ESXi 4 memory usage

We lack an ESXi 4 server with 6 virtual machines - each with about 2 GB of memory. We have 6 GB of memory on the server. Everything worked very well, and I added an another vm with 2 GB of memory. It shows that 5362 MB of memory is in use, but all the vm have slowed and the Task Manager display memory is attached. Is this normal behavior for this to affect all the vm? It seems that the host has still nearly 800 MB free memory.

Thank you

Scott

It is 'Normal' when you have affected too much RAM to this degree...

1. you let memory on the host computer to run/use ESXi (1-2 GB one).

2 no more memory allocated to the execution of that virtual machine is that you actually have in the host. You have 12 GB allocated before you added the 7th VM, bringing up to 14 GB. More than two times the physical RAM in the host.

I'm running inside my ESXi 4 server with 16 GB of RAM. I got 9 VM (allocated) RAM total adds up to 14.5 GB. Memory usage is about 10 GB. I could run another couple of VM (safely), depends on the amount of RAM is allocated to each until I meet questions. You must watch your Resource Allocation settings. If you have reserved memory on a virtual machine, which off memory in the pool can be given to other virtual machines...

You have a few options to fix this...

1. turn power off all the virtual computer that you don't need to run.

2 remove the memory reservations on the virtual machine

3. reduce the amount of RAM to the virtual machine, so the amount you are trying to use is closer to what the actual capacity is.

4 increase the physical RAM inside the host.

VMware VCP4

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