VMware VM Setup and Memory Allocation


I have a IBM x226 Server that is just running one VM at the moment on vmware esxi 4.1 free

Its has 2 x Xeon 3.2GHz CPU adn 4GB of Ram and 2 x 1TB HDD in Raid1

The VM running is a Windows 2003 Std server that is almost redundant in the infrastructure, just running as a FS realistically, i have 3GB of RAM allocated to it and 2 vCPU

The Hard drives have plenty of space on them at this stage over 500GB

I have a physical Server also which is a SBS 2003 that has now been made redundant after the move to Office 365 but we are keeping it for a little longer for the AD Directory DHCP etc.

I would like to move it to the ESXi Server but as you can see memory is short.

Is there a way i can do this with throttling or something like that, i haven't really got into that side of ESXi yet or maybe share the 4GB with the two servers.

I know its not perfect but i am wanting to get rid of the physical server as we are now going to build a new server that will run Windows 2012

The 4.1 ESXi server will not be to far away from being decommissioned all together.

Thanks Adam
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
4GB of Host Memory is very small.

Why not try reducing the memory in the Windows 2003 server VM, and allocating 1GB each, to each server, and checking performance.

If you exceed 4G  of memory, the servers will stack swapping to disk, and performance will be poor.

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Alessandro ScafariaInfrastructure Premier Field AdministratorCommented:
My guess the only issue here is the IT budget......you have to convince your managing persons to consolidate your IT infrastructure....

Do not take other risks......buy at least other RAM modules.....how are you performing for example your VMware VM backups?

Backups are equal important as the running VMs!!!
Manojkumar RaneCommented:
You can move the SBS server on ESXi host using vCenter standalone converter. Then reconfigure the memory allocation for FS server and assign 2 GB memory for each VM.
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cdsausAuthor Commented:
The SBS server will be getting decommissioned soonish, so will 2GB run ok on both servers and will each server use more if the other one isn't requiring as much

Thanks everyone

Backups are using Trilead VM backup

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
4GB for a host server is small, my mobile phone has more memory, than your Host Server.

If your host only has 4GB, and you want to allocate 2GB to each server, it's not enough!

There will be no memory left for the host! (ESXi!).

If you define 2GB on Server A, and 2GB on Server B, they cannot use more memory than what has been allocated in their VM Memory settings.

Upgrade the Memory in the Host Server.
cdsausAuthor Commented:

Are going to upgrade Server i think

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
That would be best. 4GB extra would help!
cdsausAuthor Commented:
Thank again

Going with new Server Upgrade and be done with it

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