[Novalug] hosting VMware -- virtualization generally

gregory pryzby greg@pryzby.org
Fri Aug 31 11:19:18 EDT 2007


We need a talk on Xen.... 

On Fri, Aug 31, 2007 at 10:26:59AM -0400, Paul D. Bain wrote:
> ---- Original message ----
> >Date: Fri, 31 Aug 2007 01:11:20 -0400
> >From: Dan Arico <dan_arico@aricosystems.com>  
> >Subject: Re: [Novalug] distro choice for hosting VMware for linux challenged DR  
> >To: novalug@calypso.tux.org
> >
> >On Fri August 31 2007 12:27 am, Chris Rogers wrote:
> >> Eep, a virtualization thread.  Yes, you may notice and flame the self
> >> serving sig.  Don't care.  Deal with it.
> >>
> >> I promise not to go into the huge sales pitch about Xen.  If anyone is
> >> interested, happy to send you all the materials you can chew on
> >> off-list.  I do want to address a couple of things from the thread,
> >> though:
> >
> >Could we get a talk about Xen at a meeting? This is something that really 
> >interests me.
> >
> >Dan Arico
> 
>      I would welcome a talk on Xen, too, but would prefer to hear a talk about server virtualization in general rather than a talk about Xen in particular. I am currently struggling with this issue at work, where I am trying to decide whether to use VMware (desktop edition), Xen, or one of the many other virtualization options. I investigated virtualization yesterday on Wikipedia.org and was astounded by the number of options that I discovered. Apparently, there are many _types_ of virtualization as well as many softwares that attempt to provide it. Furthermore, VMware apparently provides virtualization in a way that is completely different from Xen. For example, VMware installs _atop_ an operating system (O/S), whereas Xen is apparently loaded by a boot loader (e.g., Grub or LILO) at boot-time. IOW, Xen does _not_ run atop an O/S. Until recently, I was unaware of this fundamental difference between VMware and Xen.
> 
> Sincerely,
> Paul Bain

-- 
greg pryzby                              greg at pryzby dot org
fingerprint: 8A1A DB90 869F 5DD1 D6E9 EEB6 C156 6B04 849F A86F
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