[Xen-users] Re: VMWare and xen comparison

[Charles Duffy <cduffy@xxxxxxxxxxx>]

Shahzad Chohan wrote:
> 1. Installation. Having tried to install xen hosts, I have found it to 
> be difficult. The problem I find is that I have to reboot my server to 
> install a new host as I can't install from cd without rebooting. 
> Alternativly vmware allows me to install from cd a new hosts without the 
> need to reboot the server and shutdown the other hosts. Yum 
> installations are pain. What ways are there to get round this problem 
> say in a redhat or fedora installation?
Do you mean setting up a new system as a Dom0, or adding new DomUs? The 
former absolutely requires rebooting if not running the hypervisor and 
an appropriate kernel already (this being a deep enough design 
requirement that despite not being in any way part of the dev team I'm 
on quite safe ground saying it won't change, at least until major OS 
distributions come with Xen out-of-the-box). If you're discussing adding 
new DomUs, on the other hand, this absolutely should not require 
rebooting, and if you could be a little more specific about what you're 
doing that *does* require you to reboot, perhaps we could help you find 
a different procedure. (What's this "install from CD" bit, for instance? 
What exactly are you installing? Why are you booting off a CD to do it?)

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