Re: What's maximum memory of Virtual server?

      Originally posted by Managor View Post
      You can assign them all 2Gig of RAM, yes.
      32bit OS' can read a max of 2Gig of RAM.



      What do you mean by this?
      I mean can I use (power on) 3 VM Servers at same time, each VM Server use 2GB RAM ?

      Comment


      • #4
        Re: What's maximum memory of Virtual server?

        You can yes. Assuming the host systems 2Gig of ram is enough to support all three of those running at once without hammering the system.
        "To err is human but to really **** things up requires a computer user..."

        "The path to enlightenment is /user/bin/enlightenment"

        A+ CE

        Comment


        • #5
          Re: What's maximum memory of Virtual server?

          Originally posted by Managor View Post
          You can yes. Assuming the host systems 2Gig of ram is enough to support all three of those running at once without hammering the system.
          Yes, my host server has 8GB RAM, but I'm still wonder how VM Ware service can manage total 6GB RAM of 3 VM Servers, it's 32bit process.

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          • #6
            Re: What's maximum memory of Virtual server?

            If it's 3 separate virtual clients, it's not using 6gb, it's using 2gb per each virtual client
            "To err is human but to really **** things up requires a computer user..."

            "The path to enlightenment is /user/bin/enlightenment"

            A+ CE

            Comment


            • #7
              Re: What's maximum memory of Virtual server?

              I think the OP is asking if his PC has 8GB of RAM and is running Windows 2003 32bit will the VMWare application be able to see all 8GB or just the 2GB.

              Which VMWare software are you using?

              Hobie

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              • #8
                Re: What's maximum memory of Virtual server?

                I use VM Server 2.0.1 (Webbase)

                Yes, what happens if I power on 3 VM Servers concurrently and each VM server's programs use maximum 2GB RAM (that means total = 6GB)?

                Can VM host manage more than 2GB ? (See my image also)
                Attached Files

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                • #9
                  Re: What's maximum memory of Virtual server?

                  I'm presuming you are using VMware Server here.

                  Is your host OS 32-bit???

                  In theory a 32 bit OS can only see a maximum of 4GB, its actually more like 3.25GB from memory.

                  Have a read through this

                  http://support.microsoft.com/kb/283037

                  You should be able to assign the 2GB to each VM and it would more than likely be successful as your VM's won't be using the full 2GB of memory at that time.

                  VMware has a system called memory over commit which basically means you can commit more memory to your VM's than you have in your system. I'm not sure however if thsi also applies to the VMware server product.

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                  • #10
                    Re: What's maximum memory of Virtual server?

                    My host is 32bit and has enough memory (8GB RAM), my question is about situation of memory of concurrent running of VM Servers

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                    • #11
                      Re: What's maximum memory of Virtual server?

                      Originally posted by ham_tim_hieu View Post
                      My host is 32bit and has enough memory (8GB RAM), my question is about situation of memory of concurrent running of VM Servers
                      have you actually tried to run the VM's and see what memory usage they have???

                      I have 4 machine open now, 2 ESX 4.1, Server 2003 and XP x64.

                      Both ESX boxes have 2GB RAM, Server 2003 has 1GB RAM and XP x64 has 1GB RAM.

                      This is all on a laptop running Workstaion and has 4GB RAM installed.

                      There are 4 instances of VMware-vmx.exe running and each is using the following memory

                      22952KB, 19932KB, 19708KB, 22250KB respectively.

                      My system is currently using 3.4GB of memory at this time and i'm running a fair few background apps and doing some other bits and pieces.

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                      • #12
                        Re: What's maximum memory of Virtual server?

                        But your laptop is 64 bit, my host is 32 bit

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                        • #13
                          Re: What's maximum memory of Virtual server?

                          Originally posted by ham_tim_hieu View Post
                          But your laptop is 64 bit, my host is 32 bit
                          My laptop was running as a 32 bit OS prior to this with the same amount of memory.

                          CPU has nothing to do with the amount of RAM.

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