The Makefile pulls your config files from install/boot/config-*.
It is fine to modify the configurations as neceesary. Note that SMP
isn't available for guest OSes -- Xen currently only supports
uniprocessor guests, even though it itself is SMP capable.
-- Keir
> Hi everyone,
>
> I'm new to the list. I'm a systems admin at a multimedia company in New
> Zealand. I'm currently constructing a small cluster of dual Xeon machines
> which will host web sites in Xen VMs.
>
> I would like to stick with the 'best practices' of the Xen project in terms
> of
> managing the kernel source trees and builds, but I find that the default
> build contains a bit more than I would like, and not everything I would need.
> For example, I our cluster machines have RageXL graphics adapters, and
> therefore I would like to compile in framebuffer support so I can run X. Not
> critical, no, but I prefer it especially during my investigations.
>
> I am using the Xen 2.0 bk builds, and the host OS is Debian Sarge. Both seem
> to be close to stable releases and so hopefully my timing is going to be
> fairly good!
>
> Can I tell the default build system to use a modified .config file for the
> kernel build? From the looks of the makefile it appears that much more than
> patching and compiling is going on with the kernel, so if I do a make
> menuconfig and make my changes, am I able to install the kernel in the normal
> way?
>
> The support I'm adding is for SMP, hypterthreading, big memory, and ATI
> framebuffer support. I'd also like to pull out various bits and pieces --
> mostly drivers for hardware I don't have, as this would speed up the build
> process.
>
> Thank you for your time. I've been watching Xen with some interest for a
> while
> now and I'm thrilled that my employer has given me the go ahead to put
> together this cluster. I would like to feed the results back to the Xen
> project somewhere, especially where it pertains to performance of virtual web
> and database servers. It seems that the wiki has gone west (been dead for a
> while now), so perhaps it would be appropriate for me to submit stuff back to
> this list for archival purposes.
>
> (Speaking of the email archive, could it be modified for searching? I'm sure
> my questions have been asked before)
>
> One final question (and this is bound to be unpopular). I would like to have
> some idea as to how many virtual web servers I might be able to run on dual
> Xeon 2.8GHz machines with 4-12GB RAM. Our sites are typically LAMP, with
> medium sized databases. On average, our current web servers are 900MHz PIII
> machines that don't often get pushed very hard. Perhaps just some anecdotal
> accounts would satisfy my curiosity. I realize I'm not being too practical
> here -- my apologies! ;o).
>
> Thanks all for your time.
>
> Regards,
> Paul Dorman
> Systems Administrator
> CWA New Media Ltd.
>
>
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