How the DRS uses resources

I am trying to wrap the head around how DRS uses the memory of all hosts in a cluster. DRS moves just a virtual computer to another host with a more available memory or it somehow all the memory pool hosts affect these amounts as a result of the virtual machine based on it's needs (and the VM not migrated - remains on the host)?

Hope it makes sense.

Thank you

You can add a computer configured for 32 GB virtual memory, but it will not be able to access more physical memory than available from a single host, i.e. 20GB memory less a little overhead hypervisor. If attempts to use more than is physically available VM will be provided a swap file.

Tags: VMware

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