[Novalug] hosting VMware -- virtualization generally

[mikepodoherty at netscape.net]

Paul,



That depends on the version of VMware.  VMware ESX is more akin to 
Netware in that you have a bootable OS that loads a kernel.  Note:  
VMware ESX still sues Linux for the Console.



Having worked with VMware server, workstation and ESX, I really have to 
say my strong preference for a production environment is ESX.  (Note: I 
have also worked with Virtual Server from MS - since I won't use the 
kind of language that product requires in public, we'll pass on 
comments.)



HTH



Mike



-----Original Message-----

From: Paul D. Bain <paulbain at starpower.net>

To: novalug at calypso.tux.org

Sent: Fri, 31 Aug 2007 10:26 am

Subject: Re: [Novalug] hosting VMware -- virtualization generally





















---- Original message ----

>Date: Fri, 31 Aug 2007 01:11:20 -0400

>From: Dan Arico <dan_arico at aricosystems.com>

>Subject: Re: [Novalug] distro choice for hosting VMware for linux 
challenged DR



>To: novalug at 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

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