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What can be the maximum RAM allocated to VM ?

asked 2013-06-21 08:22:40 -0500

daniel.coquette gravatar image

updated 2013-06-30 22:43:02 -0500

fifieldt gravatar image

Vmware claim that they can give 128 gigabytes of RAM for a VM, can Openstack do the same or even more ?

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answered 2013-06-21 09:45:16 -0500

sgordon gravatar image

updated 2013-06-21 09:48:53 -0500

The answer is hypervisor dependent, for instance if you use VMware hypervisors in your OpenStack environment then their theoretical maximums apply but would be different to if you used Hyper-V or KVM. The types of hypervisors currently supported in OpenStack environments are listed here:

As an example the current theoretical maximum memory limit for KVM guests is 2 TB (from the RHEL 6 KVM column):

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Asked: 2013-06-21 08:22:40 -0500

Seen: 2,162 times

Last updated: Jun 21 '13