Re: [Xen-users] Is Xen really a Type 1 Hypervisor?

[Casey DeLorme <cdelorme@xxxxxxxxx>]

Thanks Javier, that was much clearer than what I was about to send.

ESXi has a tiny control OS, which while lighter weight only targets server grade components.

In my situation my consumer motherboard (ASRock Z68 Extreme7 Gen3) has a Broadcom BCM57781 Dual LAN adapter, and ESXi did not have that driver so the system simply didn't work.

Simple answer, lacks driver flexibility.

On Mon, Apr 16, 2012 at 10:24 AM, Javier Guerra Giraldez <javier@xxxxxxxxxxx> wrote:

On Mon, Apr 16, 2012 at 7:47 AM, eva <evammg@xxxxxxxxx> wrote:
> Could you explain this
>
> "I tried ESXi, and switched to Xen specifically because the tiny
> built-in control OS doesn't support a myriad of consumer drivers,
> something that having a Linux control guest fixes."
>
> in a different way?

altought Xen itself manages CPU, VM switches, RAM, PCI access, and a
few other things; other, more 'external' hardware (mainly block and
network devices) is managed by Dom0 processes.  There you benefit from
the wide hardware support of Linux, in contrast to the small selection
of drivers available to VMWare


--
Javier

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