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From Indra Pramana <>
Subject Re: Add new KVM hypervisor host into CloudStack
Date Sat, 01 Feb 2014 13:39:53 GMT
Hi Sugandh, Serge and Lucian,

Good day to you, and thank you for all your replies!

What I can conclude is that CPU is important to be exactly the same -- to
allow the capabilities of live VM instance migration from one host to
another. However, chassis and motherboard doesn't have to be the same --
it's normal to bring in better servers over time. Please CMIIW.

Will try ordering the server now and will update again if I encounter
further issues. Thanks!


On Thu, Jan 30, 2014 at 5:45 PM, Nux! <> wrote:

> On 30.01.2014 08:57, Indra Pramana wrote:
>> Hi,
>> It's time for me to add new KVM hypervisor host into our CloudStack and I
>> read these requirements:
>> 4.2.0/html/Installation_Guide/hypervisor-kvm-install-flow.html
>> - Same distribution version, is it referring to same OS and version? E.g.
>> Ubuntu 12.04 (Precise)?
>> - All hosts must be homogenous, does it mean that the new server has to be
>> exactly the same chassis, motherboard, type of CPU and RAM? Can I use a
>> different type of chassis and motherboard, but use the same type of CPU?
>> Thank you.
> Yes, I think the CPU is the important bit here and imho it should be equal
> or better than what you have if you want certain stuff like live migration
> to work. This is especially important if you use host-passthrough for CPU
> type. I do not think anyone expect you to have indentical servers
> throughout your setup; it's normal to bring in better servers as time
> passes.
> Lucian
> --
> Sent from the Delta quadrant using Borg technology!
> Nux!

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