I am not sure if it's a VMware or Windows issue, but perhaps somebody has seen this before and can enlighten me ;-).
I have a VM with 8 GB RAM configured (VC reports 8192 MB, fine so far). But when I have a look at msinfo32 inside the VM it reports 7935.26 MB. So I wonder where the missing 256.74 MB have gone to.
The VM is a Windows Server 2003 Standard R2 x64 with SP2 applied. It has been sysprepped from a template (template was installed with 1 GB RAM).
ESX is V3.0.1 with the following patches: ESX-1006511, ESX-1410076, ESX-2257739, ESX-2559638, ESX-3199476, ESX-4825991, ESX-5031800, ESX-5095559, ESX-5140477, ESX-5885387, ESX-6431040, ESX-6704314, ESX-6856573, ESX-7302867, ESX-7408807, ESX-7557441, ESX-9916286, ESX-9986131
ESX is standalone, no VirtualCenter involved.
Host is a HP DL380 G5, 2x X5160 (VT enabled), 16 GB RAM, local storage.
This could simply be an artifact of the legacy Intel 440LX chipset that VMware uses as their virtual hardware foundation. Perhaps the >4GB memory is getting reduced by 256MB due to PCI bus overlay address space. I'm not completely sure, though... I don't have that much memory to test!
Hi Paul ,
This could simply be an artifact of the legacy Intel
440LX chipset that VMware uses as their virtual
hardware foundation. Perhaps the >4GB memory is
getting reduced by 256MB due to PCI bus overlay
Sounds plausible (perhaps some of the VMware guys around here could add a statement...?).
Just checked a 2 GB VM (W2K3 Server Standard x32 SP1, 2048 MB according to VIC), msinfo32 shows 2047.38 MB, which is roughly the same as with a physical (Proliant DL380 G4, same OS) equipped with 2 GB, there msinfo32 tells me 2047.47 MB (so it seems it is not a VMware issue...).
I will wait some days if either someone or myself can confirm this before awarding points (at least one of the "helpful" will go to you...).
I'm not completely sure, though... I
don't have that much memory to test!
Neither did I until this week, but I finally could convince my bosses to set up a new testing environment with some rather "big" ( 4 - 8 GB) but rarely (and seldom at the same time) used, usually moderately loaded servers to ESX instead of buying a bunch of dedicated servers of this spec