From: Mark Williamson (mark.williamson_at_cl.cam.ac.uk)
Date: Thu 04 Aug 2005 - 16:01:29 BST
Michal,
That's great to hear! Xen and Vserver are IMHO highly complimentary and it'd
be great to be able to use them together. The VServer patch (last time I
checked) was very nicely arch independent but I think it's quite a long time
since anybody has tried to run it on Xen - well done!
It'd be good if a reference to this patch could be added to the Xen wiki at
http://wiki.xensource.com so that other people know where to find it.
Can anybody tell me if Vserver is aiming for inclusion in the mainline at any
stage? I'd love to see it there and for it to coexist well with Xen.
Cheers,
Mark
On Wednesday 03 August 2005 11:20, Michal Ludvig wrote:
> Hi all,
>
> I used to run VServer in the past and recently gave Xen a try. I pretty
> much like both of these technologies - each of them has some advantages
> that the other one can't offer. I appreciate the real independence of
> Xen domains but the memory overhead of running a kernel for each domain
> and the need to partition the memory space may become a limitation. On
> the other hand in VServer the contexts run on top of the same kernel and
> may share the available memory which may come handy in some deployments.
>
> So I decided to merge both patches and surprisingly enough - it works! I
> don't now (yet) how stable it is but the kernel booted as domU and a
> guest vserver context was created, some prcosses are running inside and
> everything looks just fine.
>
> Versions used:
> * Linux kernel 2.6.11
> * Xen 2.0-testing from yesterday
> * VServer 2.0-rc4 (last version for 2.6.11)
>
> Apply the attached patch on top of these.
>
> Xen userspace is 2.0-testing as well, util-vserver 0.30.204 (debian
> build), running on Debian Sarge.
>
> My configuration was x86, statically compiled without modules, domU with
> no physdev access, 3G/1G memspace split on x86, no preempt, no selinux.
> What else?
>
> This is the very first shot, I don't guarantee that it is stable,
> secure, etc, but if you're brave enough give it a try ;-)
>
> Michal Ludvig
> --
> * Personal homepage: http://www.logix.cz/michal
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