Mailing List Archive: A few questions

A few questions

Feb 1, 2005, 5:04 PM

Post #1 of 3 (168 views)

Hi,

I've just heard about Xen, and I'm thinking about using NetBSD 2.0 + Xen
as a virtual server solution. However, I have a few questions to ask:

- I see there is no port for x86_64 yet; The server I'll be running xen
from will be a Dual AMD Opteron 64 bits. Will Xen correctly work in
32-bit mode?

- No support for SMP on guest OS, right?

- Could you please enlighten me about the internals of xen, regarding
network? How does it establishes the network with the host system? Can I
run a firewall on a virtual server without any problems ?

- According to the site, a FreeBSD port should be close. Is there any
date we can expect Xen ported to FreeBSD?

- Any plans to port to OpenBSD?

Xen seems like a great product; I'll love to try it out, even without
SMP on my guest OSes! Very nicely done guys, I'll watch this project
grow :-)

Best Regards

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RE: A few questions [ In reply to ]

m+Ian.Pratt at cl

Feb 1, 2005, 5:19 PM

Post #2 of 3 (166 views)

Permalink

> I've just heard about Xen, and I'm thinking about using
> NetBSD 2.0 + Xen
> as a virtual server solution. However, I have a few questions to ask:

As far as I'm aware, NetBSD is only supported as a guest, not domain 0
('host' in vmware speak).

> - I see there is no port for x86_64 yet; The server I'll be
> running xen
> from will be a Dual AMD Opteron 64 bits. Will Xen correctly work in
> 32-bit mode?

Yes.

> - No support for SMP on guest OS, right?

There is prototype support for SMP linux 2.6 guests.

> - Could you please enlighten me about the internals of xen, regarding
> network? How does it establishes the network with the host
> system?

You can use bridging or routing in domain0.

> Can I run a firewall on a virtual server without any problems ?

Yes.

> - According to the site, a FreeBSD port should be close. Is there any
> date we can expect Xen ported to FreeBSD?

FreeBSD is available for testing -- see the list archive (Kip Macy).

> - Any plans to port to OpenBSD?

Not as yet, but its certainly possible.

Ian

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Re: A few questions [ In reply to ]

Mark.Williamson at cl

Feb 1, 2005, 5:19 PM

Post #3 of 3 (166 views)

Permalink

Ian's answered the rest, so I won't duplicate what he's said. I wanted to
expand on this, however:

> - Could you please enlighten me about the internals of xen, regarding
> network? How does it establishes the network with the host system? Can I
> run a firewall on a virtual server without any problems ?

From a configuration point of view, it's as if dom0 had a dedicated NIC for
each guest NIC, connected by crossover cable. Configuring guest networks is
then just like setting up a Linux machine with multiple NICs. Bridging,
routing, firewalling, etc should all work fine.

> - Any plans to port to OpenBSD?

Lots of people have talked about it but AFAIK there's nobody working on it
right now.

Cheers,
Mark

> Xen seems like a great product; I'll love to try it out, even without
> SMP on my guest OSes! Very nicely done guys, I'll watch this project
> grow :-)
>
> Best Regards
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting
> Tool for open source databases. Create drag-&-drop reports. Save time
> by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc.
> Download a FREE copy at http://www.intelliview.com/go/osdn_nl
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/xen-devel

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