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Re: [Xen-users] Install ubunto domU

To: Boris Derzhavets <bderzhavets@xxxxxxxxx>, Xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Install ubunto domU
From: Jonathan Tripathy <jonnyt@xxxxxxxxxxx>
Date: Fri, 28 May 2010 10:46:52 +0100
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What do you mean by "Copy off the disk kernel and intrd to Dom0"

Also, what is pygrb compared to PV?

Sorry I'm very new to Xen

Thanks

On 28/05/10 10:11, Boris Derzhavets wrote:
Not via "pygrub". It is  pretty easy to install Lucid in PV DomU. Copy off the disk
kernel and intrd to Dom0, as granny taught.

Boris.

--- On Fri, 5/28/10, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> wrote:

From: Jonathan Tripathy <jonnyt@xxxxxxxxxxx>
Subject: Re: [Xen-users] Install ubunto domU
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Date: Friday, May 28, 2010, 5:02 AM

Is there no way to install Ubuntu 10.04 in the current release of Xen (What ever comes with the latest CentOS) ?

On 28/05/10 09:43, Boris Derzhavets wrote:
> if you want to use Ubuntu 10.04, you'd best use Fedora 13 or 12?
Yes.

http://www.linuxtoday.com/infrastructure/2010052502335OSSV

--- On Fri, 5/28/10, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> wrote:

From: Jonathan Tripathy <jonnyt@xxxxxxxxxxx>
Subject: Re: [Xen-users] Install ubunto domU
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>, Xen-users@xxxxxxxxxxxxxxxxxxx
Date: Friday, May 28, 2010, 4:25 AM

I'm very interested in this as well.

What is pygrub? Are you saying that for the time being, if you want to use Ubuntu 10.04, you'd best use Fedora 13 or 12?

Thanks

On 28/05/10 05:39, Boris Derzhavets wrote:
You can run Ubuntu Lucid PV guest at 3.4.2, but not via "pygrub"
Gitco.de/repo doesn't contain required 4.0 src.rpm . It's Gunter's policy i guess.
When he will make 4.0.1 he would probably provide it.
I would remove CentOS 5.4 as Dom0 base and build system on F13 (F12)
due to xen-4.0.0.-0.7.f12.src.rpm available at xensource.

wget http://pasik.reaktio.net/fedora/xen-4.0.0-0.7.fc12.src.rpm

Boris.
 

--- On Thu, 5/27/10, Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx> wrote:

From: Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Install ubunto domU
To: "xen-users" <xen-users@xxxxxxxxxxxxxxxxxxx>
Date: Thursday, May 27, 2010, 3:21 PM

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 need 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      = "lucid"
>
> memory    = 1024
>
> disk      = ['phy:/dev/vg1/domu.ubunto.lucid,xvda,w' ]
>
> vif       = [ 'bridge=eth0' ]
>
> kernel    = "/mnt/dom0/data/domu.setup/ubunto/lucid/vmlinuz"
>
> ramdisk   = "/mnt/dom0/data/domu.setup/ubunto/lucid/initrd.gz"
>
> vcpus     = 1
>
>
>
> on_crash  = 'destroy'
>
>
>
> 6 - xm create -c lucid.xen
>
> ... installation goes just fine ...
>
> 7 - cat test.xen
>
> name        = "test"
>
> memory      = 512
>
> maxmem      = 1024
>
> bootloader  = '/usr/bin/pygrub'
>
> disk        = ['phy:/dev/vg1/domu.spyder.root,xvda,w' ]
>
> vif         = [ 'bridge=eth0' ]
>
> vcpus       = 1
>
>
>
> on_reboot   = 'restart'
>
> on_crash    = '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--  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    101K/s   in 27s    
>
> 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--  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    200K/s   in 60s    
>
> 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
>
>
>
>
>
>
>
> # 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.
>
>
>
>
>
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