Re: [Fwd: Re: [Xen-users] Installing Xen on CentOS]

["Gino LV. Ledesma" <gledesma@xxxxxxxxx>]

I'd love to help out in building the RPMs. I recompile a lot of RPMs
(and most are easy since the SRPMS for Centos/RHEL are available) and
wouldn't mind contributing. :-)

I'm currently running Centos 4 dom0s and domUs, and MySQL is one of
the biggest thorns since it was built against NTLM.

As for going back on topic...

This is what's in my grub.conf:

title Xen 2.0.6 / Centos 4 2.6.11
    kernel /xen.gz dom_mem=524288
    module /vmlinuz-2.6.11.10-xen0 root=LABEL=/ ro nousb
    module /initrd-2.6.11.10-xen0.img


Assumptions:
- I have a dedicated /boot partition so everything is relative to
that. Otherwise, you'd be putting in /boot/xen.gz,
/boot/vmlinuz-2.6.11.10-xen0, and /boot/initrd-2.6.11.10-xen0.img
- I put the 'nousb' option there as recommended for the Dell PowerEdge 1850s
- The initrd I made for myself. You can use Centos's included initrd
initially if you want, though don't be surprised to see errors when
loading modules during startup.

To create your own "clean" initrd, boot into the system and type the following:

# mkinitrd /boot/initrd-2.6.11.10-xen0.img 2.6.11.10-xen0

This assumes that your kernel version is 2.6.11.10-xen0. man mkinitrd
for more info.

HTH,

gino ledesma


On 5/31/05, John Fairbairn <webmaster@xxxxxxxxxxxx> wrote:
> Your going to run into some more gotchas in centos-4. I have been running
> it since it came out...
> The BIGGEST problem is that BerkelyDB in CentOS-4 has been compiled with
> mutexes and NTLM, which xen does not support, therefore you will run into
> some limitations, as a result, many of the packages compiled against bdb
> are NTLM enabled as well. If there are any rpm making guru's out there,
> I'd love to host a repository of rebuilt rpm's (non-ntlm) that fully
> 'xenify' CentOS-4. Other than the NTLM issue... CentOS-4 has been running
> great with xen. I run a CentOS-4 dom0 and numerous CentOS-3.4 and CentOS-4
> domU's.
> This is just a heads up for all out there using CentOS-4.
> 
> Cheers,
> John Fairbairn
> 
> PS - if anybody's already done the work of building these rpm's, i'd love
> to get them from ya...thanks :)

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