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Message from discussion Ganeti Structure

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Date: Fri, 31 Aug 2012 05:51:15 -0700 (PDT)
From: j b <jwbens...@gmail.com>
To: ganeti@googlegroups.com
Message-Id: <9baaa018-4c21-45c3-bf89-1be6d5ad4343@googlegroups.com>
Subject: Ganeti Structure
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Howdy all,

I am playing around with Ganeti and I would like to clarify the structure 
of Ganeti and it's terminology, to ensure I can use it as I wish, 
or change my design if I am mistaken.

Imagine two physical nodes (node1 & node2) and two different virtual 
machines (guest1 & guest2). If I have understood the Ganeti docs correctly, 
I would like to set up two clusters (cluster1 & cluster2).

Cluster1 has two nodes (node1 & node2) and I would like to then set up an 
instance of guest1 on this cluster so that it runs on node1 as the primary 
node1, and would spin up on node2 if node1 failed.

I would like cluster2 to also consist of two nodes (the same node1 & node2) 
and on here bring up an instance of guest2 where node2 is the primary node, 
and in a failure of node2 guest2 would spin up on node1. So these two 
physical servers are failing over to each other.

Can Ganeti run more than one cluster on the same node1? Or have I 
miss-understood and under one cluster comprising of these two nodes I can 
run two different instances and have different primary nodes per instance?

Many thanks for your time all.

P.s. Loving Ganeti so far, I hope it can do what I require as it seems very 
powerful!

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Howdy all,<div><br></div><div>I am playing around with Ganeti and I would l=
ike to clarify the structure of Ganeti and it's terminology, to ensure I ca=
n use it as I wish, or&nbsp;change&nbsp;my design if I am mistaken.</div><d=
iv><br></div><div>Imagine two physical nodes (node1 &amp; node2) and two di=
fferent virtual machines (guest1 &amp; guest2). If I have understood the Ga=
neti docs correctly, I would like to set up two clusters (cluster1 &amp; cl=
uster2).</div><div><br></div><div>Cluster1 has two nodes (node1 &amp; node2=
) and I would like to then set up an instance of guest1 on this cluster so =
that it runs on node1 as the primary node1, and would spin up on node2 if n=
ode1 failed.</div><div><br></div><div>I would like cluster2 to also consist=
 of two nodes (the same node1 &amp; node2) and on here bring up an instance=
 of guest2 where node2 is the primary node, and in a failure of node2 guest=
2 would spin up on node1. So these two physical servers are failing over to=
 each other.</div><div><br></div><div>Can Ganeti run more than one cluster =
on the same node1? Or have I miss-understood and under one cluster comprisi=
ng of these two nodes I can run two different instances and have different =
primary nodes per instance?</div><div><br></div><div>Many thanks for your t=
ime all.</div><div><br></div><div>P.s. Loving Ganeti so far, I hope it can =
do what I require as it seems very powerful!</div>
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