----- Original Message -----
From: Barry Kolts <bhkolts@xxxxxxxxxxx>
To: XEN Mailing List <xen-users@xxxxxxxxxxxxxxxxxxx>
Cc:
Sent: Tuesday, October 11, 2011 5:02 PM
Subject: [Xen-users] Domu has no disks
Hello,
This is my first post to the list and I am new to Xen, so please excuse my
ignorance.
I have Xen 4.0 running on Debian Squeeze with Squeeze as dom0. I am trying to
install Ubuntu Lucid 10.04 as a guest. I am using the install cd iso. I think I
should be able to do this based on this quote from
http://wiki.xensource.com/xenwiki/XenOverview. From the 'Installing new
Paravirtual (PV) guests' section, 'Ubuntu 10.04 ("Lucid Lynx") installer can be
booted as a Xen PV guest and installed easily that way. '.
The problem is once the Ubuntu installer starts it cannot find the cdrom. Also
if I use the net-install method, the installer can't find the virtual disk to
install to. So my problem is not getting domu to boot but not having any disks
once it does.
My domu configuration file is based on the xmexample1 configuration that was
packaged with Xen. Rather than posting the whole file here are the changes I
made:
kernel = "/etc/xen/install_kernels/cd-installer/vmlinuz"
ramdisk = "/etc/xen/install_kernels/cd-installer/initrd.gz"
builder='linux'
memory = 512
name = "Lucid-server-install"
disk = [ 'file:/home/barry/iso/ubuntu-10.04.3-server-amd64.iso,xvdc:cdrom,r',
'tap:aio:/xen-vm-fs/lucid-vm-disk,xvda,w' ]
root = "/dev/cdrom ro"
The kernel and initrd.gz are copied of the cd iso. In the disk statement I have
tried hdc, hda, sda, sdc to no avail.
I have Googled, searched this list, the debian list, Ubuntu documentation and
the Xen.org documentation and not found the answer. Can anyone spot where I've
gone wrong? Please ask for more information or suggest how I can debug this
problem. One more piece of information, this machine does not have a
virtualization process so paravirtual is a must.
Thanks in advance for any help
Barry
---------------------
You want to use the CD ISO as source, but not as boot object.
What I did is mount the ISO in a webroot (/var/www/), copy off the netboot
vmlinuz and initrd.img and them as targets to
xm create (kernel/ramdisk).
Now you are booting into a PV install using xm.
THis works very well and is fast.
--
Mark
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