[CentOS-virt] CentOS 6 VM image for paravirtualizaton on CentOS Xen server

Sarah Newman srn at prgmr.com
Mon Mar 16 02:52:42 UTC 2015


On 03/15/2015 07:39 PM, Nico Kadel-Garcia wrote:
> On Sun, Mar 15, 2015 at 8:26 PM, Sarah Newman <srn at prgmr.com> wrote:
>> On 03/15/2015 03:25 PM, Nico Kadel-Garcia wrote:
>>> So I'm right back to my effectively unanswered original questions. So
>>> please: I asked a very specific pair of questions, and they remain
>>> unanswered. CentOS 5 Xen server (hypervisor, or Dom0, whatever we want
>>> to call it this week): Does CentOS 6 work, paravirtualized, on such a
>>> server? And given my deployment issues, does anyone have a base OS
>>> image I can get a copy of?
>>
>> I'm not sure why you need tftp to do a net install assuming you control the guest configuration.
>>
>> How about
>>
>> kernel = file from https://mirrors.kernel.org/centos/6/os/i386/images/pxeboot/vmlinuz
>> ramdisk = file from https://mirrors.kernel.org/centos/6/os/i386/images/pxeboot/initrd.img
>> extra = "console=hvc0"
>> memory = 512 or larger
>>
>> --Sarah
> 
> I'll be happy to try this. Thank you for the pointer. Are you
> confident that 'console=hvc0' is the right installation time message
> for this? And will I be able to access a CD or DVD image for actual OS
> installation with these options?

It is net install IE you download packages over the network. No CD/DVD.

console=hvc0 is the xen part, otherwise look at the standard installation instructions for centos 6.

> 
> I'd really prefer to work from 'virsh' than from hand-writing xl
> configuration files.When I last did this sort of thing, I worked from
> a PXE environment that I controlled and could reserve DHCP settings
> based on MAC addresses, and tune PXE to boot from disk by default but
> allow users to select a clean re-install of the operating system they
> wanted.

virt-install with --location maybe? Never tried it but it looks like what you want.

http://linux.die.net/man/1/virt-install





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