Re: [Xen-users] how to retrofit DomU installation initrd w/ xennet/xenblk?

[List Subscriber <list-subscriber@xxxxxxxxxxxxxx>]

Thanks for the help. We do not use kickstart in our environment. All
installs have to be user driven and interactive, with the installation
media hosted over http.

I need a way to force the appropriate DomU network drivers (xennet?)
drivers to (pre)load when booting up the VM. Unless I'm missing
something, it seems strange that the RHEL/CentOS installation initrd was
packaged without the proper modules for an over-the-network install.

As always, any help is much appreciated.


PS: btw, I'm new to kickstart. How does one specify the 'interactive' mode?


John Madden wrote:
>> The Guest boots, anaconda kicks off and prompts for installation media.
>> However, no network protocol (http, ftp, nfs) may be used for the
>> installation on account of the fact that the installer cannot locate any
>> networking modules (xennet?).
>>
>> How do I retrofit the xen initrd available on the CentOS installation
>> media to include the appropriate network modules? I need to support
>> interactive, network based DomU installs.
> 
> It took me some time to get kickstarts working too, but here's what
> finally did it for me: 
> 
> kernel = "/boot/rhel5-amd64-ks-kernel.img"
> ramdisk = "/boot/rhel5-amd64-ks-initrd.img"
> extra = "selinux=0 ip=10.10.7.7 gateway=10.10.7.1 netmask=255.255.255.0
> dns=dns,servers ks=http://path/to/kickstartfile ksdevice=eth0"
> name = "hostnamehere"
> memory = "512"
> disk = [ 'tap:aio:/var/lib/xen/images/test2.img,hda,w', ]
> vif = [ 'bridge=xenbr0', ]
> vcpus=1
> on_reboot = 'destroy'
> on_crash = 'destroy'
> 
> Those kernel and initrd images come right out of the directories you're
> talking about (although RHEL for me, the CentOS images work the same).
> If you aren't hosting your ks over HTTP, I'm not sure how you'd do this
> exactly, but you could always do so and set it up with the "interactive"
> flag turned on, which should allow you to specify installation media. 
> 
> John
> 
> 
> 

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