Re: [Xen-users] Install ubunto domU

[Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx>]

 I read this and I gather I need to be running Xen 4.0 in order to run Ubuntu 
10.04 as a pv domu... is that correct? I am currently at 3.4.2 on a centos 5.4 
dom0 but need to run some ubuntu domu's very badly. Please advise!


--

Donny B.

On Monday, May 17, 2010 10:39 PM CDT, Boris Derzhavets <bderzhavets@xxxxxxxxx> 
wrote:

> > I tried to follow your steps (installing Lucid x86_64 PV domU on a
> CentOS 54 x86_64 dom0, running xen 3.4.2 from gitco) ... but was not
> successful. Something is still escaping me.
>
> Yes , you missing David's patch. Personally , i could back port it only to 
> Xen 4.0,
> even Xen 3.4.3 was not enough. Some other CSs from 4.0 are required for 
> consistency and you don't know which ones.
>
> You are at 3.4.2 !
>
> I believe gitco did Xen 4.0 rpms. Gitgo's 4.0 src.rpm has to patched per 
> David and rpms rebuilt. That 's in case you want "pygrub" to be bootloader 
> for DomU . It's comfortable, but not required.
>
> Boris.
>
> --- On Mon, 5/17/10, David Markey <admin@xxxxxxxxxxx> wrote:
>
> From: David Markey <admin@xxxxxxxxxxx>
> Subject: Re: [Xen-users] Install ubunto domU
> To: "Nuno L. Ferreira" <nunolf@xxxxxxxxx>
> Cc: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>, "xen-users" 
> <xen-users@xxxxxxxxxxxxxxxxxxx>
> Date: Monday, May 17, 2010, 6:54 PM
>
> You needÂ
> http://lists.xensource.com/archives/html/xen-devel/2010-04/msg00748.html
>
>
> On 17 May 2010 23:24, Nuno L. Ferreira <nunolf@xxxxxxxxx> wrote:
>
> Dear *, Boris
>
>
>
> I tried to follow your steps (installing Lucid x86_64 PV domU on a CentOS 54 
> x86_64 dom0, running xen 3.4.2 from gitco) ... but was not successful. 
> Something is still escaping me.
>
> Installation went just fine till the end after a "xm create -c lucid.xen" 
> (see below).
>
> After installation (without any modifications to what was installed) I edited 
> the xen config file (test.xen, see below) to boot with pygrub instead. But I 
> get the following error:
>
> Error: Boot loader didn't return any data!
>
>
>
> I checked that the new domU does not have /usr/bin/pygrub, and this explains 
> the error.
>
> So Boris, how did you boot your ubunto based domU after a netboot 
> installation?
>
> I did not tried yet the debootstrap method also suggested ... first I want to 
> know what I'm doing wrong here.
>
>
>
> I'm a bit lost on setting up an ubunto domU, first time getting outside 
> RedHat like OSes. So if there are some good working links to blogs/tutorials 
> on how to install ubunto domU's on RedHat like dom0's I'll appreciate.
>
>
>
>
> Cheers,
>
> N.
>
>
>
> P.S. Steps taken :
>
>
>
> 1 - lvcreate -n domu.ubunto.lucid -L 4G vg1
>
> 2 - mkfs.ext3 /dev/vg1/domu.ubunto.lucid
>
> 3 - wget 
> http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/vmlinuz
>
>
> 4 - wget 
> http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/initrd.gz
>
>
> 5 - cat lucid.xen
>
> name   Â= "lucid"
>
> memory  Â= 1024
>
> disk   Â= ['phy:/dev/vg1/domu.ubunto.lucid,xvda,w' ]
>
> vif    = [ 'bridge=eth0' ]
>
> kernel  Â= "/mnt/dom0/data/domu.setup/ubunto/lucid/vmlinuz"
>
> ramdisk  = "/mnt/dom0/data/domu.setup/ubunto/lucid/initrd.gz"
>
> vcpus   = 1
>
> on_reboot = 'destroy'
>
> on_crash Â= 'destroy'
>
>
>
> 6 - xm create -c lucid.xen
>
> ... installation goes just fine ...
>
> 7 - cat test.xen
>
> name    Â= "test"
>
> memory   Â= 512
>
> maxmem   Â= 1024
>
> bootloader Â= '/usr/bin/pygrub'
>
> disk    Â= ['phy:/dev/vg1/domu.spyder.root,xvda,w' ]
>
> vif     = [ 'bridge=eth0' ]
>
> vcpus    = 1
>
> on_poweroff = 'destroy'
>
> on_reboot  = 'restart'
>
> on_crash  Â= 'restart'
>
>
>
> 8 - xm create -c test.xen
>
> Using config file "./test.xen".
>
> Error: Boot loader didn't return any data!
>
>
>
>
>
>
>
>
>
> Boris Derzhavets wrote:
>
>
> I was able to start installer :
>
>
>
> root@ServerLnx:/home/boris/ubuntu# wget 
> http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/vmlinuz
>
>
> --2010-05-13 12:36:14-- Â
> http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/vmlinuz
>
>
> Resolving archive.ubuntu.com... 91.189.92.167, 91.189.88.30, 91.189.88.31, ...
>
> Connecting to archive.ubuntu.com|91.189.92.167|:80... connected.
>
> HTTP request sent, awaiting response... 200 OK
>
> Length: 4037888 (3.9M) [text/plain]
>
> Saving to: `vmlinuz'
>
>
>
> 100%[========================================================================>]
>  4,037,888  Â101K/s  in 27s  Â
>
> 2010-05-13 12:36:41 (144 KB/s) - `vmlinuz' saved [4037888/4037888]
>
>
>
> root@ServerLnx:/home/boris/ubuntu# wget 
> http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/initrd.gz
>
>
> --2010-05-13 12:37:02-- Â
> http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/initrd.gz
>
>
> Resolving archive.ubuntu.com... 91.189.92.166, 91.189.92.167, 91.189.88.30, 
> ...
>
> Connecting to archive.ubuntu.com|91.189.92.166|:80... connected.
>
> HTTP request sent, awaiting response... 200 OK
>
> Length: 9678415 (9.2M) [application/x-gzip]
>
> Saving to: `initrd.gz'
>
>
>
> 100%[========================================================================>]
>  9,678,415  Â200K/s  in 60s  Â
>
> 2010-05-13 12:38:03 (156 KB/s) - `initrd.gz' saved [9678415/9678415]
>
>
>
> root@ServerLnx:/home/boris/ubuntu# cat ubuntu.cfg
>
> name="U10PV"
>
> memory=2048
>
> disk = ['phy:/dev/sdb5,xvda,w' ]
>
> vif = [ 'bridge=eth0' ]
>
> # vfb = [ 'type=vnc,vncunused=1']
>
> kernel = "/home/boris/ubuntu/vmlinuz"
>
> ramdisk = "/home/boris/ubuntu/initrd.gz"
>
> vcpus=2
>
> on_reboot = 'restart'
>
> on_crash = 'restart'
>
>
>
> # xm create -c ubuntu.cfg
>
>
>
> and see several obvious disadvantages (vs HVM convertion) :
>
>
>
> 1. VFB doesn't work
>
> 2. After selecting local mirror "Installing base system" is already running 
> for 15 min
>
> at 2MB/sec ADSL connection.
>
>
>
> Boris.
>
>
>
>
>
> -----Inline Attachment Follows-----
>
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