CloudLinux a Xen domU domain?

[cheshireweb]

Im interested in trying CloudLinux in a Xen domU domain.

Do I need to start from scratch provisioning the guest with your .ISO or is there an easier way to get this up and running?

Thanks for any advice,
James

[iseletsk]

CL provides para-virtualized kernel.
The easiest way to go, as long as you have CentOS 5.x image is to take that image, and run centos2cl script from here:

http://www.cloudlinux.com/downloads/

[cheshireweb]

Thanks for the fast reply.

I just tried the centos2cl scipt on a clean install of CentOS 5.4 and it didn change the Xen DomU to the CloudLinux kernel. I still have the original one.

[root@cloudli01 ~]# uname -r

2.6.18-164.6.1.el5xen

This is the Xen configuration file used for creating the CentOS domain Im using:

#vm name, used only by xen

name    = cloudli01

#num of virtual cpus

vcpus = 2;

#memory given to host

memory  = 512;

#memory size allowed to live-resize to using xm mem-set

maxmem  = 1024;

#location of pvgrub file

kernel = "/usr/lib/xen/boot/pv-grub-x86_64.gz"

#location of grub config within domU

extra = "(hd0)/boot/grub/grub.conf"

#mapping of physical disks in dom0 to virtual disks in domU

disk = [ phy:/dev/raid10/vm_cloudli01-root,xvda1,w,\

phy:/dev/raid10/vm_cloudli01-swap,xvda2,w ];

# virtual network

vif = [ ridge=eth0, vifname=cloudli01.0, mac=A0:00:00:00:00:21,\

ridge=brg1, vifname=cloudli01.1, mac=B0:00:00:00:00:21];

Could I be missing something on the Dom0 or DomU servers configurations for this to work?

Thanks,
James

[iseletsk]

Strange. I will check why it is so, it should have updated.

Anyway, try doing following:
# yum install kernel-xen
(on the server where you executed centos2cl)
reboot afterward.

[cheshireweb]

Thanks for following up on this.

I tried and got this:

[root@cloudli01 ~]# yum install kernel-xen

Loaded plugins: fastestmirror

Loading mirror speeds from cached hostfile

Setting up Install Process

Package kernel-xen-2.6.18-264.11.1.el5.17.cloudlinux.x86_64 already installed and latest version

Nothing to do

[lkanter]

> James Baldwin wrote:
> Thanks for following up on this.
>
> I tried and got this:
>
>

[root@cloudli01 ~]# yum install kernel-xen
>
> Loaded plugins: fastestmirror
>
> Loading mirror speeds from cached hostfile
>
> Setting up Install Process
>
> Package kernel-xen-2.6.18-264.11.1.el5.17.cloudlinux.x86_64 already installed and latest version
>
> Nothing to do
>
>

James, can you please show contents of /boot/grub/grub.conf?

[cheshireweb]

I think I got this working. I checked the to see what the grub.conf file looked like after running centos2cl.

vi /boot/grub/grub.conf

default=1

timeout=5

title CloudLinux Server (2.6.18-264.11.1.el5.17.cloudlinuxxen)

root (hd0)

kernel /boot/vmlinuz-2.6.18-264.11.1.el5.17.cloudlinuxxen console=xvc0 root=/dev/xvda1 ro

initrd /boot/initrd-2.6.18-264.11.1.el5.17.cloudlinuxxen.img

title vmlinuz-2.6.18-164.6.1.el5xen

root (hd0)

kernel /boot/vmlinuz-2.6.18-164.6.1.el5xen console=xvc0 root=/dev/xvda1 ro

initrd /boot/initrd-2.6.18-164.6.1.el5xen.img

I changed the default option to:

default=0

Then after a reboot I could see the CloudLinux kernel.

[root@cloudli01 ~]# uname -r

2.6.18-264.11.1.el5.17.cloudlinuxxen

Thanks,
James