If you are thinking on using Xen, this link might provide you with some clarification about CPU requirements. http://support.citrix.com/article/CTX123491?_ga=1.929334.668244781.1422273077
As far as I understand, when creating a cluster you should match CPUs. The amount of memory in each host does not need to match. On Mon, Sep 28, 2015 at 6:38 PM, Ron Wheeler <rwhee...@artifact-software.com > wrote: > > http://docs.cloudstack.apache.org/en/master/concepts.html#what-is-apache-cloudstack > In "About Clusters" it says: > "The hosts in a cluster all have identical hardware, run the same > hypervisor, are on the same subnet, and access the same shared primary > storage." > > Later in the "About Hosts" it says > "May have different capacities (different CPU speeds, different amounts of > RAM, etc.), although the hosts within a cluster must all be homogeneous". > > The use of "identical" and "homogeneneous" to describe hardware is > confusing. > IMHO you don't have "identical" hardware if you have different "CPU > Speeds" and "different amounts of RAM" and different "etc." > > What exactly should be said about Cluster hosts? Is it sufficient to have > the same CPU family? > How far can you stray in the same family? > Can a host with an AMD Opteron 6300 be in the same cluster as one based on > the AMD Opteron 6200? > > Is there any way to clarify these 2 sections on the same page and replace > "identical" and "homogeneous" with a clearer description of what is > required. > The cluster comment in the Host section should probably be removed or > replaced with a reference to About Clusters to avoid having duplicate and > possibly conflicting information. > > Ron > > > -- > Ron Wheeler > President > Artifact Software Inc > email: rwhee...@artifact-software.com > skype: ronaldmwheeler > phone: 866-970-2435, ext 102 > > -- Rafael Weingärtner
