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<p class="MsoNormal"><span lang="EN-US">Hi everyone,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">While I was figuring out how to implement the support for IBM POWER in the oVirt engine, I stumbled into an use case that can cause some confusion.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">During the creation of a cluster, you can choose an empty processor name if you do not select the option "Enable Virt Service". As a result, it is possible to create a virtual machine inside a cluster without any attached
hosts. So, if you create a VM this way, it is impossible to decide in which architecture it will run (if it is either x86-64 or POWER). Without knowing this, the engine cannot show the proper list of device models (for networks, disks, displays, ...) in the
frontend.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">It raises some questions:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">- Why oVirt allows the creation of clusters without a processor name?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">- What exactly is the "Virt Service"? Why are the processor related checks only executed if this service is enabled?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">- How can this use case be solved? Should the engine always enforce a proper CPU name in all clusters?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">- If the engine enforces every cluster to have a CPU name, what should be done in the default Cluster?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Vitor<o:p></o:p></span></p>
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